Is SIX open on Monday 25 May 2026?

No. SIX is closed on Monday 25 May 2026 for Whit Monday. It reopens on Tuesday 26 May 2026.

Whit Monday

Related markets on 25 May 2026

LSE	Spring Bank Holiday
Xetra	09:00–17:30
Euronext Paris	09:00–17:30
NYSE	Memorial Day
Nasdaq	Memorial Day
TSX	09:30–16:00
B3	10:00–18:00
TSE Tokyo	09:00–15:30
HKEX	The Buddha's Birthday (observed)
SSE	09:30–15:00