TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 31, 1:00 AM EST
Kalshi
This event tracks the highest temperature recorded in Boston on a specific date in the future, using official government data. Participants assess weather conditions and historical trends to predict temperature ranges, with outcomes determined by verified meteorological reports.
All markets resolve based on the maximum temperature recorded at Boston (Logan Airport), MA on July 30, 2026, as officially reported by the National Weather Service's Climatological Report (Daily). Each market corresponds to a specific temperature range: 67°F or below, 68–69°F, 70–71°F, 72–73°F, 74–75°F, or above 75°F. The official data source must be accessed via the provided NWS URL, navigating to the 'Observed Weather' tab and selecting the Daily Climate Report for the exact date. Traders should use the latest available report and remain cautious about preliminary data, rounding, and conversion nuances, as these can affect interpretations. All outcomes are strictly determined by the final NWS-reported temperature, regardless of other weather services' figures.