reqId | int32 | Unique request identifier used for tracking across EWrapper |
exchange | string | The destination exchange. |
underlyingConId | int32 | IBKR Contract Identifier of the underlying contract. |
tradingClass | string | The trading class name for this contract. Available in TWS contract description window as well. For example, GBL Dec ‘13 future’s trading class is “FGBL” |
multiplier | string | The instrument’s multiplier (i.e. options, futures). |
expirations | string | A list of the expiries for the options of this underlying on this exchange |
strikes | double | The list of strikes for the given contract. |