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 12, 10:00 AM EST
Kalshi
This event concerns the highest temperature that will be recorded at Chicago Midway Airport on April 11, 2026, as documented by the National Weather Service. The market is structured to resolve affirmatively across all possible temperature outcomes, making it a certainty bet on whether any temperature reading will occur on that date.