Is MOEX open on Monday 10 May 2049?

No. MOEX is closed on Monday 10 May 2049 for Victory Day. It reopens on Tuesday 11 May 2049.

Victory Day

Related markets on 10 May 2049

LSE	08:00–16:30
Xetra	09:00–17:30
Euronext Paris	09:00–17:30
SIX	09:00–17:30
NYSE	09:30–16:00
Nasdaq	09:30–16:00
TSX	09:30–16:00
B3	10:00–18:00
TSE Tokyo	09:00–15:30
HKEX	The Buddha's Birthday (observed)