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: Sep 22, 1:00 AM EST
Kalshi
This event tracks the maximum temperature expected in Boston on a specific date in the future, helping participants assess climate conditions for planning or analytical purposes. The outcome depends solely on official weather data from a designated source.
All markets resolve based on the maximum temperature recorded at Boston's CLIBOS station on September 21, 2026, as reported by The Weather Company. Each market corresponds to a specific temperature range: 61°F or below, 62-63°F, 64-65°F, 66-67°F, 68-69°F, or 70°F and above. The Weather Company’s data is the sole authority, though participants should exercise caution with preliminary readings due to potential rounding or conversion discrepancies. If the Exchange identifies a material error in the initial data publication, it may delay resolution until a corrected version is released or until the expiration date, whichever comes first. Should no data remain available by the expiration date, markets resolve to the last fair price determined by Kalshi. The “Final” status on weather.com/kalshi is informational and does not exempt the data from potential error correction.