The traditional stock market hours, from 9:30 a.m. to 4 p.m., complete with opening and closing bells dating back to the 1870s, are becoming outdated. This shift represents the most significant change in market structure since electronic trading replaced the physical trading floor.
Wall Street is now embracing the continuous trading model popularized by cryptocurrencies and prediction markets to satisfy a new generation of retail traders who demand round-the-clock access.
Major exchanges like the NYSE and Nasdaq are working to extend their trading hours to 22 and 24 hours per day, respectively, with some platforms aiming for launches before the end of the year.
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This transition marks a fundamental evolution in market structure, reflecting both technological advancements and changing investor behavior.
Author’s summary: The stock market's move to nearly 24/7 trading reflects a major shift driven by growing retail participation and the influence of always-on digital markets.