TOTAL VOLUME:
$134.3b
24H VOL:
$121,875,814
24H TRANSACTIONS:
2,403,290,006
OPEN INTEREST:
$1,437,844,306
405,535
Markets across
30,523
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 1, 2:00 AM EST
Kalshi
The National Weather Service will record the maximum temperature in Houston on April 30, 2026, and participants forecast what that temperature will be across a range of possible values.