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 Philadelphia on Jul 20, 2026?
kalshi

Highest temperature in Philadelphia on Jul 20, 2026?

Volume:
$35,649

84° to 85°

 - Kalshi

84° to 85° - Kalshi

1W

News

Positive

Negative

Neutral

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Vol.

·

Resolved Jul 21, 2026

Closed: Jul 21, 12:59 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

84° to 85°

View
100%
Yes 100¢No 0¢
100¢
N/A
$10,960
N/A
N/A
$5,669
Settled
Yes
kalshi

86° to 87°

0%
Yes 0¢No 100¢
100¢
N/A
$10,992
N/A
N/A
$7,048
Settled
No
kalshi

82° to 83°

0%
Yes 0¢No 100¢
100¢
N/A
$7,729
N/A
N/A
$5,676
Settled
No
kalshi

88° to 89°

0%
Yes 0¢No 100¢
100¢
N/A
$3,023
N/A
N/A
$2,534
Settled
No
kalshi

81° or below

0%
Yes 0¢No 100¢
100¢
N/A
$2,161
N/A
N/A
$2,065
Settled
No
kalshi

90° or above

0%
Yes 0¢No 100¢
100¢
N/A
$784
N/A
N/A
$700
Settled
No
Total markets: 6

Description

This event tracks the highest temperature recorded at Philadelphia International Airport on July 20, 2026. The outcome will be determined by the National Weather Service's official Climatological Report (Daily) for that date, with temperature ranges divided into six distinct bands.

Kalshi

Resolution is based on the highest temperature recorded at Philadelphia International Airport on July 20, 2026, as reported in the National Weather Service's Climatological Report (Daily). The temperature is divided into six ranges: 81° or below, 82–83°, 84–85°, 86–87°, 88–89°, and 90° or above, with each range corresponding to a distinct outcome. The NWS Climatological Report (Daily) serves as the official and final source for temperature determination. Traders should note that preliminary NWS data may be subject to rounding and conversion nuances, and while other weather sources like AccuWeather or Google Weather may provide guidance, only the official NWS report determines the final resolution.