| Name | Type | Description | Notes |
|---|---|---|---|
| T | float64 | Unix timestamp in seconds | [optional] |
| V | int64 | size volume (contract size). Only returned if `contract` is not prefixed | [optional] |
| C | string | Close price (quote currency, unit: underlying corresponding option price) | [optional] |
| H | string | Highest price (quote currency, unit: underlying corresponding option price) | [optional] |
| L | string | Lowest price (quote currency, unit: underlying corresponding option price) | [optional] |
| O | string | Open price (quote currency, unit: underlying corresponding option price) | [optional] |