TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 1:00 AM EST
Kalshi
This market tracks the highest temperature recorded in Washington DC on July 20, 2026. The outcome is determined by the maximum daily temperature reported by the National Weather Service's official Climatological Report, with resolution based on specific temperature ranges.
Resolution is determined by the maximum temperature recorded at Washington DC on July 20, 2026, according to the National Weather Service's Climatological Report (Daily), accessed via the CLIDCA database at the specified NWS URL for Washington-National. The official data source is the NWS Daily Climate Report, which serves as the authoritative reference regardless of preliminary reports or alternative weather services. Temperature ranges are divided into six bands: 83°F or below, 84-85°F, 86-87°F, 88-89°F, 90-91°F, and 92°F or above. Each range corresponds to a distinct market outcome. Traders should note that preliminary NWS data may be subject to rounding and conversion nuances, and the final official report should be consulted for resolution purposes.