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%

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Lowest temperature in Boston on Aug 9, 2026?
kalshi

Lowest temperature in Boston on Aug 9, 2026?

Volume:
$6,240

73° or above

 - Kalshi

73° or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 10, 2026

Closed: Aug 10, 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 above

View
100%
14%
Yes 100¢No 0¢
100¢
N/A
$4,024
N/A
N/A
$3,711
Settled
Yes
kalshi

71° to 72°

0%
17%
Yes 0¢No 100¢
100¢
N/A
$1,700
N/A
N/A
$1,033
Settled
No
kalshi

67° to 68°

0%
Yes 0¢No 100¢
100¢
N/A
$240
N/A
N/A
$240
Settled
No
kalshi

69° to 70°

0%
Yes 0¢No 100¢
100¢
N/A
$174
N/A
N/A
$120
Settled
No
kalshi

65° to 66°

0%
Yes 0¢No 100¢
100¢
N/A
$70
N/A
N/A
$70
Settled
No
kalshi

64° or below

0%
Yes 0¢No 100¢
100¢
N/A
$33
N/A
N/A
$33
Settled
No
Total markets: 6

Description

This event tracks the lowest temperature recorded in Boston on a specific date in the future, using official government data. Participants assess weather conditions based on historical trends and forecasts to predict the outcome.

Kalshi

The event determines the resolution based on the minimum temperature recorded in Boston on August 9, 2026, as reported by the National Weather Service's Climatological Report (Daily). Each market corresponds to a specific temperature range: 64°F or below, 65-66°F, 67-68°F, 69-70°F, 71-72°F, or above 72°F. The official data source is the NWS Climatological Report for Boston (Logan Airport), accessible via the provided URL. Traders must use the latest version of the report and recognize that preliminary data may contain rounding or conversion nuances. All markets are mutually exclusive and collectively exhaustive, ensuring one and only one market will resolve to Yes based on the actual recorded temperature.