Is the U.S. stock market open on MLK Day 2026? Will NYSE and Nasdaq trade on Jan. 19. Wall Street stays dark all through Jan. 19. This means no pre-market or after-hours sessions for stocks. The U.S. Treasury market is also fully closed. Expect a return to regular liquidity on Tuesday morning. If you hold options or futures, check specific broker hours, as some contracts may trade on shortened electronic schedules.