Is B3 open on Monday 28 December 2026?
Yes
Yes. B3 is open on Monday 28 December 2026, trading from 10:00 to 18:00 GMT-3 (São Paulo time).
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Regular hours
See also B3 hours today and B3 holidays 2026
Related markets on 28 Dec 2026
 NYSE | – |
| Nasdaq | – |
 TSX | Boxing Day (observed) |
| CME Equity | – |
 LSE | Boxing Day (observed) |
 Xetra | – |
 Euronext Paris | – |
 SIX | – |
 TSE Tokyo | – |
 HKEX | – |