TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 19, 3:00 AM EST
Kalshi
This event tracks the daytime high temperature in Phoenix on July 18, 2026. The outcome will be determined by the National Weather Service's official daily climatological report for Phoenix, which records the maximum temperature reached during that calendar day.
Resolution is based on the maximum temperature recorded at Phoenix on July 18, 2026, according to the National Weather Service's Climatological Report (Daily). The official data source is accessed via the NWS website by navigating to the Observed Weather tab and selecting Phoenix, AZ with Daily Climate Report. Temperature ranges are divided into six bands: 94°F or below, 95-96°F, 97-98°F, 99-100°F, 101-102°F, and 103°F or above. Each band corresponds to a separate outcome. Traders should note that preliminary NWS data may be subject to rounding and conversion nuances, and the final official NWS Climatological Report (Daily) is the authoritative source, not preliminary reports or third-party weather services.