Is TWSE open on Monday 31 December 2040?
No
No. TWSE is closed on Monday 31 December 2040 for New Year's Day. It reopens on Wednesday 2 January 2041.
New Year's Day
See also TWSE hours today and TWSE holidays 2040
TSE Tokyo
HKEX
SSE
KRX
NSE
SGX
ASX
NYSE
TSX