TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 10, 1:00 AM EST
Kalshi
This event concerns the maximum temperature recorded at Washington DC on May 9, 2026, according to the National Weather Service's official daily climatological report. Regardless of what temperature is observed, the market is designed to always resolve to Yes, making it a certainty event rather than a competitive prediction.