Nasdaq Plans to Add Overnight Trading Session, Approaching 24-Hour Trading

Key Highlights

• Nasdaq announced plans to add an overnight trading session.
• The new session would run from 9 PM to 4 AM ET, starting Sunday, December 6.
• Combined with existing sessions, the exchange would offer trading for nearly 23 hours per day.
• The plan is subject to SEC approval.

The Nasdaq announced it plans to add an overnight trading session, allowing investors to trade stocks for nearly 23 hours per day.

What Happened

Starting on Sunday, December 6, Nasdaq aims to offer a night session from 9 PM to 4 AM ET, giving investors in Asia and Europe broader access to trading in their time zones.

The new session would be in addition to Nasdaq's existing premarket session, which runs from 4 AM to 9:30 AM, and the after-hours session, from 4 PM to 8 PM ET.

The move would position Nasdaq alongside a broader industry push toward extended trading hours, as exchanges and brokerages have increasingly explored ways to accommodate international Demand for US equities outside of traditional domestic market hours.

Market Reaction

The move is subject to SEC approval before it can take effect, meaning the December 6 target date remains contingent on regulatory sign-off.

In a statement, Nasdaq said, "Global investor needs have evolved, and we're responding with a deliberate, disciplined approach that prioritizes market integrity and investor confidence above all else."

Extended and overnight trading sessions have historically come with lower Liquidity and wider bid-ask spreads than regular market hours, factors that regulators and Market Participants alike are likely to scrutinize closely as part of the SEC's review process.

Outlook

The SEC approval process represents the key near-term milestone determining whether the overnight session launches as planned; if approved, the expanded hours would bring Nasdaq closer to round-the-clock trading and could reshape how international investors access the exchange.

Other exchanges and trading venues have made similar moves toward extended hours in recent periods, and Nasdaq's proposal, if approved, would represent one of the most significant steps yet by a major US exchange toward continuous, near round-the-clock Equity trading.