Global Stock Exchanges Prepare for 24-Hour Trading
Major stock exchanges worldwide are gearing up for a significant shift towards round-the-clock trading, a move pioneered by Nasdaq. The exchange plans to extend its trading hours to nearly 23 hours a day, five days a week, starting December 6th, pending SEC approval. This expansion aims to accommodate the changing needs of global investors, who increasingly expect market access that aligns with their own time zones and daily routines, similar to the accessibility of mobile applications.
The extended trading sessions will introduce a new window from 9 PM to 4 AM Eastern Time, effectively creating a continuous trading week from Sunday evening to Friday evening, with a one-hour daily maintenance break. This initiative is driven by the globalization of financial markets, with foreign holdings in the US market having doubled in recent years, and the need for exchanges to remain competitive against alternative trading platforms, such as those offering continuous cryptocurrency trading.
Several other major exchanges, including the New York Stock Exchange and the London Stock Exchange, are also planning similar extensions, with timelines set for 2026 and 2027 respectively. Euronext, operating exchanges across Europe, and the Korea Exchange have also indicated or implemented moves towards longer trading hours to broaden investor access and participation.
However, the transition is not without its challenges. Concerns have been raised about potentially fragmented liquidity and wider bid-ask spreads during off-peak hours due to lower trading volumes. Some market participants, like Deutsche Börse CEO Stephan Leithner, argue that large investors prefer concentrated trading periods for efficiency and liquidity. The extended hours may also place additional demands on financial industry employees, requiring them to work longer shifts.
In Israel, the Tel Aviv Stock Exchange is exploring a similar expansion, with joint working teams from the Israel Securities Authority and the exchange examining the possibility of introducing late trading sessions from 5:30 PM to 11:00 PM by 2027. This move is intended to increase foreign investment and better integrate the local market with global financial hubs, building on the success of the shift to a Sunday-Thursday trading week.