| Name | Type | Description |
|---|---|---|
| contract | String | The option contract for the intervals |
| change | Number | The ratio of Close minus Open to Open. |
| open | Number | The first traded contract price in this interval. |
| high | Number | The highest traded contract price in this interval. |
| low | Number | The lowest traded contract price in this interval. |
| close | Number | The last traded contract price in this interval. |
| volume | Number | The volume of contracts traded in this interval. |
| average | Number | The volume weighted average price of contract trades in this interval. |
| tradeCount | Number | The number of contract trades executed in this interval |