Regular trading hours for the U.S. stock market, including the New York Stock Exchange (NYSE) and the Nasdaq Stock Market (Nasdaq), are 9:30 a.m. to 4 p.m. Eastern time on weekdays (except stock market holidays). On early-closure days, typically right before or right after a market holiday, regular stock trading ends at 1 p.m. ET.
Futu supports Pre-market trading hours and after-hours trading. Pre-market trading hours are from 4 a.m. to 9:30 a.m. ET, and after-hours trading extends from 4 p.m. to 8 p.m. ET.
If the trading day is half-day, after-hours trading extends from 1 p.m. to 5 p.m. ET.