TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Apr 26, 10:00 AM EST
Kalshi
This event concerns the highest temperature recorded at Chicago Midway Airport on April 25, 2026, as documented by the National Weather Service. The market appears designed to capture most plausible temperature outcomes for that date, with resolution dependent on the official daily climatological report.