| date |
String |
The date of the price, in the format YYYY-MM-DD |
| close |
Number |
The closing price of the options contract. |
| closeBid |
Number |
The closing bid price of the options contract. |
| closeAsk |
Number |
The closing ask price of the options contract. |
| volume |
Number |
The cumulative volume of this options contract that traded that day. |
| open |
Number |
The price at the beginning of the period |
| openAsk |
Number |
The ask at the beginning of the period |
| openBid |
Number |
The bid at the beginning of the period |
| openInterest |
Number |
The total number of this options contract that are still open. |
| high |
Number |
The highest price over the span of the period |
| low |
Number |
The highest price over the span of the period |
| mark |
Number |
The mid price between the latest bid and ask spread |
| askHigh |
Number |
The highest ask over the span of the period |
| askLow |
Number |
The lowest ask over the span of the period |
| bidHigh |
Number |
The highest bid over the span of the period |
| bidLow |
Number |
The lowest bid over the span of the period |
| impliedVolatility |
Number |
The implied volatility of the contract calculated using the Black-Scholes Model. |
| delta |
Number |
Delta represents the rate of change between the option's price and a $1 change in the underlying asset's price. |
| gamma |
Number |
Gamma represents the rate of change between an option's delta and the underlying asset's price. |
| theta |
Number |
Theta represents the rate of change between the option price and time, or time sensitivity - sometimes known as an option's time decay. |
| vega |
Number |
Vega represents the rate of change between an option's value and the underlying asset's implied volatility. |
| closeTime |
Date |
The time of the last trade before close. |
| closeSize |
Number |
The size of the last trade before close. |
| closeBidTime |
Date |
The time of the last bid before close. |
| closeBidSize |
Number |
The size of the last bid before close. |
| closeAskTime |
Date |
The time of the last ask before close. |
| closeAskSize |
Number |
The size of the last ask before close. |
| exerciseStyle |
String |
The exercise style. |