Is Euronext Paris open on Sunday 21 May 2017?
No
No. Euronext Paris does not trade on Sundays. It reopens on Monday 22 May 2017.
No trading
See also Euronext Paris hours today and Euronext Paris holidays 2017
LSE
Xetra
SIX
NYSE
TSX
B3
TSE Tokyo
HKEX
SSE