TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Feb 22, 10:00 AM EST
Kalshi
This event concerns the highest temperature recorded at Chicago Midway Airport on February 21, 2026. The outcome depends on whether the temperature falls within certain specified ranges or outside them according to official National Weather Service records.