TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 20, 2:00 AM EST
Kalshi
This event tracks the lowest temperature recorded in San Antonio on July 19, 2026. The outcome will be determined by the official National Weather Service daily climatological report for San Antonio, which measures the minimum temperature that occurs during the calendar day.
Resolution is based on the minimum temperature recorded at San Antonio on July 19, 2026, as reported in the National Weather Service's Climatological Report (Daily). The official data source is accessed through the NWS Southern Region Climate portal by selecting San Antonio with the Daily Climate Report option. Traders should note that preliminary NWS data may be subject to rounding and conversion nuances, and the final official report should be used for resolution. While secondary sources like AccuWeather or Google Weather may provide guidance, only the NWS Climatological Report (Daily) serves as the authoritative source for determining the outcome.