Is LSE open on Monday 4 May 1998?

No. LSE is closed on Monday 4 May 1998 for Early May Bank Holiday. It reopens on Tuesday 5 May 1998.

Early May Bank Holiday

Related markets on 4 May 1998

UK Bonds	May Day
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	10:00–17:00
TSE Tokyo	Citizen's Holiday Golden Week
HKEX	Market holiday