Strasmore Research

Market hours

When US markets trade, including holidays, early closes, and the pre-market and after-hours sessions, from the exchange calendar and the tape.

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What Time Do Options Stop Trading?

What time do options stop trading? Most stop at 4:00 p.m. ET, while broad index options keep printing until 4:15. See the exact last print, minute by minute.

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Trading US 0DTE Options From Japan

Trading US 0DTE options from Japan puts the opening bell at 22:30 JST. See the session on the Japanese clock, hourly volume, spreads and access mechanics.

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Is the Stock Market Open Today?

Is the US stock market open today? A computed open/closed status, today's calendar, every upcoming holiday, and what happens to orders placed while it's closed.