---
title: "JPX on 12 Aug 2027: Open after Mountain Day"
date: "2027-08-12"
data_version: "2026.10.22-rc.1"
ui_version: "1.13.79"
canonical: "https://marketsopen.today/jpx/2027-08-12"
status: "verified"
status_reason: null
source_published_at: null
last_verified_at: "2026-10-06"
generated_at: "2026-11-13T18:25:26Z"
---

# JPX on 12 Aug 2027: Open after Mountain Day

> Japan Exchange Group (Tokyo Stock Exchange) (JPX) on Thursday 12 August 2027 (Asia/Tokyo): Open. First trading day after Mountain Day. Basis: exchange holiday notices, source-checked 22 Oct 2026.

Thu 12 Aug 2027 (Asia/Tokyo): Open. First trading day after Mountain Day. Source-checked 22 Oct 2026.

- Canonical: https://marketsopen.today/jpx/2027-08-12
- English: https://marketsopen.today/jpx/2027-08-12 · Chinese: https://marketsopen.today/zh/jpx/2027-08-12
- data_version: 2026.10.22-rc.1 · ui_version: 1.13.79 · status: verified · source_published_at: null · last_verified_at: 2026-10-06 · generated_at: 2026-11-13T18:25:26Z

## Markets on 12 August 2027

| Exchange | Day session | Night session (civil evening) | Reason |
| --- | --- | --- | --- |
| JPX | OPEN | No night session | — |

## Sources

- JPX: https://www.jpx.co.jp/english/corporate/about-jpx/calendar/index.html

## Cite

Markets Open, “JPX on 12 Aug 2027: Open after Mountain Day”, https://marketsopen.today/jpx/2027-08-12

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