diff --git a/docs/source/notebooks/1. Getting Started with Data Sources.ipynb b/docs/source/notebooks/1. Getting Started with Data Sources.ipynb
index a8445f6..2fe8fb6 100644
--- a/docs/source/notebooks/1. Getting Started with Data Sources.ipynb	
+++ b/docs/source/notebooks/1. Getting Started with Data Sources.ipynb	
@@ -29,15 +29,220 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Loading bar data...\n",
-      "[*********************100%***********************]  2 of 2 completed\n",
-      "Loaded bar data: 0:00:03 \n"
+      "Loading bar data...\n"
+     ]
+    },
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "\r",
+      "[                       0%%                      ]\r",
+      "[*********************100%%**********************]  2 of 2 completed"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Loaded bar data: 0:00:01 \n",
+      "\n"
+     ]
+    },
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "\n"
      ]
     },
     {
      "data": {
-      "text/plain": "          date symbol        open        high         low       close  \\\n0   2021-03-01   AAPL  123.750000  127.930000  122.790001  127.790001   \n1   2021-03-01   MSFT  235.899994  237.470001  233.149994  236.940002   \n2   2021-03-02   AAPL  128.410004  128.720001  125.010002  125.120003   \n3   2021-03-02   MSFT  237.009995  237.300003  233.449997  233.869995   \n4   2021-03-03   AAPL  124.809998  125.709999  121.839996  122.059998   \n..         ...    ...         ...         ...         ...         ...   \n501 2022-02-24   MSFT  272.510010  295.160004  271.519989  294.589996   \n502 2022-02-25   AAPL  163.839996  165.119995  160.869995  164.850006   \n503 2022-02-25   MSFT  295.140015  297.630005  291.649994  297.309998   \n504 2022-02-28   AAPL  163.059998  165.419998  162.429993  165.119995   \n505 2022-02-28   MSFT  294.309998  299.140015  293.000000  298.790009   \n\n        volume   adj_close  \n0    116307900  125.925606  \n1     25324000  232.234665  \n2    102260900  123.294548  \n3     22812500  229.225632  \n4    112966300  120.279190  \n..         ...         ...  \n501   56989700  291.091705  \n502   91974200  163.410416  \n503   32546700  293.779419  \n504   95056600  163.678055  \n505   34627500  295.241821  \n\n[506 rows x 8 columns]",
-      "text/html": "<div>\n<style scoped>\n    .dataframe tbody tr th:only-of-type {\n        vertical-align: middle;\n    }\n\n    .dataframe tbody tr th {\n        vertical-align: top;\n    }\n\n    .dataframe thead th {\n        text-align: right;\n    }\n</style>\n<table border=\"1\" class=\"dataframe\">\n  <thead>\n    <tr style=\"text-align: right;\">\n      <th></th>\n      <th>date</th>\n      <th>symbol</th>\n      <th>open</th>\n      <th>high</th>\n      <th>low</th>\n      <th>close</th>\n      <th>volume</th>\n      <th>adj_close</th>\n    </tr>\n  </thead>\n  <tbody>\n    <tr>\n      <th>0</th>\n      <td>2021-03-01</td>\n      <td>AAPL</td>\n      <td>123.750000</td>\n      <td>127.930000</td>\n      <td>122.790001</td>\n      <td>127.790001</td>\n      <td>116307900</td>\n      <td>125.925606</td>\n    </tr>\n    <tr>\n      <th>1</th>\n      <td>2021-03-01</td>\n      <td>MSFT</td>\n      <td>235.899994</td>\n      <td>237.470001</td>\n      <td>233.149994</td>\n      <td>236.940002</td>\n      <td>25324000</td>\n      <td>232.234665</td>\n    </tr>\n    <tr>\n      <th>2</th>\n      <td>2021-03-02</td>\n      <td>AAPL</td>\n      <td>128.410004</td>\n      <td>128.720001</td>\n      <td>125.010002</td>\n      <td>125.120003</td>\n      <td>102260900</td>\n      <td>123.294548</td>\n    </tr>\n    <tr>\n      <th>3</th>\n      <td>2021-03-02</td>\n      <td>MSFT</td>\n      <td>237.009995</td>\n      <td>237.300003</td>\n      <td>233.449997</td>\n      <td>233.869995</td>\n      <td>22812500</td>\n      <td>229.225632</td>\n    </tr>\n    <tr>\n      <th>4</th>\n      <td>2021-03-03</td>\n      <td>AAPL</td>\n      <td>124.809998</td>\n      <td>125.709999</td>\n      <td>121.839996</td>\n      <td>122.059998</td>\n      <td>112966300</td>\n      <td>120.279190</td>\n    </tr>\n    <tr>\n      <th>...</th>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n    </tr>\n    <tr>\n      <th>501</th>\n      <td>2022-02-24</td>\n      <td>MSFT</td>\n      <td>272.510010</td>\n      <td>295.160004</td>\n      <td>271.519989</td>\n      <td>294.589996</td>\n      <td>56989700</td>\n      <td>291.091705</td>\n    </tr>\n    <tr>\n      <th>502</th>\n      <td>2022-02-25</td>\n      <td>AAPL</td>\n      <td>163.839996</td>\n      <td>165.119995</td>\n      <td>160.869995</td>\n      <td>164.850006</td>\n      <td>91974200</td>\n      <td>163.410416</td>\n    </tr>\n    <tr>\n      <th>503</th>\n      <td>2022-02-25</td>\n      <td>MSFT</td>\n      <td>295.140015</td>\n      <td>297.630005</td>\n      <td>291.649994</td>\n      <td>297.309998</td>\n      <td>32546700</td>\n      <td>293.779419</td>\n    </tr>\n    <tr>\n      <th>504</th>\n      <td>2022-02-28</td>\n      <td>AAPL</td>\n      <td>163.059998</td>\n      <td>165.419998</td>\n      <td>162.429993</td>\n      <td>165.119995</td>\n      <td>95056600</td>\n      <td>163.678055</td>\n    </tr>\n    <tr>\n      <th>505</th>\n      <td>2022-02-28</td>\n      <td>MSFT</td>\n      <td>294.309998</td>\n      <td>299.140015</td>\n      <td>293.000000</td>\n      <td>298.790009</td>\n      <td>34627500</td>\n      <td>295.241821</td>\n    </tr>\n  </tbody>\n</table>\n<p>506 rows × 8 columns</p>\n</div>"
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+       "      <th></th>\n",
+       "      <th>date</th>\n",
+       "      <th>symbol</th>\n",
+       "      <th>open</th>\n",
+       "      <th>high</th>\n",
+       "      <th>low</th>\n",
+       "      <th>close</th>\n",
+       "      <th>volume</th>\n",
+       "      <th>adj_close</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>2021-03-01</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>123.750000</td>\n",
+       "      <td>127.930000</td>\n",
+       "      <td>122.790001</td>\n",
+       "      <td>127.790001</td>\n",
+       "      <td>116307900</td>\n",
+       "      <td>125.599648</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>2021-03-01</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>235.899994</td>\n",
+       "      <td>237.470001</td>\n",
+       "      <td>233.149994</td>\n",
+       "      <td>236.940002</td>\n",
+       "      <td>25324000</td>\n",
+       "      <td>230.847687</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>2021-03-02</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>128.410004</td>\n",
+       "      <td>128.720001</td>\n",
+       "      <td>125.010002</td>\n",
+       "      <td>125.120003</td>\n",
+       "      <td>102260900</td>\n",
+       "      <td>122.975418</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>2021-03-02</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>237.009995</td>\n",
+       "      <td>237.300003</td>\n",
+       "      <td>233.449997</td>\n",
+       "      <td>233.869995</td>\n",
+       "      <td>22812500</td>\n",
+       "      <td>227.856644</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>2021-03-03</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>124.809998</td>\n",
+       "      <td>125.709999</td>\n",
+       "      <td>121.839996</td>\n",
+       "      <td>122.059998</td>\n",
+       "      <td>112966300</td>\n",
+       "      <td>119.967857</td>\n",
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+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>501</th>\n",
+       "      <td>2022-02-24</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>272.510010</td>\n",
+       "      <td>295.160004</td>\n",
+       "      <td>271.519989</td>\n",
+       "      <td>294.589996</td>\n",
+       "      <td>56989700</td>\n",
+       "      <td>289.353210</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>502</th>\n",
+       "      <td>2022-02-25</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>163.839996</td>\n",
+       "      <td>165.119995</td>\n",
+       "      <td>160.869995</td>\n",
+       "      <td>164.850006</td>\n",
+       "      <td>91974200</td>\n",
+       "      <td>162.987427</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>503</th>\n",
+       "      <td>2022-02-25</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>295.140015</td>\n",
+       "      <td>297.630005</td>\n",
+       "      <td>291.649994</td>\n",
+       "      <td>297.309998</td>\n",
+       "      <td>32546700</td>\n",
+       "      <td>292.024902</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>504</th>\n",
+       "      <td>2022-02-28</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>163.059998</td>\n",
+       "      <td>165.419998</td>\n",
+       "      <td>162.429993</td>\n",
+       "      <td>165.119995</td>\n",
+       "      <td>95056600</td>\n",
+       "      <td>163.254364</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>505</th>\n",
+       "      <td>2022-02-28</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>294.309998</td>\n",
+       "      <td>299.140015</td>\n",
+       "      <td>293.000000</td>\n",
+       "      <td>298.790009</td>\n",
+       "      <td>34627500</td>\n",
+       "      <td>293.478577</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>506 rows × 8 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "          date symbol        open        high         low       close  \\\n",
+       "0   2021-03-01   AAPL  123.750000  127.930000  122.790001  127.790001   \n",
+       "1   2021-03-01   MSFT  235.899994  237.470001  233.149994  236.940002   \n",
+       "2   2021-03-02   AAPL  128.410004  128.720001  125.010002  125.120003   \n",
+       "3   2021-03-02   MSFT  237.009995  237.300003  233.449997  233.869995   \n",
+       "4   2021-03-03   AAPL  124.809998  125.709999  121.839996  122.059998   \n",
+       "..         ...    ...         ...         ...         ...         ...   \n",
+       "501 2022-02-24   MSFT  272.510010  295.160004  271.519989  294.589996   \n",
+       "502 2022-02-25   AAPL  163.839996  165.119995  160.869995  164.850006   \n",
+       "503 2022-02-25   MSFT  295.140015  297.630005  291.649994  297.309998   \n",
+       "504 2022-02-28   AAPL  163.059998  165.419998  162.429993  165.119995   \n",
+       "505 2022-02-28   MSFT  294.309998  299.140015  293.000000  298.790009   \n",
+       "\n",
+       "        volume   adj_close  \n",
+       "0    116307900  125.599648  \n",
+       "1     25324000  230.847687  \n",
+       "2    102260900  122.975418  \n",
+       "3     22812500  227.856644  \n",
+       "4    112966300  119.967857  \n",
+       "..         ...         ...  \n",
+       "501   56989700  289.353210  \n",
+       "502   91974200  162.987427  \n",
+       "503   32546700  292.024902  \n",
+       "504   95056600  163.254364  \n",
+       "505   34627500  293.478577  \n",
+       "\n",
+       "[506 rows x 8 columns]"
+      ]
      },
      "execution_count": 1,
      "metadata": {},
@@ -77,7 +282,9 @@
    "outputs": [
     {
      "data": {
-      "text/plain": "<diskcache.core.Cache at 0x20b5f400310>"
+      "text/plain": [
+       "<diskcache.core.Cache at 0x7fd297953fa0>"
+      ]
      },
      "execution_count": 2,
      "metadata": {},
@@ -113,15 +320,218 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Loading bar data...\n",
-      "[*********************100%***********************]  2 of 2 completed\n",
-      "Loaded bar data: 0:00:01 \n"
+      "Loading bar data...\n"
+     ]
+    },
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "[*********************100%%**********************]  2 of 2 completed"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Loaded bar data: 0:00:00 \n",
+      "\n"
+     ]
+    },
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "\n"
      ]
     },
     {
      "data": {
-      "text/plain": "          date symbol        open        high         low       close  \\\n0   2021-03-01    IBM  115.057358  116.940727  114.588913  115.430206   \n1   2021-03-01   TSLA  230.036667  239.666672  228.350006  239.476669   \n2   2021-03-02    IBM  115.430206  116.539200  114.971321  115.038239   \n3   2021-03-02   TSLA  239.426666  240.369995  228.333328  228.813339   \n4   2021-03-03    IBM  115.200768  117.237091  114.703636  116.978966   \n..         ...    ...         ...         ...         ...         ...   \n501 2022-02-24   TSLA  233.463333  267.493347  233.333328  266.923340   \n502 2022-02-25    IBM  122.050003  124.260002  121.449997  124.180000   \n503 2022-02-25   TSLA  269.743347  273.166656  260.799988  269.956665   \n504 2022-02-28    IBM  122.209999  123.389999  121.040001  122.510002   \n505 2022-02-28   TSLA  271.670013  292.286682  271.570007  290.143341   \n\n        volume   adj_close  \n0      5977367  102.232941  \n1     81408600  239.476669  \n2      4732418  101.885780  \n3     71196600  228.813339  \n4      7744898  103.604614  \n..         ...         ...  \n501  135322200  266.923340  \n502    4460900  115.365776  \n503   76067700  269.956665  \n504    6757300  113.814316  \n505   99006900  290.143341  \n\n[506 rows x 8 columns]",
-      "text/html": "<div>\n<style scoped>\n    .dataframe tbody tr th:only-of-type {\n        vertical-align: middle;\n    }\n\n    .dataframe tbody tr th {\n        vertical-align: top;\n    }\n\n    .dataframe thead th {\n        text-align: right;\n    }\n</style>\n<table border=\"1\" class=\"dataframe\">\n  <thead>\n    <tr style=\"text-align: right;\">\n      <th></th>\n      <th>date</th>\n      <th>symbol</th>\n      <th>open</th>\n      <th>high</th>\n      <th>low</th>\n      <th>close</th>\n      <th>volume</th>\n      <th>adj_close</th>\n    </tr>\n  </thead>\n  <tbody>\n    <tr>\n      <th>0</th>\n      <td>2021-03-01</td>\n      <td>IBM</td>\n      <td>115.057358</td>\n      <td>116.940727</td>\n      <td>114.588913</td>\n      <td>115.430206</td>\n      <td>5977367</td>\n      <td>102.232941</td>\n    </tr>\n    <tr>\n      <th>1</th>\n      <td>2021-03-01</td>\n      <td>TSLA</td>\n      <td>230.036667</td>\n      <td>239.666672</td>\n      <td>228.350006</td>\n      <td>239.476669</td>\n      <td>81408600</td>\n      <td>239.476669</td>\n    </tr>\n    <tr>\n      <th>2</th>\n      <td>2021-03-02</td>\n      <td>IBM</td>\n      <td>115.430206</td>\n      <td>116.539200</td>\n      <td>114.971321</td>\n      <td>115.038239</td>\n      <td>4732418</td>\n      <td>101.885780</td>\n    </tr>\n    <tr>\n      <th>3</th>\n      <td>2021-03-02</td>\n      <td>TSLA</td>\n      <td>239.426666</td>\n      <td>240.369995</td>\n      <td>228.333328</td>\n      <td>228.813339</td>\n      <td>71196600</td>\n      <td>228.813339</td>\n    </tr>\n    <tr>\n      <th>4</th>\n      <td>2021-03-03</td>\n      <td>IBM</td>\n      <td>115.200768</td>\n      <td>117.237091</td>\n      <td>114.703636</td>\n      <td>116.978966</td>\n      <td>7744898</td>\n      <td>103.604614</td>\n    </tr>\n    <tr>\n      <th>...</th>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n    </tr>\n    <tr>\n      <th>501</th>\n      <td>2022-02-24</td>\n      <td>TSLA</td>\n      <td>233.463333</td>\n      <td>267.493347</td>\n      <td>233.333328</td>\n      <td>266.923340</td>\n      <td>135322200</td>\n      <td>266.923340</td>\n    </tr>\n    <tr>\n      <th>502</th>\n      <td>2022-02-25</td>\n      <td>IBM</td>\n      <td>122.050003</td>\n      <td>124.260002</td>\n      <td>121.449997</td>\n      <td>124.180000</td>\n      <td>4460900</td>\n      <td>115.365776</td>\n    </tr>\n    <tr>\n      <th>503</th>\n      <td>2022-02-25</td>\n      <td>TSLA</td>\n      <td>269.743347</td>\n      <td>273.166656</td>\n      <td>260.799988</td>\n      <td>269.956665</td>\n      <td>76067700</td>\n      <td>269.956665</td>\n    </tr>\n    <tr>\n      <th>504</th>\n      <td>2022-02-28</td>\n      <td>IBM</td>\n      <td>122.209999</td>\n      <td>123.389999</td>\n      <td>121.040001</td>\n      <td>122.510002</td>\n      <td>6757300</td>\n      <td>113.814316</td>\n    </tr>\n    <tr>\n      <th>505</th>\n      <td>2022-02-28</td>\n      <td>TSLA</td>\n      <td>271.670013</td>\n      <td>292.286682</td>\n      <td>271.570007</td>\n      <td>290.143341</td>\n      <td>99006900</td>\n      <td>290.143341</td>\n    </tr>\n  </tbody>\n</table>\n<p>506 rows × 8 columns</p>\n</div>"
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+       "      <th>2</th>\n",
+       "      <td>2021-03-02</td>\n",
+       "      <td>IBM</td>\n",
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+       "      <th>3</th>\n",
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+       "      <td>228.333328</td>\n",
+       "      <td>228.813339</td>\n",
+       "      <td>71196600</td>\n",
+       "      <td>228.813339</td>\n",
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+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>2021-03-03</td>\n",
+       "      <td>IBM</td>\n",
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+       "      <th>501</th>\n",
+       "      <td>2022-02-24</td>\n",
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+       "      <td>233.463333</td>\n",
+       "      <td>267.493347</td>\n",
+       "      <td>233.333328</td>\n",
+       "      <td>266.923340</td>\n",
+       "      <td>135322200</td>\n",
+       "      <td>266.923340</td>\n",
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+       "    <tr>\n",
+       "      <th>502</th>\n",
+       "      <td>2022-02-25</td>\n",
+       "      <td>IBM</td>\n",
+       "      <td>122.050003</td>\n",
+       "      <td>124.260002</td>\n",
+       "      <td>121.449997</td>\n",
+       "      <td>124.180000</td>\n",
+       "      <td>4460900</td>\n",
+       "      <td>113.041489</td>\n",
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+       "      <th>503</th>\n",
+       "      <td>2022-02-25</td>\n",
+       "      <td>TSLA</td>\n",
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+       "      <td>273.166656</td>\n",
+       "      <td>260.799988</td>\n",
+       "      <td>269.956665</td>\n",
+       "      <td>76067700</td>\n",
+       "      <td>269.956665</td>\n",
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+       "    <tr>\n",
+       "      <th>504</th>\n",
+       "      <td>2022-02-28</td>\n",
+       "      <td>IBM</td>\n",
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+       "      <td>123.389999</td>\n",
+       "      <td>121.040001</td>\n",
+       "      <td>122.510002</td>\n",
+       "      <td>6757300</td>\n",
+       "      <td>111.521286</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>505</th>\n",
+       "      <td>2022-02-28</td>\n",
+       "      <td>TSLA</td>\n",
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+       "      <td>292.286682</td>\n",
+       "      <td>271.570007</td>\n",
+       "      <td>290.143341</td>\n",
+       "      <td>99006900</td>\n",
+       "      <td>290.143341</td>\n",
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+       "<p>506 rows × 8 columns</p>\n",
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+      ],
+      "text/plain": [
+       "          date symbol        open        high         low       close  \\\n",
+       "0   2021-03-01    IBM  115.057358  116.940727  114.588913  115.430206   \n",
+       "1   2021-03-01   TSLA  230.036667  239.666672  228.350006  239.476669   \n",
+       "2   2021-03-02    IBM  115.430206  116.539200  114.971321  115.038239   \n",
+       "3   2021-03-02   TSLA  239.426666  240.369995  228.333328  228.813339   \n",
+       "4   2021-03-03    IBM  115.200768  117.237091  114.703636  116.978966   \n",
+       "..         ...    ...         ...         ...         ...         ...   \n",
+       "501 2022-02-24   TSLA  233.463333  267.493347  233.333328  266.923340   \n",
+       "502 2022-02-25    IBM  122.050003  124.260002  121.449997  124.180000   \n",
+       "503 2022-02-25   TSLA  269.743347  273.166656  260.799988  269.956665   \n",
+       "504 2022-02-28    IBM  122.209999  123.389999  121.040001  122.510002   \n",
+       "505 2022-02-28   TSLA  271.670013  292.286682  271.570007  290.143341   \n",
+       "\n",
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+       "0      5977367  100.173233  \n",
+       "1     81408600  239.476669  \n",
+       "2      4732418   99.833076  \n",
+       "3     71196600  228.813339  \n",
+       "4      7744898  101.517296  \n",
+       "..         ...         ...  \n",
+       "501  135322200  266.923340  \n",
+       "502    4460900  113.041489  \n",
+       "503   76067700  269.956665  \n",
+       "504    6757300  111.521286  \n",
+       "505   99006900  290.143341  \n",
+       "\n",
+       "[506 rows x 8 columns]"
+      ]
      },
      "execution_count": 3,
      "metadata": {},
@@ -155,13 +565,197 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Loaded cached bar data.\n"
+      "Loaded cached bar data.\n",
+      "\n"
      ]
     },
     {
      "data": {
-      "text/plain": "          date symbol        open        high         low       close  \\\n0   2021-03-01    IBM  115.057358  116.940727  114.588913  115.430206   \n1   2021-03-02    IBM  115.430206  116.539200  114.971321  115.038239   \n2   2021-03-03    IBM  115.200768  117.237091  114.703636  116.978966   \n3   2021-03-04    IBM  116.634796  117.801147  113.537285  114.827919   \n4   2021-03-05    IBM  115.334610  118.307838  114.961761  117.428299   \n..         ...    ...         ...         ...         ...         ...   \n248 2022-02-22   TSLA  278.043335  285.576660  267.033325  273.843323   \n249 2022-02-23   TSLA  276.809998  278.433319  253.520004  254.679993   \n250 2022-02-24   TSLA  233.463333  267.493347  233.333328  266.923340   \n251 2022-02-25   TSLA  269.743347  273.166656  260.799988  269.956665   \n252 2022-02-28   TSLA  271.670013  292.286682  271.570007  290.143341   \n\n        volume   adj_close  \n0      5977367  102.232941  \n1      4732418  101.885780  \n2      7744898  103.604614  \n3      8439651  101.699509  \n4      7268968  104.002579  \n..         ...         ...  \n248   83288100  273.843323  \n249   95256900  254.679993  \n250  135322200  266.923340  \n251   76067700  269.956665  \n252   99006900  290.143341  \n\n[506 rows x 8 columns]",
-      "text/html": "<div>\n<style scoped>\n    .dataframe tbody tr th:only-of-type {\n        vertical-align: middle;\n    }\n\n    .dataframe tbody tr th {\n        vertical-align: top;\n    }\n\n    .dataframe thead th {\n        text-align: right;\n    }\n</style>\n<table border=\"1\" class=\"dataframe\">\n  <thead>\n    <tr style=\"text-align: right;\">\n      <th></th>\n      <th>date</th>\n      <th>symbol</th>\n      <th>open</th>\n      <th>high</th>\n      <th>low</th>\n      <th>close</th>\n      <th>volume</th>\n      <th>adj_close</th>\n    </tr>\n  </thead>\n  <tbody>\n    <tr>\n      <th>0</th>\n      <td>2021-03-01</td>\n      <td>IBM</td>\n      <td>115.057358</td>\n      <td>116.940727</td>\n      <td>114.588913</td>\n      <td>115.430206</td>\n      <td>5977367</td>\n      <td>102.232941</td>\n    </tr>\n    <tr>\n      <th>1</th>\n      <td>2021-03-02</td>\n      <td>IBM</td>\n      <td>115.430206</td>\n      <td>116.539200</td>\n      <td>114.971321</td>\n      <td>115.038239</td>\n      <td>4732418</td>\n      <td>101.885780</td>\n    </tr>\n    <tr>\n      <th>2</th>\n      <td>2021-03-03</td>\n      <td>IBM</td>\n      <td>115.200768</td>\n      <td>117.237091</td>\n      <td>114.703636</td>\n      <td>116.978966</td>\n      <td>7744898</td>\n      <td>103.604614</td>\n    </tr>\n    <tr>\n      <th>3</th>\n      <td>2021-03-04</td>\n      <td>IBM</td>\n      <td>116.634796</td>\n      <td>117.801147</td>\n      <td>113.537285</td>\n      <td>114.827919</td>\n      <td>8439651</td>\n      <td>101.699509</td>\n    </tr>\n    <tr>\n      <th>4</th>\n      <td>2021-03-05</td>\n      <td>IBM</td>\n      <td>115.334610</td>\n      <td>118.307838</td>\n      <td>114.961761</td>\n      <td>117.428299</td>\n      <td>7268968</td>\n      <td>104.002579</td>\n    </tr>\n    <tr>\n      <th>...</th>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n    </tr>\n    <tr>\n      <th>248</th>\n      <td>2022-02-22</td>\n      <td>TSLA</td>\n      <td>278.043335</td>\n      <td>285.576660</td>\n      <td>267.033325</td>\n      <td>273.843323</td>\n      <td>83288100</td>\n      <td>273.843323</td>\n    </tr>\n    <tr>\n      <th>249</th>\n      <td>2022-02-23</td>\n      <td>TSLA</td>\n      <td>276.809998</td>\n      <td>278.433319</td>\n      <td>253.520004</td>\n      <td>254.679993</td>\n      <td>95256900</td>\n      <td>254.679993</td>\n    </tr>\n    <tr>\n      <th>250</th>\n      <td>2022-02-24</td>\n      <td>TSLA</td>\n      <td>233.463333</td>\n      <td>267.493347</td>\n      <td>233.333328</td>\n      <td>266.923340</td>\n      <td>135322200</td>\n      <td>266.923340</td>\n    </tr>\n    <tr>\n      <th>251</th>\n      <td>2022-02-25</td>\n      <td>TSLA</td>\n      <td>269.743347</td>\n      <td>273.166656</td>\n      <td>260.799988</td>\n      <td>269.956665</td>\n      <td>76067700</td>\n      <td>269.956665</td>\n    </tr>\n    <tr>\n      <th>252</th>\n      <td>2022-02-28</td>\n      <td>TSLA</td>\n      <td>271.670013</td>\n      <td>292.286682</td>\n      <td>271.570007</td>\n      <td>290.143341</td>\n      <td>99006900</td>\n      <td>290.143341</td>\n    </tr>\n  </tbody>\n</table>\n<p>506 rows × 8 columns</p>\n</div>"
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+       "      <td>114.588913</td>\n",
+       "      <td>115.430206</td>\n",
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+       "      <th>1</th>\n",
+       "      <td>2021-03-02</td>\n",
+       "      <td>IBM</td>\n",
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+       "      <td>114.971321</td>\n",
+       "      <td>115.038239</td>\n",
+       "      <td>4732418</td>\n",
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+       "      <th>2</th>\n",
+       "      <td>2021-03-03</td>\n",
+       "      <td>IBM</td>\n",
+       "      <td>115.200768</td>\n",
+       "      <td>117.237091</td>\n",
+       "      <td>114.703636</td>\n",
+       "      <td>116.978966</td>\n",
+       "      <td>7744898</td>\n",
+       "      <td>101.517296</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>2021-03-04</td>\n",
+       "      <td>IBM</td>\n",
+       "      <td>116.634796</td>\n",
+       "      <td>117.801147</td>\n",
+       "      <td>113.537285</td>\n",
+       "      <td>114.827919</td>\n",
+       "      <td>8439651</td>\n",
+       "      <td>99.650558</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>2021-03-05</td>\n",
+       "      <td>IBM</td>\n",
+       "      <td>115.334610</td>\n",
+       "      <td>118.307838</td>\n",
+       "      <td>114.961761</td>\n",
+       "      <td>117.428299</td>\n",
+       "      <td>7268968</td>\n",
+       "      <td>101.907227</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>248</th>\n",
+       "      <td>2022-02-22</td>\n",
+       "      <td>TSLA</td>\n",
+       "      <td>278.043335</td>\n",
+       "      <td>285.576660</td>\n",
+       "      <td>267.033325</td>\n",
+       "      <td>273.843323</td>\n",
+       "      <td>83288100</td>\n",
+       "      <td>273.843323</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>249</th>\n",
+       "      <td>2022-02-23</td>\n",
+       "      <td>TSLA</td>\n",
+       "      <td>276.809998</td>\n",
+       "      <td>278.433319</td>\n",
+       "      <td>253.520004</td>\n",
+       "      <td>254.679993</td>\n",
+       "      <td>95256900</td>\n",
+       "      <td>254.679993</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>250</th>\n",
+       "      <td>2022-02-24</td>\n",
+       "      <td>TSLA</td>\n",
+       "      <td>233.463333</td>\n",
+       "      <td>267.493347</td>\n",
+       "      <td>233.333328</td>\n",
+       "      <td>266.923340</td>\n",
+       "      <td>135322200</td>\n",
+       "      <td>266.923340</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>251</th>\n",
+       "      <td>2022-02-25</td>\n",
+       "      <td>TSLA</td>\n",
+       "      <td>269.743347</td>\n",
+       "      <td>273.166656</td>\n",
+       "      <td>260.799988</td>\n",
+       "      <td>269.956665</td>\n",
+       "      <td>76067700</td>\n",
+       "      <td>269.956665</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>252</th>\n",
+       "      <td>2022-02-28</td>\n",
+       "      <td>TSLA</td>\n",
+       "      <td>271.670013</td>\n",
+       "      <td>292.286682</td>\n",
+       "      <td>271.570007</td>\n",
+       "      <td>290.143341</td>\n",
+       "      <td>99006900</td>\n",
+       "      <td>290.143341</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>506 rows × 8 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "          date symbol        open        high         low       close  \\\n",
+       "0   2021-03-01    IBM  115.057358  116.940727  114.588913  115.430206   \n",
+       "1   2021-03-02    IBM  115.430206  116.539200  114.971321  115.038239   \n",
+       "2   2021-03-03    IBM  115.200768  117.237091  114.703636  116.978966   \n",
+       "3   2021-03-04    IBM  116.634796  117.801147  113.537285  114.827919   \n",
+       "4   2021-03-05    IBM  115.334610  118.307838  114.961761  117.428299   \n",
+       "..         ...    ...         ...         ...         ...         ...   \n",
+       "248 2022-02-22   TSLA  278.043335  285.576660  267.033325  273.843323   \n",
+       "249 2022-02-23   TSLA  276.809998  278.433319  253.520004  254.679993   \n",
+       "250 2022-02-24   TSLA  233.463333  267.493347  233.333328  266.923340   \n",
+       "251 2022-02-25   TSLA  269.743347  273.166656  260.799988  269.956665   \n",
+       "252 2022-02-28   TSLA  271.670013  292.286682  271.570007  290.143341   \n",
+       "\n",
+       "        volume   adj_close  \n",
+       "0      5977367  100.173233  \n",
+       "1      4732418   99.833076  \n",
+       "2      7744898  101.517296  \n",
+       "3      8439651   99.650558  \n",
+       "4      7268968  101.907227  \n",
+       "..         ...         ...  \n",
+       "248   83288100  273.843323  \n",
+       "249   95256900  254.679993  \n",
+       "250  135322200  266.923340  \n",
+       "251   76067700  269.956665  \n",
+       "252   99006900  290.143341  \n",
+       "\n",
+       "[506 rows x 8 columns]"
+      ]
      },
      "execution_count": 4,
      "metadata": {},
@@ -279,13 +873,197 @@
      "output_type": "stream",
      "text": [
       "Loading bar data...\n",
-      "Loaded bar data: 0:00:46 \n"
+      "Loaded bar data: 0:00:05 \n",
+      "\n"
      ]
     },
     {
      "data": {
-      "text/plain": "                           date symbol    open    high     low   close  \\\n0     2021-03-01 04:00:00-05:00   AAPL  124.30  124.56  124.30  124.50   \n1     2021-03-01 04:00:00-05:00   MSFT  235.87  236.00  235.87  236.00   \n2     2021-03-01 04:01:00-05:00   AAPL  124.56  124.60  124.30  124.30   \n3     2021-03-01 04:01:00-05:00   MSFT  236.17  236.17  236.17  236.17   \n4     2021-03-01 04:02:00-05:00   AAPL  124.00  124.05  123.78  123.78   \n...                         ...    ...     ...     ...     ...     ...   \n33859 2021-03-31 19:57:00-04:00   MSFT  237.28  237.28  237.28  237.28   \n33860 2021-03-31 19:58:00-04:00   AAPL  122.36  122.39  122.33  122.39   \n33861 2021-03-31 19:58:00-04:00   MSFT  237.40  237.40  237.35  237.35   \n33862 2021-03-31 19:59:00-04:00   AAPL  122.39  122.45  122.38  122.45   \n33863 2021-03-31 19:59:00-04:00   MSFT  237.40  237.53  237.40  237.53   \n\n        volume        vwap  \n0      12267.0  124.433365  \n1       1429.0  235.938887  \n2       9439.0  124.481323  \n3        104.0  236.161538  \n4       4834.0  123.935583  \n...        ...         ...  \n33859    507.0  237.367870  \n33860   3403.0  122.360544  \n33861    636.0  237.378066  \n33862   5560.0  122.402606  \n33863   1163.0  237.473801  \n\n[33864 rows x 8 columns]",
-      "text/html": "<div>\n<style scoped>\n    .dataframe tbody tr th:only-of-type {\n        vertical-align: middle;\n    }\n\n    .dataframe tbody tr th {\n        vertical-align: top;\n    }\n\n    .dataframe thead th {\n        text-align: right;\n    }\n</style>\n<table border=\"1\" class=\"dataframe\">\n  <thead>\n    <tr style=\"text-align: right;\">\n      <th></th>\n      <th>date</th>\n      <th>symbol</th>\n      <th>open</th>\n      <th>high</th>\n      <th>low</th>\n      <th>close</th>\n      <th>volume</th>\n      <th>vwap</th>\n    </tr>\n  </thead>\n  <tbody>\n    <tr>\n      <th>0</th>\n      <td>2021-03-01 04:00:00-05:00</td>\n      <td>AAPL</td>\n      <td>124.30</td>\n      <td>124.56</td>\n      <td>124.30</td>\n      <td>124.50</td>\n      <td>12267.0</td>\n      <td>124.433365</td>\n    </tr>\n    <tr>\n      <th>1</th>\n      <td>2021-03-01 04:00:00-05:00</td>\n      <td>MSFT</td>\n      <td>235.87</td>\n      <td>236.00</td>\n      <td>235.87</td>\n      <td>236.00</td>\n      <td>1429.0</td>\n      <td>235.938887</td>\n    </tr>\n    <tr>\n      <th>2</th>\n      <td>2021-03-01 04:01:00-05:00</td>\n      <td>AAPL</td>\n      <td>124.56</td>\n      <td>124.60</td>\n      <td>124.30</td>\n      <td>124.30</td>\n      <td>9439.0</td>\n      <td>124.481323</td>\n    </tr>\n    <tr>\n      <th>3</th>\n      <td>2021-03-01 04:01:00-05:00</td>\n      <td>MSFT</td>\n      <td>236.17</td>\n      <td>236.17</td>\n      <td>236.17</td>\n      <td>236.17</td>\n      <td>104.0</td>\n      <td>236.161538</td>\n    </tr>\n    <tr>\n      <th>4</th>\n      <td>2021-03-01 04:02:00-05:00</td>\n      <td>AAPL</td>\n      <td>124.00</td>\n      <td>124.05</td>\n      <td>123.78</td>\n      <td>123.78</td>\n      <td>4834.0</td>\n      <td>123.935583</td>\n    </tr>\n    <tr>\n      <th>...</th>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n    </tr>\n    <tr>\n      <th>33859</th>\n      <td>2021-03-31 19:57:00-04:00</td>\n      <td>MSFT</td>\n      <td>237.28</td>\n      <td>237.28</td>\n      <td>237.28</td>\n      <td>237.28</td>\n      <td>507.0</td>\n      <td>237.367870</td>\n    </tr>\n    <tr>\n      <th>33860</th>\n      <td>2021-03-31 19:58:00-04:00</td>\n      <td>AAPL</td>\n      <td>122.36</td>\n      <td>122.39</td>\n      <td>122.33</td>\n      <td>122.39</td>\n      <td>3403.0</td>\n      <td>122.360544</td>\n    </tr>\n    <tr>\n      <th>33861</th>\n      <td>2021-03-31 19:58:00-04:00</td>\n      <td>MSFT</td>\n      <td>237.40</td>\n      <td>237.40</td>\n      <td>237.35</td>\n      <td>237.35</td>\n      <td>636.0</td>\n      <td>237.378066</td>\n    </tr>\n    <tr>\n      <th>33862</th>\n      <td>2021-03-31 19:59:00-04:00</td>\n      <td>AAPL</td>\n      <td>122.39</td>\n      <td>122.45</td>\n      <td>122.38</td>\n      <td>122.45</td>\n      <td>5560.0</td>\n      <td>122.402606</td>\n    </tr>\n    <tr>\n      <th>33863</th>\n      <td>2021-03-31 19:59:00-04:00</td>\n      <td>MSFT</td>\n      <td>237.40</td>\n      <td>237.53</td>\n      <td>237.40</td>\n      <td>237.53</td>\n      <td>1163.0</td>\n      <td>237.473801</td>\n    </tr>\n  </tbody>\n</table>\n<p>33864 rows × 8 columns</p>\n</div>"
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
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+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>date</th>\n",
+       "      <th>symbol</th>\n",
+       "      <th>open</th>\n",
+       "      <th>high</th>\n",
+       "      <th>low</th>\n",
+       "      <th>close</th>\n",
+       "      <th>volume</th>\n",
+       "      <th>vwap</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>2021-03-01 04:00:00-05:00</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>124.30</td>\n",
+       "      <td>124.56</td>\n",
+       "      <td>124.30</td>\n",
+       "      <td>124.50</td>\n",
+       "      <td>12267.0</td>\n",
+       "      <td>124.433365</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>2021-03-01 04:00:00-05:00</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>235.87</td>\n",
+       "      <td>236.00</td>\n",
+       "      <td>235.87</td>\n",
+       "      <td>236.00</td>\n",
+       "      <td>1429.0</td>\n",
+       "      <td>235.938887</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>2021-03-01 04:01:00-05:00</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>124.56</td>\n",
+       "      <td>124.60</td>\n",
+       "      <td>124.30</td>\n",
+       "      <td>124.30</td>\n",
+       "      <td>9439.0</td>\n",
+       "      <td>124.481323</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>2021-03-01 04:01:00-05:00</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>236.17</td>\n",
+       "      <td>236.17</td>\n",
+       "      <td>236.17</td>\n",
+       "      <td>236.17</td>\n",
+       "      <td>104.0</td>\n",
+       "      <td>236.161538</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>2021-03-01 04:02:00-05:00</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>124.00</td>\n",
+       "      <td>124.05</td>\n",
+       "      <td>123.78</td>\n",
+       "      <td>123.78</td>\n",
+       "      <td>4834.0</td>\n",
+       "      <td>123.935583</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>33340</th>\n",
+       "      <td>2021-03-31 19:57:00-04:00</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>237.28</td>\n",
+       "      <td>237.28</td>\n",
+       "      <td>237.28</td>\n",
+       "      <td>237.28</td>\n",
+       "      <td>507.0</td>\n",
+       "      <td>237.367870</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>33341</th>\n",
+       "      <td>2021-03-31 19:58:00-04:00</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>122.36</td>\n",
+       "      <td>122.39</td>\n",
+       "      <td>122.33</td>\n",
+       "      <td>122.39</td>\n",
+       "      <td>3403.0</td>\n",
+       "      <td>122.360544</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>33342</th>\n",
+       "      <td>2021-03-31 19:58:00-04:00</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>237.40</td>\n",
+       "      <td>237.40</td>\n",
+       "      <td>237.35</td>\n",
+       "      <td>237.35</td>\n",
+       "      <td>636.0</td>\n",
+       "      <td>237.378066</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>33343</th>\n",
+       "      <td>2021-03-31 19:59:00-04:00</td>\n",
+       "      <td>AAPL</td>\n",
+       "      <td>122.39</td>\n",
+       "      <td>122.45</td>\n",
+       "      <td>122.38</td>\n",
+       "      <td>122.45</td>\n",
+       "      <td>5560.0</td>\n",
+       "      <td>122.402606</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>33344</th>\n",
+       "      <td>2021-03-31 19:59:00-04:00</td>\n",
+       "      <td>MSFT</td>\n",
+       "      <td>237.40</td>\n",
+       "      <td>237.53</td>\n",
+       "      <td>237.40</td>\n",
+       "      <td>237.53</td>\n",
+       "      <td>1163.0</td>\n",
+       "      <td>237.473801</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>33345 rows × 8 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                           date symbol    open    high     low   close  \\\n",
+       "0     2021-03-01 04:00:00-05:00   AAPL  124.30  124.56  124.30  124.50   \n",
+       "1     2021-03-01 04:00:00-05:00   MSFT  235.87  236.00  235.87  236.00   \n",
+       "2     2021-03-01 04:01:00-05:00   AAPL  124.56  124.60  124.30  124.30   \n",
+       "3     2021-03-01 04:01:00-05:00   MSFT  236.17  236.17  236.17  236.17   \n",
+       "4     2021-03-01 04:02:00-05:00   AAPL  124.00  124.05  123.78  123.78   \n",
+       "...                         ...    ...     ...     ...     ...     ...   \n",
+       "33340 2021-03-31 19:57:00-04:00   MSFT  237.28  237.28  237.28  237.28   \n",
+       "33341 2021-03-31 19:58:00-04:00   AAPL  122.36  122.39  122.33  122.39   \n",
+       "33342 2021-03-31 19:58:00-04:00   MSFT  237.40  237.40  237.35  237.35   \n",
+       "33343 2021-03-31 19:59:00-04:00   AAPL  122.39  122.45  122.38  122.45   \n",
+       "33344 2021-03-31 19:59:00-04:00   MSFT  237.40  237.53  237.40  237.53   \n",
+       "\n",
+       "        volume        vwap  \n",
+       "0      12267.0  124.433365  \n",
+       "1       1429.0  235.938887  \n",
+       "2       9439.0  124.481323  \n",
+       "3        104.0  236.161538  \n",
+       "4       4834.0  123.935583  \n",
+       "...        ...         ...  \n",
+       "33340    507.0  237.367870  \n",
+       "33341   3403.0  122.360544  \n",
+       "33342    636.0  237.378066  \n",
+       "33343   5560.0  122.402606  \n",
+       "33344   1163.0  237.473801  \n",
+       "\n",
+       "[33345 rows x 8 columns]"
+      ]
      },
      "execution_count": 8,
      "metadata": {},
@@ -327,18 +1105,40 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Loading bar data...\n",
-      "Loaded bar data: 0:00:02 \n"
+      "Loading bar data...\n"
      ]
     },
     {
-     "data": {
-      "text/plain": "      symbol                      date      open      high       low  \\\n0    BTC/USD 2021-01-01 01:00:00-05:00  29255.71  29338.25  29153.55   \n1    BTC/USD 2021-01-01 02:00:00-05:00  29235.61  29236.95  28905.00   \n2    BTC/USD 2021-01-01 03:00:00-05:00  29162.50  29248.52  28948.86   \n3    BTC/USD 2021-01-01 04:00:00-05:00  29075.31  29372.32  29058.05   \n4    BTC/USD 2021-01-01 05:00:00-05:00  29291.54  29400.00  29232.16   \n..       ...                       ...       ...       ...       ...   \n731  BTC/USD 2021-01-31 15:00:00-05:00  32837.67  32964.87  32528.54   \n732  BTC/USD 2021-01-31 16:00:00-05:00  32889.01  32935.98  32554.59   \n733  BTC/USD 2021-01-31 17:00:00-05:00  32599.00  33126.32  32599.00   \n734  BTC/USD 2021-01-31 18:00:00-05:00  33000.00  33263.94  32957.10   \n735  BTC/USD 2021-01-31 19:00:00-05:00  33134.03  33134.03  32303.44   \n\n        close     volume          vwap  trade_count  \n0    29234.15  42.244289  29237.240312       1243.0  \n1    29162.50  34.506038  29078.423185       1070.0  \n2    29076.77  27.596804  29091.465155       1110.0  \n3    29284.92  20.694200  29248.730924        880.0  \n4    29286.63  16.617646  29338.609132        742.0  \n..        ...        ...           ...          ...  \n731  32882.87  40.631122  32818.132855       2197.0  \n732  32586.68  26.673190  32737.975296       1625.0  \n733  32998.35  25.422568  32923.438893       1770.0  \n734  33134.86  31.072017  33147.086803       2203.0  \n735  32572.03  60.460424  32552.937863       2665.0  \n\n[736 rows x 9 columns]",
-      "text/html": "<div>\n<style scoped>\n    .dataframe tbody tr th:only-of-type {\n        vertical-align: middle;\n    }\n\n    .dataframe tbody tr th {\n        vertical-align: top;\n    }\n\n    .dataframe thead th {\n        text-align: right;\n    }\n</style>\n<table border=\"1\" class=\"dataframe\">\n  <thead>\n    <tr style=\"text-align: right;\">\n      <th></th>\n      <th>symbol</th>\n      <th>date</th>\n      <th>open</th>\n      <th>high</th>\n      <th>low</th>\n      <th>close</th>\n      <th>volume</th>\n      <th>vwap</th>\n      <th>trade_count</th>\n    </tr>\n  </thead>\n  <tbody>\n    <tr>\n      <th>0</th>\n      <td>BTC/USD</td>\n      <td>2021-01-01 01:00:00-05:00</td>\n      <td>29255.71</td>\n      <td>29338.25</td>\n      <td>29153.55</td>\n      <td>29234.15</td>\n      <td>42.244289</td>\n      <td>29237.240312</td>\n      <td>1243.0</td>\n    </tr>\n    <tr>\n      <th>1</th>\n      <td>BTC/USD</td>\n      <td>2021-01-01 02:00:00-05:00</td>\n      <td>29235.61</td>\n      <td>29236.95</td>\n      <td>28905.00</td>\n      <td>29162.50</td>\n      <td>34.506038</td>\n      <td>29078.423185</td>\n      <td>1070.0</td>\n    </tr>\n    <tr>\n      <th>2</th>\n      <td>BTC/USD</td>\n      <td>2021-01-01 03:00:00-05:00</td>\n      <td>29162.50</td>\n      <td>29248.52</td>\n      <td>28948.86</td>\n      <td>29076.77</td>\n      <td>27.596804</td>\n      <td>29091.465155</td>\n      <td>1110.0</td>\n    </tr>\n    <tr>\n      <th>3</th>\n      <td>BTC/USD</td>\n      <td>2021-01-01 04:00:00-05:00</td>\n      <td>29075.31</td>\n      <td>29372.32</td>\n      <td>29058.05</td>\n      <td>29284.92</td>\n      <td>20.694200</td>\n      <td>29248.730924</td>\n      <td>880.0</td>\n    </tr>\n    <tr>\n      <th>4</th>\n      <td>BTC/USD</td>\n      <td>2021-01-01 05:00:00-05:00</td>\n      <td>29291.54</td>\n      <td>29400.00</td>\n      <td>29232.16</td>\n      <td>29286.63</td>\n      <td>16.617646</td>\n      <td>29338.609132</td>\n      <td>742.0</td>\n    </tr>\n    <tr>\n      <th>...</th>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n    </tr>\n    <tr>\n      <th>731</th>\n      <td>BTC/USD</td>\n      <td>2021-01-31 15:00:00-05:00</td>\n      <td>32837.67</td>\n      <td>32964.87</td>\n      <td>32528.54</td>\n      <td>32882.87</td>\n      <td>40.631122</td>\n      <td>32818.132855</td>\n      <td>2197.0</td>\n    </tr>\n    <tr>\n      <th>732</th>\n      <td>BTC/USD</td>\n      <td>2021-01-31 16:00:00-05:00</td>\n      <td>32889.01</td>\n      <td>32935.98</td>\n      <td>32554.59</td>\n      <td>32586.68</td>\n      <td>26.673190</td>\n      <td>32737.975296</td>\n      <td>1625.0</td>\n    </tr>\n    <tr>\n      <th>733</th>\n      <td>BTC/USD</td>\n      <td>2021-01-31 17:00:00-05:00</td>\n      <td>32599.00</td>\n      <td>33126.32</td>\n      <td>32599.00</td>\n      <td>32998.35</td>\n      <td>25.422568</td>\n      <td>32923.438893</td>\n      <td>1770.0</td>\n    </tr>\n    <tr>\n      <th>734</th>\n      <td>BTC/USD</td>\n      <td>2021-01-31 18:00:00-05:00</td>\n      <td>33000.00</td>\n      <td>33263.94</td>\n      <td>32957.10</td>\n      <td>33134.86</td>\n      <td>31.072017</td>\n      <td>33147.086803</td>\n      <td>2203.0</td>\n    </tr>\n    <tr>\n      <th>735</th>\n      <td>BTC/USD</td>\n      <td>2021-01-31 19:00:00-05:00</td>\n      <td>33134.03</td>\n      <td>33134.03</td>\n      <td>32303.44</td>\n      <td>32572.03</td>\n      <td>60.460424</td>\n      <td>32552.937863</td>\n      <td>2665.0</td>\n    </tr>\n  </tbody>\n</table>\n<p>736 rows × 9 columns</p>\n</div>"
-     },
-     "execution_count": 9,
-     "metadata": {},
-     "output_type": "execute_result"
+     "ename": "KeyboardInterrupt",
+     "evalue": "",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[0;31mKeyboardInterrupt\u001b[0m                         Traceback (most recent call last)",
+      "Cell \u001b[0;32mIn[9], line 7\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mpybroker\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m AlpacaCrypto\n\u001b[1;32m      3\u001b[0m crypto \u001b[38;5;241m=\u001b[39m AlpacaCrypto(\n\u001b[1;32m      4\u001b[0m     os\u001b[38;5;241m.\u001b[39menviron[\u001b[38;5;124m'\u001b[39m\u001b[38;5;124mALPACA_API_KEY\u001b[39m\u001b[38;5;124m'\u001b[39m], \n\u001b[1;32m      5\u001b[0m     os\u001b[38;5;241m.\u001b[39menviron[\u001b[38;5;124m'\u001b[39m\u001b[38;5;124mALPACA_API_SECRET\u001b[39m\u001b[38;5;124m'\u001b[39m]\n\u001b[1;32m      6\u001b[0m )\n\u001b[0;32m----> 7\u001b[0m df \u001b[38;5;241m=\u001b[39m \u001b[43mcrypto\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mquery\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[38;5;124;43mBTC/USD\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mstart_date\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[38;5;124;43m1/1/2021\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mend_date\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[38;5;124;43m2/1/2021\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mtimeframe\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[38;5;124;43m1h\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[43m)\u001b[49m\n\u001b[1;32m      8\u001b[0m df\n",
+      "File \u001b[0;32m~/pybroker/src/pybroker/data.py:426\u001b[0m, in \u001b[0;36mAlpacaCrypto.query\u001b[0;34m(self, symbols, start_date, end_date, timeframe, _)\u001b[0m\n\u001b[1;32m    417\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mquery\u001b[39m(\n\u001b[1;32m    418\u001b[0m     \u001b[38;5;28mself\u001b[39m,\n\u001b[1;32m    419\u001b[0m     symbols: Union[\u001b[38;5;28mstr\u001b[39m, Iterable[\u001b[38;5;28mstr\u001b[39m]],\n\u001b[0;32m   (...)\u001b[0m\n\u001b[1;32m    423\u001b[0m     _: Optional[\u001b[38;5;28mstr\u001b[39m] \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;01mNone\u001b[39;00m,\n\u001b[1;32m    424\u001b[0m ) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m pd\u001b[38;5;241m.\u001b[39mDataFrame:\n\u001b[1;32m    425\u001b[0m     _parse_alpaca_timeframe(timeframe)\n\u001b[0;32m--> 426\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43msuper\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mquery\u001b[49m\u001b[43m(\u001b[49m\u001b[43msymbols\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mstart_date\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mend_date\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mtimeframe\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43m_\u001b[49m\u001b[43m)\u001b[49m\n",
+      "File \u001b[0;32m~/pybroker/src/pybroker/data.py:229\u001b[0m, in \u001b[0;36mDataSource.query\u001b[0;34m(self, symbols, start_date, end_date, timeframe, adjust)\u001b[0m\n\u001b[1;32m    222\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_logger\u001b[38;5;241m.\u001b[39mdownload_bar_data_start()\n\u001b[1;32m    223\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_logger\u001b[38;5;241m.\u001b[39minfo_download_bar_data_start(\n\u001b[1;32m    224\u001b[0m     symbols\u001b[38;5;241m=\u001b[39muncached_syms,\n\u001b[1;32m    225\u001b[0m     timeframe\u001b[38;5;241m=\u001b[39mtimeframe,\n\u001b[1;32m    226\u001b[0m     start_date\u001b[38;5;241m=\u001b[39mstart_date,\n\u001b[1;32m    227\u001b[0m     end_date\u001b[38;5;241m=\u001b[39mend_date,\n\u001b[1;32m    228\u001b[0m )\n\u001b[0;32m--> 229\u001b[0m df \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_fetch_data\u001b[49m\u001b[43m(\u001b[49m\n\u001b[1;32m    230\u001b[0m \u001b[43m    \u001b[49m\u001b[38;5;28;43mfrozenset\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43muncached_syms\u001b[49m\u001b[43m)\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mstart_date\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mend_date\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mtimeframe\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43madjust\u001b[49m\n\u001b[1;32m    231\u001b[0m \u001b[43m\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    232\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m (\n\u001b[1;32m    233\u001b[0m     \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_scope\u001b[38;5;241m.\u001b[39mdata_source_cache \u001b[38;5;129;01mis\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m \u001b[38;5;28;01mNone\u001b[39;00m\n\u001b[1;32m    234\u001b[0m     \u001b[38;5;129;01mand\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m cached_df\u001b[38;5;241m.\u001b[39mcolumns\u001b[38;5;241m.\u001b[39mempty\n\u001b[1;32m    235\u001b[0m     \u001b[38;5;129;01mand\u001b[39;00m \u001b[38;5;28mset\u001b[39m(cached_df\u001b[38;5;241m.\u001b[39mcolumns) \u001b[38;5;241m!=\u001b[39m \u001b[38;5;28mset\u001b[39m(df\u001b[38;5;241m.\u001b[39mcolumns)\n\u001b[1;32m    236\u001b[0m ):\n\u001b[1;32m    237\u001b[0m     \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_logger\u001b[38;5;241m.\u001b[39minfo_invalidate_data_source_cache()\n",
+      "File \u001b[0;32m~/pybroker/src/pybroker/data.py:445\u001b[0m, in \u001b[0;36mAlpacaCrypto._fetch_data\u001b[0;34m(self, symbols, start_date, end_date, timeframe, _)\u001b[0m\n\u001b[1;32m    437\u001b[0m amount, unit \u001b[38;5;241m=\u001b[39m _parse_alpaca_timeframe(timeframe)\n\u001b[1;32m    438\u001b[0m request \u001b[38;5;241m=\u001b[39m CryptoBarsRequest(\n\u001b[1;32m    439\u001b[0m     symbol_or_symbols\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mlist\u001b[39m(symbols),\n\u001b[1;32m    440\u001b[0m     start\u001b[38;5;241m=\u001b[39mstart_date,\n\u001b[0;32m   (...)\u001b[0m\n\u001b[1;32m    443\u001b[0m     limit\u001b[38;5;241m=\u001b[39m\u001b[38;5;28;01mNone\u001b[39;00m,\n\u001b[1;32m    444\u001b[0m )\n\u001b[0;32m--> 445\u001b[0m df \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_api\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mget_crypto_bars\u001b[49m\u001b[43m(\u001b[49m\u001b[43mrequest\u001b[49m\u001b[43m)\u001b[49m\u001b[38;5;241m.\u001b[39mdf  \u001b[38;5;66;03m# type: ignore[union-attr]\u001b[39;00m\n\u001b[1;32m    446\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m df\u001b[38;5;241m.\u001b[39mcolumns\u001b[38;5;241m.\u001b[39mempty:\n\u001b[1;32m    447\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m pd\u001b[38;5;241m.\u001b[39mDataFrame(columns\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mCOLUMNS)\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/alpaca/data/historical/crypto.py:88\u001b[0m, in \u001b[0;36mCryptoHistoricalDataClient.get_crypto_bars\u001b[0;34m(self, request_params, feed)\u001b[0m\n\u001b[1;32m     85\u001b[0m params \u001b[38;5;241m=\u001b[39m request_params\u001b[38;5;241m.\u001b[39mto_request_fields()\n\u001b[1;32m     87\u001b[0m \u001b[38;5;66;03m# paginated get request for crypto market data api\u001b[39;00m\n\u001b[0;32m---> 88\u001b[0m raw_bars \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_data_get\u001b[49m\u001b[43m(\u001b[49m\n\u001b[1;32m     89\u001b[0m \u001b[43m    \u001b[49m\u001b[43mendpoint_asset_class\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43mcrypto\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m,\u001b[49m\n\u001b[1;32m     90\u001b[0m \u001b[43m    \u001b[49m\u001b[43mendpoint_data_type\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43mbars\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m,\u001b[49m\n\u001b[1;32m     91\u001b[0m \u001b[43m    \u001b[49m\u001b[43mapi_version\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43mv1beta3\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m,\u001b[49m\n\u001b[1;32m     92\u001b[0m \u001b[43m    \u001b[49m\u001b[43mfeed\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mfeed\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m     93\u001b[0m \u001b[43m    \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mparams\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m     94\u001b[0m \u001b[43m\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m     96\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_use_raw_data:\n\u001b[1;32m     97\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m raw_bars\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/alpaca/data/historical/crypto.py:357\u001b[0m, in \u001b[0;36mCryptoHistoricalDataClient._data_get\u001b[0;34m(self, endpoint_asset_class, endpoint_data_type, api_version, feed, symbol_or_symbols, limit, page_limit, extension, **kwargs)\u001b[0m\n\u001b[1;32m    354\u001b[0m params[\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mlimit\u001b[39m\u001b[38;5;124m\"\u001b[39m] \u001b[38;5;241m=\u001b[39m actual_limit\n\u001b[1;32m    355\u001b[0m params[\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mpage_token\u001b[39m\u001b[38;5;124m\"\u001b[39m] \u001b[38;5;241m=\u001b[39m page_token\n\u001b[0;32m--> 357\u001b[0m response \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mget\u001b[49m\u001b[43m(\u001b[49m\u001b[43mpath\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mpath\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mdata\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mparams\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mapi_version\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mapi_version\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    359\u001b[0m \u001b[38;5;66;03m# TODO: Merge parsing if possible\u001b[39;00m\n\u001b[1;32m    360\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m (\n\u001b[1;32m    361\u001b[0m     extension \u001b[38;5;241m==\u001b[39m DataExtensionType\u001b[38;5;241m.\u001b[39mLATEST\n\u001b[1;32m    362\u001b[0m     \u001b[38;5;129;01mor\u001b[39;00m extension \u001b[38;5;241m==\u001b[39m DataExtensionType\u001b[38;5;241m.\u001b[39mSNAPSHOT\n\u001b[1;32m    363\u001b[0m ):\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/alpaca/common/rest.py:221\u001b[0m, in \u001b[0;36mRESTClient.get\u001b[0;34m(self, path, data, **kwargs)\u001b[0m\n\u001b[1;32m    210\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mget\u001b[39m(\u001b[38;5;28mself\u001b[39m, path: \u001b[38;5;28mstr\u001b[39m, data: Union[\u001b[38;5;28mdict\u001b[39m, \u001b[38;5;28mstr\u001b[39m] \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;01mNone\u001b[39;00m, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkwargs) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m HTTPResult:\n\u001b[1;32m    211\u001b[0m \u001b[38;5;250m    \u001b[39m\u001b[38;5;124;03m\"\"\"Performs a single GET request\u001b[39;00m\n\u001b[1;32m    212\u001b[0m \n\u001b[1;32m    213\u001b[0m \u001b[38;5;124;03m    Args:\u001b[39;00m\n\u001b[0;32m   (...)\u001b[0m\n\u001b[1;32m    219\u001b[0m \u001b[38;5;124;03m        dict: The response\u001b[39;00m\n\u001b[1;32m    220\u001b[0m \u001b[38;5;124;03m    \"\"\"\u001b[39;00m\n\u001b[0;32m--> 221\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_request\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43mGET\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mpath\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mdata\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/alpaca/common/rest.py:129\u001b[0m, in \u001b[0;36mRESTClient._request\u001b[0;34m(self, method, path, data, base_url, api_version)\u001b[0m\n\u001b[1;32m    127\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m retry \u001b[38;5;241m>\u001b[39m\u001b[38;5;241m=\u001b[39m \u001b[38;5;241m0\u001b[39m:\n\u001b[1;32m    128\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[0;32m--> 129\u001b[0m         \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_one_request\u001b[49m\u001b[43m(\u001b[49m\u001b[43mmethod\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43murl\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mopts\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mretry\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    130\u001b[0m     \u001b[38;5;28;01mexcept\u001b[39;00m RetryException:\n\u001b[1;32m    131\u001b[0m         time\u001b[38;5;241m.\u001b[39msleep(\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_retry_wait)\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/alpaca/common/rest.py:193\u001b[0m, in \u001b[0;36mRESTClient._one_request\u001b[0;34m(self, method, url, opts, retry)\u001b[0m\n\u001b[1;32m    174\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21m_one_request\u001b[39m(\u001b[38;5;28mself\u001b[39m, method: \u001b[38;5;28mstr\u001b[39m, url: \u001b[38;5;28mstr\u001b[39m, opts: \u001b[38;5;28mdict\u001b[39m, retry: \u001b[38;5;28mint\u001b[39m) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m \u001b[38;5;28mdict\u001b[39m:\n\u001b[1;32m    175\u001b[0m \u001b[38;5;250m    \u001b[39m\u001b[38;5;124;03m\"\"\"Perform one request, possibly raising RetryException in the case\u001b[39;00m\n\u001b[1;32m    176\u001b[0m \u001b[38;5;124;03m    the response is 429. Otherwise, if error text contain \"code\" string,\u001b[39;00m\n\u001b[1;32m    177\u001b[0m \u001b[38;5;124;03m    then it decodes to json object and returns APIError.\u001b[39;00m\n\u001b[0;32m   (...)\u001b[0m\n\u001b[1;32m    191\u001b[0m \u001b[38;5;124;03m        dict: The response data\u001b[39;00m\n\u001b[1;32m    192\u001b[0m \u001b[38;5;124;03m    \"\"\"\u001b[39;00m\n\u001b[0;32m--> 193\u001b[0m     response \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_session\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mrequest\u001b[49m\u001b[43m(\u001b[49m\u001b[43mmethod\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43murl\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mopts\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    195\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m    196\u001b[0m         response\u001b[38;5;241m.\u001b[39mraise_for_status()\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/requests/sessions.py:589\u001b[0m, in \u001b[0;36mSession.request\u001b[0;34m(self, method, url, params, data, headers, cookies, files, auth, timeout, allow_redirects, proxies, hooks, stream, verify, cert, json)\u001b[0m\n\u001b[1;32m    584\u001b[0m send_kwargs \u001b[38;5;241m=\u001b[39m {\n\u001b[1;32m    585\u001b[0m     \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mtimeout\u001b[39m\u001b[38;5;124m\"\u001b[39m: timeout,\n\u001b[1;32m    586\u001b[0m     \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mallow_redirects\u001b[39m\u001b[38;5;124m\"\u001b[39m: allow_redirects,\n\u001b[1;32m    587\u001b[0m }\n\u001b[1;32m    588\u001b[0m send_kwargs\u001b[38;5;241m.\u001b[39mupdate(settings)\n\u001b[0;32m--> 589\u001b[0m resp \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43msend\u001b[49m\u001b[43m(\u001b[49m\u001b[43mprep\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43msend_kwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    591\u001b[0m \u001b[38;5;28;01mreturn\u001b[39;00m resp\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/requests/sessions.py:703\u001b[0m, in \u001b[0;36mSession.send\u001b[0;34m(self, request, **kwargs)\u001b[0m\n\u001b[1;32m    700\u001b[0m start \u001b[38;5;241m=\u001b[39m preferred_clock()\n\u001b[1;32m    702\u001b[0m \u001b[38;5;66;03m# Send the request\u001b[39;00m\n\u001b[0;32m--> 703\u001b[0m r \u001b[38;5;241m=\u001b[39m \u001b[43madapter\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43msend\u001b[49m\u001b[43m(\u001b[49m\u001b[43mrequest\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    705\u001b[0m \u001b[38;5;66;03m# Total elapsed time of the request (approximately)\u001b[39;00m\n\u001b[1;32m    706\u001b[0m elapsed \u001b[38;5;241m=\u001b[39m preferred_clock() \u001b[38;5;241m-\u001b[39m start\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/requests/adapters.py:486\u001b[0m, in \u001b[0;36mHTTPAdapter.send\u001b[0;34m(self, request, stream, timeout, verify, cert, proxies)\u001b[0m\n\u001b[1;32m    483\u001b[0m     timeout \u001b[38;5;241m=\u001b[39m TimeoutSauce(connect\u001b[38;5;241m=\u001b[39mtimeout, read\u001b[38;5;241m=\u001b[39mtimeout)\n\u001b[1;32m    485\u001b[0m \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[0;32m--> 486\u001b[0m     resp \u001b[38;5;241m=\u001b[39m \u001b[43mconn\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43murlopen\u001b[49m\u001b[43m(\u001b[49m\n\u001b[1;32m    487\u001b[0m \u001b[43m        \u001b[49m\u001b[43mmethod\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mrequest\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mmethod\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    488\u001b[0m \u001b[43m        \u001b[49m\u001b[43murl\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43murl\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    489\u001b[0m \u001b[43m        \u001b[49m\u001b[43mbody\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mrequest\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mbody\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    490\u001b[0m \u001b[43m        \u001b[49m\u001b[43mheaders\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mrequest\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mheaders\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    491\u001b[0m \u001b[43m        \u001b[49m\u001b[43mredirect\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;28;43;01mFalse\u001b[39;49;00m\u001b[43m,\u001b[49m\n\u001b[1;32m    492\u001b[0m \u001b[43m        \u001b[49m\u001b[43massert_same_host\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;28;43;01mFalse\u001b[39;49;00m\u001b[43m,\u001b[49m\n\u001b[1;32m    493\u001b[0m \u001b[43m        \u001b[49m\u001b[43mpreload_content\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;28;43;01mFalse\u001b[39;49;00m\u001b[43m,\u001b[49m\n\u001b[1;32m    494\u001b[0m \u001b[43m        \u001b[49m\u001b[43mdecode_content\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;28;43;01mFalse\u001b[39;49;00m\u001b[43m,\u001b[49m\n\u001b[1;32m    495\u001b[0m \u001b[43m        \u001b[49m\u001b[43mretries\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mmax_retries\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    496\u001b[0m \u001b[43m        \u001b[49m\u001b[43mtimeout\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mtimeout\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    497\u001b[0m \u001b[43m        \u001b[49m\u001b[43mchunked\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mchunked\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    498\u001b[0m \u001b[43m    \u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    500\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m (ProtocolError, \u001b[38;5;167;01mOSError\u001b[39;00m) \u001b[38;5;28;01mas\u001b[39;00m err:\n\u001b[1;32m    501\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mConnectionError\u001b[39;00m(err, request\u001b[38;5;241m=\u001b[39mrequest)\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/urllib3/connectionpool.py:703\u001b[0m, in \u001b[0;36mHTTPConnectionPool.urlopen\u001b[0;34m(self, method, url, body, headers, retries, redirect, assert_same_host, timeout, pool_timeout, release_conn, chunked, body_pos, **response_kw)\u001b[0m\n\u001b[1;32m    700\u001b[0m     \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_prepare_proxy(conn)\n\u001b[1;32m    702\u001b[0m \u001b[38;5;66;03m# Make the request on the httplib connection object.\u001b[39;00m\n\u001b[0;32m--> 703\u001b[0m httplib_response \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_make_request\u001b[49m\u001b[43m(\u001b[49m\n\u001b[1;32m    704\u001b[0m \u001b[43m    \u001b[49m\u001b[43mconn\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    705\u001b[0m \u001b[43m    \u001b[49m\u001b[43mmethod\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    706\u001b[0m \u001b[43m    \u001b[49m\u001b[43murl\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    707\u001b[0m \u001b[43m    \u001b[49m\u001b[43mtimeout\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mtimeout_obj\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    708\u001b[0m \u001b[43m    \u001b[49m\u001b[43mbody\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mbody\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    709\u001b[0m \u001b[43m    \u001b[49m\u001b[43mheaders\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mheaders\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    710\u001b[0m \u001b[43m    \u001b[49m\u001b[43mchunked\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mchunked\u001b[49m\u001b[43m,\u001b[49m\n\u001b[1;32m    711\u001b[0m \u001b[43m\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    713\u001b[0m \u001b[38;5;66;03m# If we're going to release the connection in ``finally:``, then\u001b[39;00m\n\u001b[1;32m    714\u001b[0m \u001b[38;5;66;03m# the response doesn't need to know about the connection. Otherwise\u001b[39;00m\n\u001b[1;32m    715\u001b[0m \u001b[38;5;66;03m# it will also try to release it and we'll have a double-release\u001b[39;00m\n\u001b[1;32m    716\u001b[0m \u001b[38;5;66;03m# mess.\u001b[39;00m\n\u001b[1;32m    717\u001b[0m response_conn \u001b[38;5;241m=\u001b[39m conn \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m release_conn \u001b[38;5;28;01melse\u001b[39;00m \u001b[38;5;28;01mNone\u001b[39;00m\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/urllib3/connectionpool.py:449\u001b[0m, in \u001b[0;36mHTTPConnectionPool._make_request\u001b[0;34m(self, conn, method, url, timeout, chunked, **httplib_request_kw)\u001b[0m\n\u001b[1;32m    444\u001b[0m             httplib_response \u001b[38;5;241m=\u001b[39m conn\u001b[38;5;241m.\u001b[39mgetresponse()\n\u001b[1;32m    445\u001b[0m         \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m \u001b[38;5;28;01mas\u001b[39;00m e:\n\u001b[1;32m    446\u001b[0m             \u001b[38;5;66;03m# Remove the TypeError from the exception chain in\u001b[39;00m\n\u001b[1;32m    447\u001b[0m             \u001b[38;5;66;03m# Python 3 (including for exceptions like SystemExit).\u001b[39;00m\n\u001b[1;32m    448\u001b[0m             \u001b[38;5;66;03m# Otherwise it looks like a bug in the code.\u001b[39;00m\n\u001b[0;32m--> 449\u001b[0m             \u001b[43msix\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mraise_from\u001b[49m\u001b[43m(\u001b[49m\u001b[43me\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;28;43;01mNone\u001b[39;49;00m\u001b[43m)\u001b[49m\n\u001b[1;32m    450\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m (SocketTimeout, BaseSSLError, SocketError) \u001b[38;5;28;01mas\u001b[39;00m e:\n\u001b[1;32m    451\u001b[0m     \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_raise_timeout(err\u001b[38;5;241m=\u001b[39me, url\u001b[38;5;241m=\u001b[39murl, timeout_value\u001b[38;5;241m=\u001b[39mread_timeout)\n",
+      "File \u001b[0;32m<string>:3\u001b[0m, in \u001b[0;36mraise_from\u001b[0;34m(value, from_value)\u001b[0m\n",
+      "File \u001b[0;32m~/pybroker/.venv/lib/python3.9/site-packages/urllib3/connectionpool.py:444\u001b[0m, in \u001b[0;36mHTTPConnectionPool._make_request\u001b[0;34m(self, conn, method, url, timeout, chunked, **httplib_request_kw)\u001b[0m\n\u001b[1;32m    441\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mTypeError\u001b[39;00m:\n\u001b[1;32m    442\u001b[0m     \u001b[38;5;66;03m# Python 3\u001b[39;00m\n\u001b[1;32m    443\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[0;32m--> 444\u001b[0m         httplib_response \u001b[38;5;241m=\u001b[39m \u001b[43mconn\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mgetresponse\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    445\u001b[0m     \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m \u001b[38;5;28;01mas\u001b[39;00m e:\n\u001b[1;32m    446\u001b[0m         \u001b[38;5;66;03m# Remove the TypeError from the exception chain in\u001b[39;00m\n\u001b[1;32m    447\u001b[0m         \u001b[38;5;66;03m# Python 3 (including for exceptions like SystemExit).\u001b[39;00m\n\u001b[1;32m    448\u001b[0m         \u001b[38;5;66;03m# Otherwise it looks like a bug in the code.\u001b[39;00m\n\u001b[1;32m    449\u001b[0m         six\u001b[38;5;241m.\u001b[39mraise_from(e, \u001b[38;5;28;01mNone\u001b[39;00m)\n",
+      "File \u001b[0;32m~/.asdf/installs/python/3.9.16/lib/python3.9/http/client.py:1377\u001b[0m, in \u001b[0;36mHTTPConnection.getresponse\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m   1375\u001b[0m \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m   1376\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[0;32m-> 1377\u001b[0m         \u001b[43mresponse\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mbegin\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m   1378\u001b[0m     \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mConnectionError\u001b[39;00m:\n\u001b[1;32m   1379\u001b[0m         \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mclose()\n",
+      "File \u001b[0;32m~/.asdf/installs/python/3.9.16/lib/python3.9/http/client.py:320\u001b[0m, in \u001b[0;36mHTTPResponse.begin\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    318\u001b[0m \u001b[38;5;66;03m# read until we get a non-100 response\u001b[39;00m\n\u001b[1;32m    319\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[0;32m--> 320\u001b[0m     version, status, reason \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_read_status\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    321\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m status \u001b[38;5;241m!=\u001b[39m CONTINUE:\n\u001b[1;32m    322\u001b[0m         \u001b[38;5;28;01mbreak\u001b[39;00m\n",
+      "File \u001b[0;32m~/.asdf/installs/python/3.9.16/lib/python3.9/http/client.py:281\u001b[0m, in \u001b[0;36mHTTPResponse._read_status\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    280\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21m_read_status\u001b[39m(\u001b[38;5;28mself\u001b[39m):\n\u001b[0;32m--> 281\u001b[0m     line \u001b[38;5;241m=\u001b[39m \u001b[38;5;28mstr\u001b[39m(\u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mfp\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mreadline\u001b[49m\u001b[43m(\u001b[49m\u001b[43m_MAXLINE\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m+\u001b[39;49m\u001b[43m \u001b[49m\u001b[38;5;241;43m1\u001b[39;49m\u001b[43m)\u001b[49m, \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124miso-8859-1\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[1;32m    282\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mlen\u001b[39m(line) \u001b[38;5;241m>\u001b[39m _MAXLINE:\n\u001b[1;32m    283\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m LineTooLong(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mstatus line\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n",
+      "File \u001b[0;32m~/.asdf/installs/python/3.9.16/lib/python3.9/socket.py:704\u001b[0m, in \u001b[0;36mSocketIO.readinto\u001b[0;34m(self, b)\u001b[0m\n\u001b[1;32m    702\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m    703\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[0;32m--> 704\u001b[0m         \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_sock\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mrecv_into\u001b[49m\u001b[43m(\u001b[49m\u001b[43mb\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m    705\u001b[0m     \u001b[38;5;28;01mexcept\u001b[39;00m timeout:\n\u001b[1;32m    706\u001b[0m         \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_timeout_occurred \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;01mTrue\u001b[39;00m\n",
+      "File \u001b[0;32m~/.asdf/installs/python/3.9.16/lib/python3.9/ssl.py:1242\u001b[0m, in \u001b[0;36mSSLSocket.recv_into\u001b[0;34m(self, buffer, nbytes, flags)\u001b[0m\n\u001b[1;32m   1238\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m flags \u001b[38;5;241m!=\u001b[39m \u001b[38;5;241m0\u001b[39m:\n\u001b[1;32m   1239\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m(\n\u001b[1;32m   1240\u001b[0m           \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mnon-zero flags not allowed in calls to recv_into() on \u001b[39m\u001b[38;5;132;01m%s\u001b[39;00m\u001b[38;5;124m\"\u001b[39m \u001b[38;5;241m%\u001b[39m\n\u001b[1;32m   1241\u001b[0m           \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m\u001b[38;5;18m__class__\u001b[39m)\n\u001b[0;32m-> 1242\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mread\u001b[49m\u001b[43m(\u001b[49m\u001b[43mnbytes\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mbuffer\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m   1243\u001b[0m \u001b[38;5;28;01melse\u001b[39;00m:\n\u001b[1;32m   1244\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28msuper\u001b[39m()\u001b[38;5;241m.\u001b[39mrecv_into(buffer, nbytes, flags)\n",
+      "File \u001b[0;32m~/.asdf/installs/python/3.9.16/lib/python3.9/ssl.py:1100\u001b[0m, in \u001b[0;36mSSLSocket.read\u001b[0;34m(self, len, buffer)\u001b[0m\n\u001b[1;32m   1098\u001b[0m \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m   1099\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m buffer \u001b[38;5;129;01mis\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m \u001b[38;5;28;01mNone\u001b[39;00m:\n\u001b[0;32m-> 1100\u001b[0m         \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_sslobj\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mread\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;28;43mlen\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mbuffer\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m   1101\u001b[0m     \u001b[38;5;28;01melse\u001b[39;00m:\n\u001b[1;32m   1102\u001b[0m         \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_sslobj\u001b[38;5;241m.\u001b[39mread(\u001b[38;5;28mlen\u001b[39m)\n",
+      "\u001b[0;31mKeyboardInterrupt\u001b[0m: "
+     ]
     }
    ],
    "source": [
@@ -372,7 +1172,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": null,
    "id": "d66daaee",
    "metadata": {
     "ExecuteTime": {
@@ -380,34 +1180,22 @@
      "start_time": "2023-08-15T11:36:25.623249Z"
     }
    },
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Loading bar data...\n",
-      "Loaded bar data: 0:00:01 \n"
-     ]
-    },
-    {
-     "data": {
-      "text/plain": "          date     symbol   open   high    low  close   volume\n0   2021-03-01  000001.SZ  21.54  21.68  21.18  21.45  1125387\n1   2021-03-01  600000.SH  10.59  10.64  10.50  10.58   547461\n2   2021-03-02  000001.SZ  21.62  22.15  21.26  21.65  1473425\n3   2021-03-02  600000.SH  10.61  10.70  10.36  10.47   747631\n4   2021-03-03  000001.SZ  21.58  23.08  21.46  23.01  1919635\n..         ...        ...    ...    ...    ...    ...      ...\n969 2023-02-27  600000.SH   7.16   7.20   7.16   7.16   158006\n970 2023-02-28  000001.SZ  13.75  13.85  13.61  13.78   607936\n971 2023-02-28  600000.SH   7.18   7.20   7.14   7.18   174481\n972 2023-03-01  000001.SZ  13.80  14.19  13.74  14.17  1223452\n973 2023-03-01  600000.SH   7.17   7.27   7.17   7.26   256613\n\n[974 rows x 7 columns]",
-      "text/html": "<div>\n<style scoped>\n    .dataframe tbody tr th:only-of-type {\n        vertical-align: middle;\n    }\n\n    .dataframe tbody tr th {\n        vertical-align: top;\n    }\n\n    .dataframe thead th {\n        text-align: right;\n    }\n</style>\n<table border=\"1\" class=\"dataframe\">\n  <thead>\n    <tr style=\"text-align: right;\">\n      <th></th>\n      <th>date</th>\n      <th>symbol</th>\n      <th>open</th>\n      <th>high</th>\n      <th>low</th>\n      <th>close</th>\n      <th>volume</th>\n    </tr>\n  </thead>\n  <tbody>\n    <tr>\n      <th>0</th>\n      <td>2021-03-01</td>\n      <td>000001.SZ</td>\n      <td>21.54</td>\n      <td>21.68</td>\n      <td>21.18</td>\n      <td>21.45</td>\n      <td>1125387</td>\n    </tr>\n    <tr>\n      <th>1</th>\n      <td>2021-03-01</td>\n      <td>600000.SH</td>\n      <td>10.59</td>\n      <td>10.64</td>\n      <td>10.50</td>\n      <td>10.58</td>\n      <td>547461</td>\n    </tr>\n    <tr>\n      <th>2</th>\n      <td>2021-03-02</td>\n      <td>000001.SZ</td>\n      <td>21.62</td>\n      <td>22.15</td>\n      <td>21.26</td>\n      <td>21.65</td>\n      <td>1473425</td>\n    </tr>\n    <tr>\n      <th>3</th>\n      <td>2021-03-02</td>\n      <td>600000.SH</td>\n      <td>10.61</td>\n      <td>10.70</td>\n      <td>10.36</td>\n      <td>10.47</td>\n      <td>747631</td>\n    </tr>\n    <tr>\n      <th>4</th>\n      <td>2021-03-03</td>\n      <td>000001.SZ</td>\n      <td>21.58</td>\n      <td>23.08</td>\n      <td>21.46</td>\n      <td>23.01</td>\n      <td>1919635</td>\n    </tr>\n    <tr>\n      <th>...</th>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n      <td>...</td>\n    </tr>\n    <tr>\n      <th>969</th>\n      <td>2023-02-27</td>\n      <td>600000.SH</td>\n      <td>7.16</td>\n      <td>7.20</td>\n      <td>7.16</td>\n      <td>7.16</td>\n      <td>158006</td>\n    </tr>\n    <tr>\n      <th>970</th>\n      <td>2023-02-28</td>\n      <td>000001.SZ</td>\n      <td>13.75</td>\n      <td>13.85</td>\n      <td>13.61</td>\n      <td>13.78</td>\n      <td>607936</td>\n    </tr>\n    <tr>\n      <th>971</th>\n      <td>2023-02-28</td>\n      <td>600000.SH</td>\n      <td>7.18</td>\n      <td>7.20</td>\n      <td>7.14</td>\n      <td>7.18</td>\n      <td>174481</td>\n    </tr>\n    <tr>\n      <th>972</th>\n      <td>2023-03-01</td>\n      <td>000001.SZ</td>\n      <td>13.80</td>\n      <td>14.19</td>\n      <td>13.74</td>\n      <td>14.17</td>\n      <td>1223452</td>\n    </tr>\n    <tr>\n      <th>973</th>\n      <td>2023-03-01</td>\n      <td>600000.SH</td>\n      <td>7.17</td>\n      <td>7.27</td>\n      <td>7.17</td>\n      <td>7.26</td>\n      <td>256613</td>\n    </tr>\n  </tbody>\n</table>\n<p>974 rows × 7 columns</p>\n</div>"
-     },
-     "execution_count": 10,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
+   "outputs": [],
    "source": [
     "from pybroker.ext.data import AKShare\n",
     "\n",
-    "# You can set adjust to 'qfq' or 'hfq' to adjust the data, \n",
-    "# and set timeframe to '1d', '1w', '1mo' to get daily, weekly, monthly data\n",
-    "akshare = AKShare(adjust=\"\", timeframe=\"1d\")\n",
+    "akshare = AKShare()\n",
     "# You can substitute 000001.SZ with 000001, and it will still work!\n",
     "# and you can set start_date as \"20210301\" format\n",
-    "df = akshare.query(symbols=['000001.SZ', '600000.SH'], start_date='3/1/2021', end_date='3/1/2023')\n",
+    "# You can also set adjust to 'qfq' or 'hfq' to adjust the data, \n",
+    "# and set timeframe to '1d', '1w' to get daily, weekly data\n",
+    "df = akshare.query(\n",
+    "    symbols=['000001.SZ', '600000.SH'], \n",
+    "    start_date='3/1/2021', \n",
+    "    end_date='3/1/2023',\n",
+    "    adjust=\"\", \n",
+    "    timeframe=\"1d\",\n",
+    ")\n",
     "df"
    ]
   },