TOTAL VOLUME:

$134.2b

24H VOL:

$129,159,707

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,442,132,418

404,744

Markets across

30,489

events

MATCHED EVENTS:

2,691

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
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Lowest temperature in Boston on Aug 11, 2026?
kalshi

Lowest temperature in Boston on Aug 11, 2026?

Volume:
$3,198

71° or above

 - Kalshi

71° or above - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 12, 2026

Closed: Aug 12, 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

71° or above

View
100%
6%
Yes 100¢No 0¢
100¢
N/A
$1,124
N/A
N/A
$1,016
Settled
Yes
kalshi

69° to 70°

0%
8%
Yes 0¢No 100¢
100¢
N/A
$1,188
N/A
N/A
$952
Settled
No
kalshi

67° to 68°

0%
Yes 0¢No 100¢
100¢
N/A
$559
N/A
N/A
$551
Settled
No
kalshi

65° to 66°

0%
Yes 0¢No 100¢
100¢
N/A
$156
N/A
N/A
$156
Settled
No
kalshi

63° to 64°

0%
Yes 0¢No 100¢
100¢
N/A
$140
N/A
N/A
$140
Settled
No
kalshi

62° or below

0%
Yes 0¢No 100¢
100¢
N/A
$31
N/A
N/A
$31
Settled
No
Total markets: 6

Description

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

Kalshi

All markets resolve based on the minimum temperature recorded at Boston (Logan Airport), MA on August 11, 2026, as reported in the National Weather Service's Climatological Report (Daily). Each market corresponds to a specific temperature range: 62°F or below, 63-64°F, 65-66°F, 67-68°F, 69-70°F, or above 70°F. The official NWS report is the sole source for determining the outcome, and traders must use the latest version available after the date in question. Preliminary data from other services may differ due to rounding or conversion nuances, so only the official NWS report is binding. All markets are mutually exclusive and collectively exhaustive, meaning exactly one will resolve to Yes based on where the actual minimum temperature falls within these defined ranges.