TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 22, 1:00 AM EST
Kalshi
The maximum temperature in Boston on May 21, 2026 will be recorded by the National Weather Service. This event tracks the actual weather conditions experienced in New England on that specific date.