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: Feb 21, 10:00 AM EST
Kalshi
This event concerns the highest temperature recorded at Chicago Midway Airport on February 20, 2026, as measured by the National Weather Service. The outcome will be determined by the official daily climatological report for that specific location and date.