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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Highest temperature in Chicago on Jul 20, 2026?
kalshi

Highest temperature in Chicago on Jul 20, 2026?

Volume:
$227,685

82° or below

 - Kalshi

82° or below - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jul 21, 2026

Closed: Jul 21, 1:59 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

82° or below

View
100%
Yes 100¢No 0¢
100¢
N/A
$104,156
N/A
N/A
$27,978
Settled
Yes
kalshi

83° to 84°

0%
Yes 0¢No 100¢
100¢
N/A
$53,092
N/A
N/A
$20,093
Settled
No
kalshi

85° to 86°

0%
Yes 0¢No 100¢
100¢
N/A
$33,576
N/A
N/A
$16,236
Settled
No
kalshi

87° to 88°

0%
Yes 0¢No 100¢
100¢
N/A
$22,848
N/A
N/A
$13,591
Settled
No
kalshi

89° to 90°

0%
Yes 0¢No 100¢
100¢
N/A
$10,554
N/A
N/A
$7,137
Settled
No
kalshi

91° or above

0%
Yes 0¢No 100¢
100¢
N/A
$3,459
N/A
N/A
$2,914
Settled
No
Total markets: 6

Description

This event tracks the highest temperature recorded at Chicago Midway 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 Chicago Midway, Illinois on July 20, 2026, as reported in the National Weather Service's Climatological Report (Daily). The temperature is divided into six ranges: 82° or below, 83–84°, 85–86°, 87–88°, 89–90°, and 91° 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.