Is the Stock Market Open Today? The primary US stock exchanges, including the NYSE and Nasdaq, are operating under a standard schedule today, Friday, December 26. Investors can expect the opening bell to ring at 9:30 a.m. ET, with the core session concluding at 4:00 p.m. ET. Dow Jones, S&P 500, and Nasdaq Composite resume full sessions—no early close today. Traders eye rebound plays after December 25 shutdown and Christmas Eve's 1 p.m. ET cutoff on December 24.