Nasdaq to Start 23-Hour Trading in December
The exchange's round-the-clock schedule begins December 6, 2026, with sister exchange NYSE Arca planning a similar launch.
Updated on Nov. 6, 2026 in Investing
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Nasdaq is scheduled to begin 23-hour, five-day-a-week stock trading on December 6, 2026. NYSE Arca is aiming for the same launch date for its overnight sessions.
Why it matters
Extended trading hours could give investors more opportunities to react to news outside the regular session, but thinner overnight volume may cause prices to swing harder. The change also raises questions for retirement plans built on mutual funds that price only once per business day.
The schedule runs 23 hours a day, five days a week, with a one-hour pause from 8 p.m. to 9 p.m. on weeknights. Overnight liquidity and price behavior after launch remain untested, since the sessions have not yet begun.
The players
Nasdaq
Nasdaq is a major American stock exchange known for listing many large technology companies.
NYSE Arca
NYSE Arca is an electronic exchange owned by the New York Stock Exchange that specializes in trading exchange-traded funds.
The details
Nasdaq's night session will run from 9 p.m. to 4 a.m. Eastern time, Sunday through Thursday nights, and listed companies cannot opt out. Individual investors can reach it only through brokerage firms that are exchange members, and many brokers accept only limit orders outside regular hours.
Timeline
December 6, 2026: Scheduled start of Nasdaq 23-hour, five-day trading.
October 22, 2026: Nasdaq reaffirmed the December 6 launch date on an analyst call.
Market Landscape
A 1991-to-1996 study of 66,465 discount brokerage households found the most active traders earned 11.4% a year against a 17.9% market return. Extending trading into overnight hours could make that frequent-trading pattern easier to act on for individual investors.
Investors who trade late will be able to place orders on Nasdaq listings overnight, but many brokers accept only limit orders during these hours. Workers whose 401(k) plans rely on once-daily mutual fund pricing will not see those plans change with the new session.
The takeaway
Before trading overnight, check whether your broker supports the session and use limit orders to control the price you pay. Review how your retirement plan prices its funds so you know when your balances update.
What happens next
Nasdaq's 23-hour trading is scheduled to begin on December 6, 2026, the date NYSE Arca is also targeting for its overnight sessions.
Further reading
Explore more about how these changes affect portfolios in our Investing section.
Source note: This article includes information reported by Money Talks News.
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Would you trade stocks during overnight hours if your broker offered it?
