When Does the ETF Market Open? The ETF market opens at 9:30 a.m. EST on Monday morning. The market is open from 9:30 a.m. to 4:00 p.m. EST on Monday through Thursday, and is open from 9:30 a.m. to 1:00 p.m. EST on Friday. ETFs are traded on the New York Stock Exchange (NYSE), and […]