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Exchanges Expand Trading Hours Amid Surge in Overnight Volume

2 reports, 1 independent Updated Oct 12
Gone quiet
Reports
2
Developments
1
Repetition
50%

New informationRepeats or wire copies

AI-generated briefing. Brind wrote this from the reports listed below. It can be wrong. Each section says how much you can rely on it, and the sources are linked so you can check.

What happened

Some supportReported by 1 outlet

Overnight U.S. equity trading volume increased 359% year-on-year in August 2026, though this volume still represented only 0.9% of the National Market System share volume, according to the U.S. Securities and Exchange Commission. Nasdaq plans to introduce a near-23-hour trading day on December 6, subject to regulatory requirements, while the London Stock Exchange is developing LSE 24, a separate 24/5 venue targeted for 2027. The U.S. Securities and Exchange Commission held a September roundtable regarding preparations for near-continuous U.S. equity trading.

From tradersmagazine.com

Why it matters

Some supportBrind's analysis of the reports

The growth in overnight trading volume suggests increased investor access outside traditional sessions, but the volume remains highly concentrated, with ten stocks accounting for 43.4% of overnight share volume. This trend, combined with the expansion of trading hours by exchanges, raises questions about market depth and liquidity during non-traditional hours.

From tradersmagazine.com

Who's involved

  • SECMonitoring market infrastructure changes and holding regulatory roundtables.
  • NasdaqPlanning to introduce a near-23-hour trading day.
  • London Stock ExchangeDeveloping LSE 24, a separate 24/5 trading venue.

Who could feel it

Possible knock-on effects

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Coverage

Newest first; wire copies grouped