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Opening Bell Times. The New York Stock Exchange opens at 9:30 a.m. Eastern Time and closes at 4:00 p.m. Eastern Time, but different exchanges open at different times of the day. For example, many futures markets have an opening bell followed by a morning and afternoon session.
How Long is New York Stock Exchange Open? The New York Stock Exchange is open 32.5 hours per week which is average. Most stock exchanges are open 25 to 35 hours per week with 5 days of trading per week. There are several exchanges that are only open 4 days per week and one exchange that is only open 2 days per week.