TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 28, 1:00 AM EST
Kalshi
This set of markets assesses the likelihood of specific temperature ranges in Boston on a particular day in the future. Each market corresponds to a different temperature band, allowing participants to speculate on how warm it might get. The outcomes are determined by official weather data from a designated source.
These markets resolve based on the maximum temperature recorded in Boston (CLIBOS) on October 27, 2026, as reported by The Weather Company. Each market corresponds to a specific temperature range: 50° or below, 51-52°, 53-54°, 55-56°, 57-58°, and 59° or above. If the recorded temperature falls within a market's specified range, that market resolves to Yes; otherwise, it resolves to No. All markets share consistent secondary rules regarding data verification and error handling. Preliminary Weather Company data may undergo revisions, and the Exchange reserves the right to delay expiration if material errors are identified in initial reports. If data remains unavailable by the expiration date, markets will resolve to the last fair price determined by Kalshi. The "Final" status on weather.com/kalshi is informational and does not guarantee data accuracy or exempt markets from potential revisions under these rules.