Is BIST open on Wednesday 19 May 1999?
No
No. BIST is closed on Wednesday 19 May 1999 for Commemoration of Atatürk, Youth and Sports Day. It reopens on Thursday 20 May 1999.
Commemoration of Atatürk, Youth and Sports Day
See also BIST hours today and BIST holidays 1999
LSE
Xetra
Euronext Paris
SIX
NYSE
TSX
B3
TSE Tokyo
HKEX