The US market is open Mondays to Fridays from 9.30 am to 4 pm EST except on US trading holidays. The orders will be queued if placed outside market hours, except for limit good-to-day (GTD) orders which can be executed in extended hours (9 am - 9.30 am EST and 4 pm -6 pm EST) as well.
All other order types will only be executed during market hours (9.30 am - 4 pm EST). Kindly note we do not do pre-market trading.
Here is a quick summary of the supported time slots for different order types: