Home » Crypto Market News » Nasdaq’s 23-Hour Trading Plan Could Narrow Crypto’s 24/7 Advantage Nasdaq will add overnight U.S. stock trading in December, reducing one of crypto’s clearest advantages over traditional markets. Nasdaq, the U.S. stock exchange operator, plans to add an overnight trading session beginning December 6, extending trading in its U.S. equities market to 23 hours a day, five days a week.