From 2026-09-14, KRX adds a 16:00–20:00 after-market session alongside the unchanged 09:00–15:30 main session.
A planned 07:00–07:50 pre-market session has been postponed again, now targeted for end of 2027.
| 2026-09-24 | Chuseok holiday | Closed |
| 2026-09-25 | Chuseok | Closed |
| 2026-10-05 | National Foundation Day (observed) | Closed |
| 2026-10-09 | Hangul Day | Closed |
| 2026-12-25 | Christmas | Closed |
| 2026-12-31 | Year-end market closure | Closed |
Times are the exchange's own published sessions and holiday calendar. A shortened trading day (early close) is shown as such, not as a full holiday.