It is "Regular Trading Hours" just not for all exchanges. As the article you pointed to indicates, you need to select the exchange "IBEOS". Apparently an exchange name of "OVERNIGHT" works as well. tickByTickBidAsk should therefore provide data during the overnight session as long as the Contract object for the subscription call specifies one of those two exchanges. I say should since I have not tried that yet. But that is how market data selection works.
From the ContractDetails object for AAA:
"exchange" : "IBEOS",
"tradingHours" : "20230806:2000-20230807:0350;20230807:2000-20230808:0350;20230808:2000-20230809:0350;20230809:2000-20230810:0350;20230810:2000-20230811:0350"
"exchange" : "OVERNIGHT",
"tradingHours" : "20230806:2000-20230807:0350;20230807:2000-20230808:0350;20230808:2000-20230809:0350;20230809:2000-20230810:0350;20230810:2000-20230811:0350"
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On Mon, Aug 7, 2023 at 01:11 PM, <TrumX@...> wrote:
Hi! Thanks for your answer.
?
I'm talking about?
It is different from regular/ OutsideRTH.
