| Name | Type | Description |
|---|---|---|
| date | date | The date on which the adjustment occurred. The adjustment should be applied to all stock prices before this date. |
| factor | float | The factor by which to multiply stock prices before this date, in order to calculate historically-adjusted stock prices. |
| dividend | float | The dividend amount, if a dividend was paid. |
| dividend_currency | str | The currency of the dividend, if known. |
| split_ratio | float | The ratio of the stock split, if a stock split occurred. |