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 falls on Tuesday, August 11, 2026.

What that day looks like

The Tokyo Stock Exchange was closed all day on Mountain Day 2026, Tuesday August 11. The NYSE, NASDAQ, TSX, LSE, ASX, SSE, HKEX, NSE and BSE traded as usual. On Monday August 10 the S&P 500 fell 0.03%, Nasdaq 100 slipped 0.30% and Dow Jones dropped 0.12%. When trading resumed on Wednesday August 12 the S&P 500 rose 0.25%, Nasdaq 100 climbed 0.73% while the Dow Jones edged down 0.02%. The CNN Fear & Greed Index was at 60, indicating Greed, in the last reading before the holiday.

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