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 28, 10:00 AM EST
Kalshi
This event concerns the highest temperature recorded at Chicago Midway Airport on February 27, 2026, as documented by the National Weather Service. The market covers essentially all possible temperature outcomes, resolving affirmatively across the full spectrum from sub-60° conditions through above-67° readings.