TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 1, 12:59 AM EST
Kalshi
This event tracks the peak temperature in Philadelphia on a specific summer day in 2026. It categorizes possible temperature outcomes into distinct ranges, each representing a different market outcome based on official weather service data.
The event resolves based on the highest temperature recorded at Philadelphia International Airport on July 31, 2026, as officially reported by the National Weather Service's Climatological Report (Daily). Six distinct temperature ranges are defined, each corresponding to a specific market outcome: below 84°F, 84–85°F, 86–87°F, 88–89°F, 90–91°F, and above 91°F. The National Weather Service's report is the sole authority for determining the resolving temperature, and traders should be aware that preliminary data may contain rounding or conversion nuances that could affect interpretations before the official report is finalized.