The stock market is going 24 hours, 7 days a week

The Stock Market Evolves to 24/7 Trading

The traditional stock market hours of 9:30 a.m. to 4 p.m., marked by opening and closing bells dating back to the 1870s, are becoming outdated. Wall Street is quickly adapting to a new era of continuous trading, inspired by the always-on nature of cryptocurrency and prediction markets.

Market Structure Transformation

This move toward round-the-clock trading signifies the most significant shift in market structure since electronic trading replaced physical trading floors. Major exchanges like the NYSE and Nasdaq are extending trading hours to 22 and 24 hours, respectively, with some platforms aiming to launch full-day trading before the end of the year.

Driving Forces Behind the Change

The stock market's genteel 9:30-to-4 workday, complete with opening and closing bells that date back to the 1870s, is becoming as anachronistic as the headsets still worn on the New York Stock Exchange floor.
A shift toward round-the-clock trading represents the most fundamental change to market structure since electronic trading replaced the trading floor.

Originally published in Quartz’s members-only Weekend Brief newsletter, this development reflects evolving investor behavior and technological advancements reshaping how markets operate.

Author's Summary

The stock market is transitioning to nearly 24/7 operations, driven by retail investors and global demand, marking its biggest structural change since electronic trading began.

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qz.com qz.com — 2025-11-04

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