TOTAL VOLUME:

$134.2b

24H VOL:

$126,324,530

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,434,646,834

406,019

Markets across

30,401

events

MATCHED EVENTS:

2,689

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Highest temperature in Boston on Aug 5, 2026?
kalshi

Highest temperature in Boston on Aug 5, 2026?

Volume:
$41,329

87° to 88°

 - Kalshi

87° to 88° - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 6, 2026

Closed: Aug 6, 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

87° to 88°

View
100%
Yes 100¢No 0¢
100¢
N/A
$13,144
N/A
N/A
$6,631
Settled
Yes
kalshi

89° or above

0%
Yes 0¢No 100¢
100¢
N/A
$21,445
N/A
N/A
$11,789
Settled
No
kalshi

85° to 86°

0%
Yes 0¢No 100¢
100¢
N/A
$3,121
N/A
N/A
$2,526
Settled
No
kalshi

83° to 84°

0%
Yes 0¢No 100¢
100¢
N/A
$1,725
N/A
N/A
$1,170
Settled
No
kalshi

81° to 82°

0%
1%
Yes 0¢No 100¢
100¢
N/A
$1,188
N/A
N/A
$842
Settled
No
kalshi

80° or below

0%
Yes 0¢No 100¢
100¢
N/A
$705
N/A
N/A
$615
Settled
No
Total markets: 6

Description

This event tracks the highest temperature recorded in Boston on a specific date in the future, using official government data. Participants assess the likelihood of different temperature ranges based on historical trends and climate predictions. The outcome depends solely on the official National Weather Service report for that day.

Kalshi

The event determines whether the maximum temperature in Boston on August 5, 2026, falls within specific ranges as reported by the National Weather Service's Climatological Report (Daily). Each market corresponds to a distinct temperature range: 80° or below, 81-82°, 83-84°, 85-86°, 87-88°, or 89° and above. The official data source is the NWS report accessible via the provided URL, with traders advised to use the latest version and remain cautious about preliminary data nuances. All markets resolve based exclusively on this authoritative source, ensuring consistency and eliminating ambiguity from third-party weather services. The structure allows participants to speculate on the probability of each temperature range occurring on the specified date.