Trading days
Answered by the national calendar for KR.
Hours on an ordinary day, Asia/Seoul time: 09:00–15:30
Coming up
| Thu, 19 Nov 2026 | College Scholastic Ability Test; late open | 10:00–16:30 | |
| Fri, 25 Dec 2026 | Christmas Day | ||
| Thu, 31 Dec 2026 | Year-end market holiday | ||
| Fri, 1 Jan 2027 | New Year's Day |
Recently
| Fri, 9 Oct 2026 | Hangul Day | ||
| Mon, 5 Oct 2026 | National Foundation Day | ||
| Fri, 25 Sept 2026 | Chuseok | ||
| Thu, 24 Sept 2026 | Chuseok, the day before |
From the API
The same answers, live, for any date the calendar reaches. Asking whether a venue is open needs no key.
curl https://api.diurn.io/v1/venues/KOCN/status curl "https://api.diurn.io/v1/venues/KOCN/sessions?from=2026-11-06&to=2027-01-07"
Registry record
ISO 10383, as published on 2026-10-12.
| Operating MIC | KOCN |
|---|---|
| Type | OPRT |
| Market name | KOREA ECN SECURITIES CO. LTD (ATS) |
| Market category | ATSS |
| Country | KR |
| City | SEOUL |
| Status | EXPIRED |
| Created | 2003-04-01 |
| Last updated | 2007-09-24 |
| Expires | 2007-09-24 |