TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Mar 21, 3:00 PM EST
Kalshi
This event tracks the maximum temperature recorded in Boston on March 20, 2026, according to the National Weather Service's official daily climatological report. Regardless of whether the temperature falls above or below any particular threshold, the market resolves to Yes, making this a certainty market that will always resolve affirmatively based on whatever temperature is officially recorded.