Nasdaq Plans Seamless 23-Hour Trading Session Handoff
Published Date: 6/4/2026
Notice
Summary
Nasdaq is updating its rules to create a quick handoff between its Day and Night trading sessions for stocks and exchange-traded products. This change helps keep trading smooth and steady during the switch, happening 23 hours a day, five days a week. Traders and investors can expect seamless transitions with no extra costs or delays starting right away.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Night-to-Day Momentary Handoff
When Nasdaq begins 23/5 trading, it will perform a short, momentary handoff as it moves from the Night Session to the Day Session to avoid overlapping data. Night Session orders will be canceled “just prior to” 4:00 a.m. ET (instead of “as of” 4:00 a.m. ET), and the Exchange will accept new Day Session orders again at 4:00 a.m. ET.
8:00–9:00 p.m. Day-to-Night Pause
On weekdays Nasdaq will pause trading each day between 8:00 p.m. ET and 9:00 p.m. ET to perform maintenance, testing, and process corporate actions. At the Day Session conclusion, Nasdaq will cancel all orders outstanding at 8:00 p.m. ET before the Night Session begins at 9:00 p.m. ET.
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