TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Feb 24, 10:00 AM EST
Kalshi
This event concerns the highest temperature recorded at Chicago Midway Airport on February 23, 2026, as measured by the National Weather Service. The market resolves affirmatively for virtually any temperature outcome except those falling within a narrow range in the mid-to-upper 30s Fahrenheit.