Image: Whalesbook

US Exchanges Push 24/7 Trading to End After-Hours Manipulation

04 April, 2026.Finance.12 sources

Key Takeaways

U.S. exchanges pursue 24/7 trading to curb after-hours manipulation and improve price discovery.
NYSE partners with BlackRock-backed Securitize to build 24/7 tokenized securities.
Objective: gain market share and reduce manipulation without breaking the existing system.

Traders Benefit, Middlemen Lose

Major US stock exchanges are racing to introduce near 24/7 trading by late 2026.

“Traders are the big winners as 24/7 stocks will finally end the after-hours price 'manipulation' Round-the-clock markets promise freedom for investors and pressure for intermediaries who traditionally wielded immense power during off-hours What to know: - As major U”

@coindesk

Mati Greenspan alleged brokers coordinate to decide the first tradable price after closures.

@coindesk

Whalesbook explained the shift as a strategic effort to gain market share and improve price discovery.

Liquidity Challenges and Regulation

The NYSE has surveyed market participants, but results remain unpublished.

A portfolio manager expressed concern that 24/7 trading could bring more manipulation problems.

CoinDesk

Lower transaction volumes cause bid-ask spreads to widen and intensify volatility.

Academic studies and SEC enforcement actions have found price discovery less efficient outside regular hours.

Investor Demand vs. Operational Costs

The DTCC is extending clearing hours to support 24/5 trading.

“Bitget App Trade smarter Buy cryptoMarketsTradeFuturesEarnSquareMore Bitget News Markets US stock exchanges consider move to 24/7 trading after industry debate intensifies US stock exchanges consider move to 24/7 trading after industry debate intensifies”