Is COMEX open on Monday 31 May 2027?
Yes, on an irregular schedule
Yes, on an irregular schedule. COMEX trades on Monday 31 May 2027 from 17:00 to 13:30 CDT (New York time) for Memorial Day.
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Memorial Day
See also COMEX hours today and COMEX holidays 2027
Related markets on 31 May 2027
| CME Equity | – |
| NYSE | Memorial Day |
| Nasdaq | Memorial Day |
| CFE | Memorial Day |
| CME | – |
 TSX | – |
 B3 | – |
| NYMEX Energy | – |
| CME FX | – |
| CBOT Rates | – |