Requesting Historical Bars
EClient.reqHistoricalData(
reqId: int, A unique identifier which will serve to identify the incoming data.
contract: Contract, The IBApi.Contract object you are working with.
endDateTime: String, The request’s end date and time. This should be formatted as “YYYYMMDD HH:mm:ss TMZ” or an empty string indicates current present moment).
Please be aware that endDateTime must be left as an empty string when requesting continuous futures contracts.
[durationStr:](/tws-api/doc/market-data-historical/historical-bars/duration) String, The amount of time (or Valid Duration String units) to go back from the request’s given end date and time.
[barSizeSetting:](/tws-api/doc/market-data-historical/historical-bars/historical-bar-sizes) String, The data’s granularity or Valid Bar Sizes
[whatToShow:](/tws-api/doc/market-data-historical/historical-bar-what-to-show/introduction) String, The type of data to retrieve. See Historical Data Types
useRTH: bool, Whether (1) or not (0) to retrieve data generated only within Regular Trading Hours (RTH)
[formatDate:](/tws-api/doc/market-data-historical/historical-bars/format-date-received) bool, The format in which the incoming bars’ date should be presented. Note that for day bars, only yyyyMMdd format is available.
[keepUpToDate:](/tws-api/doc/market-data-historical/historical-bars/keep-up-to-date) bool, Whether a subscription is made to return updates of unfinished real time bars as they are available (True), or all data is returned on a one-time basis (False). If True, and endDateTime cannot be specified.
Supported whatToShow values: Trades, Midpoint, Bid, Ask.
chartOptions: TagValueList, This is a field used exclusively for internal use.
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