Yes, Explanation Trading hours The US stock market is normally open Monday to Friday from 9:30 AM ET to 4 PM ET, 1(888) 751-2164 (US)A, excluding holidays But 1(888) 751-2164(US)A,, Robinhood provides extended-hours trading and the 24 Hour Market, which enables trading during off-hours. https://support.google.com/edu/classroom/thread/336576320?hl=en&sjid=13082932423085447317-NA