TOTAL VOLUME:

$134b

24H VOL:

$107,351,958

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,416,970,024

400,720

Markets across

30,097

events

MATCHED EVENTS:

2,633

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Lowest temperature in Washington DC on Jul 31, 2026?
kalshi

Lowest temperature in Washington DC on Jul 31, 2026?

Volume:
$6,084

71° to 72°

 - Kalshi

71° to 72° - Kalshi

1W

News

Positive

Negative

Neutral

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Vol.

·

Resolved Aug 1, 2026

Closed: Aug 1, 1:00 AM EST

kalshi

Kalshi

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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° to 72°

View
100%
Yes 100¢No 0¢
100¢
N/A
$2,345
N/A
N/A
$1,618
Settled
Yes
kalshi

69° to 70°

0%
Yes 0¢No 100¢
100¢
N/A
$2,275
N/A
N/A
$840
Settled
No
kalshi

73° or above

0%
Yes 0¢No 100¢
100¢
N/A
$879
N/A
N/A
$730
Settled
No
kalshi

67° to 68°

0%
Yes 0¢No 100¢
100¢
N/A
$531
N/A
N/A
$524
Settled
No
kalshi

64° or below

0%
Yes 0¢No 100¢
100¢
N/A
$29
N/A
N/A
$29
Settled
No
kalshi

65° to 66°

0%
Yes 0¢No 100¢
100¢
N/A
$24
N/A
N/A
$24
Settled
No
Total markets: 6

Description

This event tracks the lowest temperature recorded in Washington DC on a specific date, using official government data sources. The outcome depends solely on the exact temperature reading reported by the National Weather Service for that day.

Kalshi

All markets resolve based exclusively on the official minimum temperature recorded at Washington DC on July 31, 2026, as reported in the National Weather Service's Climatological Report (Daily) for Washington-National. 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 secondary rules emphasize that while preliminary or third-party weather data may be referenced for guidance, only the NWS report serves as the definitive source. Traders must use the latest version of the data and remain aware that reporting frequencies may vary between locations, and that NWS data may include rounding or conversion nuances that affect interpretation. No alternative sources, such as AccuWeather or Google Weather, determine the outcome.