Hello EveryBody,
I am training IAs with Tensorflow to determine optimal trading strategies by seconds slices but there are some dark points that I don't understand in the API.
When I place an order with SetHoldings in OnData Event : At which time of the Algorithm is the Trade filled in BackTest with DataSlices ? Is it filled right away or at the end of the OnData Method and before the next OnData? Is it :
OnData Begin(data slice) ===> order place ===> OnData End ===> order filled ===> On data(next data slice) ?
Or
OnData Begin(data slice) ===> order place ===> order filled ===> OnData End ===> On Data(next data slice) ?
Or
OnData Begin(data slice) ===> order place (independently of which slice) ===> OnData End ===> OnData(next data slice)
So in the last scenario, the order is filled indepedently of which Data Slice I'm In, so the faster my strategy construction is, the faster I can place an order. In that case, if I determine a strategy for this second to the next and the strategy calculation is longer than 1 second (if Data Slices are 1 second), the order is pointless...
Thanks It would help a lot
Michael Manus
hi,
such things you could test with a simple log output. just use the
OnOrderEvent (see documentation)if you want to test when it is executed.
also search the community on interactive brokers experience. i think an marketorder from sending to executing takes 2 seconds minimum.
David Kas
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