Colocaste a opção de DAY ou GTC?
Tens a opção "after hours" activa?
Eu já tive ordens executadas em acções às 23 horas pt.
E quando tenho tempo, ao fazer os earnings sempre o profit e stop foram activados.
Tens de ver melhor essas opções.
Por exemplo, apesar de ser para a CBOE, dá para teres uma ideia para configurares... mas quando colocas GTC ou DAY tens um quadrado para colocares se queres after hours...
etc...
CME (GLOBEX)
Interactive Brokers simulates stop orders in futures contracts to CME (Globex). Simulated stop orders in U.S. futures contracts other than single stock futures will only be triggered during regular NYSE trading hours unless you specify otherwise. To allow stop orders to work outside of regular trading hours, in the TWS order line use the TIF dropdown to check Fill/Trigger outside RTH. If this selection is grayed out, the order is not eligible to work after hours. To set a global default for all eligible Globex stop orders to automatically be set to trigger and fill outside regular hours, on the Configure menu select Order Presets. In the Futures preset, check the Settings entry Allow order to be activated, triggered, or filled outside of regular trading hours.
etc...
ao pesquisar encontrei um pdf.... que tens lá umas coisas que te podem interessar, exemplo:
para fazeres scanners saber
TICK & TRIN Market Indicators
Create a Market Scanner
etc
http://www.interactivebrokers.com/download/TWSGuide.pdfetc..