When Do Markets Open?

Is the stock market open on Mountain Day 2026?

US markets trade as normal on Mountain Day. It closes the Tokyo Stock Exchange.

Mountain Day 2026 is observed on Tuesday, August 11, 2026.

What that day looks like

Mountain Day 2026 was on Tuesday, August 11. The TSE was closed all day, while the NYSE, NASDAQ, TSX, LSE, ASX, SSE, HKEX, NSE and BSE traded as normal. No session records are provided for dates before or after the holiday. The closure applied only to the TSE; all other listed exchanges operated on their regular schedules.

AI-generated from this page's data only (openai/gpt-oss-120b, gates ok). Informational only — not investment advice.

Every tracked exchange on Tuesday, August 11, 2026

What this means for trading

TSE do not trade, so orders placed that day queue for the next session. NYSE, NASDAQ, TSX, LSE, ASX, SSE, HKEX, NSE, BSE keep their normal hours, so global markets still price news that day.

See what the market did on Tuesday, August 11, 2026 →

Other 2026 closures