Is Euronext Lisbon open on Sunday 31 December 2028?

No

No. Euronext Lisbon does not trade on Sundays.

No trading

See also Euronext Lisbon hours today and Euronext Lisbon holidays 2028

Related markets on 31 Dec 2028

LSE	No trading
Xetra	No trading
Euronext Paris	No trading
SIX	No trading
NYSE	No trading
Nasdaq	No trading
TSX	No trading
B3	No trading
TSE Tokyo	No trading
HKEX	No trading