Discussions
Option LMT orders rejected during RTH with “not eligible for extended hours trading” (code=1200) — did the server-side default for outside_rth change
16 days ago by Bing Xie
Account 55523457 (standard account), Python SDK tigeropen 3.7.0. On 2026-10-19 at 15:49 and 15:52 ET (regular trading hours), two LMT SELL orders for the option QQQ 261120C00720000 were both rejected: code=1200 standard account response error(bad_request:This symbol is not eligible for extended hours trading). The request did not include outside_rth (the SDK leaves it out when it is None). On 2026-10-16 the same account bought the same contract the same way, and the order was accepted and filled, with outside_rth stored as False. Questions: did the server-side default for outside_rth, or its checks on option orders, change between 10-16 and 10-19? Was there an announcement?