Is KRX open on Sunday 31 December 2028?

No

No. KRX does not trade on Sundays.

No trading

See also KRX hours today and KRX holidays 2028

Related markets on 31 Dec 2028

TSE Tokyo	No trading
HKEX	No trading
SSE	No data
NSE	No data
SGX	No data
ASX	No trading
NYSE	No trading
Nasdaq	No trading
TSX	No trading
B3	No trading