TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Highest temperature in Boston on Jul 26, 2026?
kalshi

Highest temperature in Boston on Jul 26, 2026?

Volume:
$16,352

73° or below

 - Kalshi

73° or below - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 27, 2026

Closed: Jul 27, 1:00 AM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

73° or below

View
100%
Yes 100¢No 0¢
100¢
N/A
$7,829
N/A
N/A
$4,693
Settled
Yes
kalshi

74° to 75°

0%
Yes 0¢No 100¢
100¢
N/A
$3,702
N/A
N/A
$2,530
Settled
No
kalshi

76° to 77°

0%
Yes 0¢No 100¢
100¢
N/A
$2,026
N/A
N/A
$1,663
Settled
No
kalshi

78° to 79°

0%
Yes 0¢No 100¢
100¢
N/A
$1,619
N/A
N/A
$1,456
Settled
No
kalshi

82° or above

0%
Yes 0¢No 100¢
100¢
N/A
$647
N/A
N/A
$623
Settled
No
kalshi

80° to 81°

0%
Yes 0¢No 100¢
100¢
N/A
$529
N/A
N/A
$513
Settled
No
Total markets: 6

Description

The event tracks the highest temperature in Boston on July 26, 2026, categorizing outcomes into six distinct ranges from 73°F or below up to 82°F or above. Each range has specific criteria for resolution based on official National Weather Service data.

Kalshi

The event resolves based on the maximum temperature recorded at Boston (Logan Airport, MA) on July 26, 2026, as reported by the National Weather Service's Climatological Report (Daily). Six markets correspond to temperature ranges: 73°F or below, 74-75°F, 76-77°F, 78-79°F, 80-81°F, and 82°F or above. The official data source is the NWS Climatological Report for Boston, accessible via the provided URL. Traders must use the latest version of the data and recognize that preliminary reports may contain rounding or conversion nuances, requiring caution in interpretation.