24-Hour Trading: Money Doesn’t Sleep, but It’s Okay if You Do
John Lohse | Portfolio Strategist, Model Portfolio Management
Last Updated: August 06, 2026
LSE 24: The London Stock Exchange Moves Toward Extended-Hours Trading
For generations, investors have operated within the framework of fixed exchange trading hours. That model is increasingly being challenged as global markets evolve. In July 2026, the London Stock Exchange (LSE) unveiled plans for LSE 24, a new trading venue intended to facilitate near-continuous trading throughout the business week. The initiative reflects a broader shift in market structure as advances in technology, changing investor preferences, and intensifying competition drive exchanges to expand beyond traditional trading sessions. This, too, comes after Nasdaq filed for SEC approval to extend the Nasdaq Stock Market trading hours to 23 hours a day late last year, adding on to their current extended market hours trading window.
What Is LSE 24?
LSE 24 is a new trading venue that will operate alongside, rather than within, the London Stock Exchange’s Main Market. Designed to facilitate near-continuous trading during the business week, the platform will provide market access beyond traditional UK trading hours. According to the London Stock Exchange Group (LSEG), client testing is expected to begin by year-end 2026, with exchange-traded products (ETPs) projected to be the first instruments available for trading in the first half of 2027, subject to regulatory approval.
The venue is expected to operate during overnight hours, approximately 5:00 p.m. to 7:50 a.m. London time, complementing the existing trading session rather than replacing it. While ETPs are the initial focus, LSEG has indicated the platform could ultimately expand to support individual equities.
Why Is LSE Making This Move?
The primary driver behind LSE 24 is a shift in how investors engage with financial markets. In an environment where news, data, and risk events unfold around the clock, demand for more flexible access to trading continues to grow.
The rise of cryptocurrencies and extended-hours in U.S. equity trading has increased investor demand for near-continuous market access. Longer trading windows allow participants to react to developments in real time, while exchanges aim to improve liquidity and flexibility across global markets. Extended trading may also enhance price discovery by spreading market adjustments over a longer period, rather than concentrating them at the opening bell after major news events.
Potential Benefits
From a trader’s perspective, the appeal of extended-hours trading is straightforward. Greater flexibility allows market participants worldwide to react to breaking developments without waiting for the next session to open. Extended trading also improves access across time zones, strengthening London’s role as a bridge between Asian and North American markets. In addition, longer trading windows may support broader participation, with LSEG aiming to expand investor access and attract liquidity beyond traditional market hours.
The Challenges Should Not Be Overlooked
Financial advisors should also recognize that extended trading hours introduce potential complications.
Liquidity outside core trading hours can be significantly lower than during the primary session, depending on how widely these markets are utilized. Lower participation often translates into wider bid-ask spreads, larger price swings, and potentially higher execution costs.
Price discovery may also become fragmented. When trading occurs almost continuously, investors must determine which market session carries the greatest informational value. A headline-driven overnight move may not always reflect the equilibrium price that develops when institutional participation is at its highest during regular trading hours.
Furthermore, around-the-clock markets can create behavioral challenges. More opportunities to trade do not necessarily improve long-term investment outcomes. In many cases, increased access can encourage excessive trading, a tendency that advisors have long worked to discourage among clients. While markets may remain open, disciplined investment processes should remain unchanged.
The Bigger Picture
LSE 24 is about more than extending trading hours. It reflects a broader shift toward more accessible, technology-driven capital markets, as exchanges compete on connectivity and convenience as much as liquidity. While the long-term adoption of near-continuous trading remains uncertain, investor demand for greater access is clearly shaping market evolution.
For financial advisors, the key takeaway is not increased trading activity but the rapid modernization of market infrastructure. LSE 24 highlights how exchanges are adapting to a world of constant information flow. However, through it all, long-term investment success still depends far more on asset allocation, diversification, adherence to a well-formulated plan, and discipline than on the ability to trade around the clock.
Important Disclosures
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