| Name | Type | Description |
|---|---|---|
| OpenTime | DateTime? | The UTC timestamp for the time this interval opened. |
| CloseTime | DateTime? | The UTC timestamp for the time this interval closed. |
| Open | decimal? | The first traded contract price in this interval. |
| High | decimal? | The highest traded contract price in this interval. |
| Low | decimal? | The lowest traded contract price in this interval. |
| Close | decimal? | The last traded contract price in this interval. |
| Volume | decimal? | The volume of contract trades in this interval. |
| Average | decimal? | The volume weighted average price of contract trades in this interval. |
| Change | decimal? | The ratio of Close minus Open to Open. |