TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Highest temperature in Chicago on Aug 17, 2026?
kalshi

Highest temperature in Chicago on Aug 17, 2026?

Volume:
$101,485

78° to 79°

 - Kalshi

78° to 79° - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 18, 2026

Closed: Aug 18, 2:00 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

78° to 79°

View
100%
39%
Yes 100¢No 0¢
100¢
N/A
$24,659
N/A
N/A
$15,002
Settled
Yes
kalshi

77° or below

0%
27%
Yes 0¢No 100¢
100¢
N/A
$43,770
N/A
N/A
$19,294
Settled
No
kalshi

80° to 81°

0%
9%
Yes 0¢No 100¢
100¢
N/A
$13,264
N/A
N/A
$8,834
Settled
No
kalshi

86° or above

0%
Yes 0¢No 100¢
100¢
N/A
$11,260
N/A
N/A
$10,470
Settled
No
kalshi

82° to 83°

0%
1%
Yes 0¢No 100¢
100¢
N/A
$5,524
N/A
N/A
$3,505
Settled
No
kalshi

84° to 85°

0%
Yes 0¢No 100¢
100¢
N/A
$3,009
N/A
N/A
$2,848
Settled
No
Total markets: 6

Description

The event tracks the peak temperature in Chicago on a specific summer day in 2026. Outcomes depend on how hot it gets, with different ranges determining success. Official data comes from The Weather Company to ensure consistency.

Kalshi

This event determines the outcome based on the maximum temperature recorded in Chicago on August 17, 2026, as reported by The Weather Company. Six distinct temperature ranges are defined, each corresponding to a specific market outcome. If the temperature falls within a given range, that market resolves as Yes; otherwise, it resolves as No. All secondary rules emphasize that while various weather sources may provide similar data, The Weather Company’s report is the definitive source for resolution. The ranges are structured to cover incremental increases in temperature, ensuring precise classification of the day’s climatic conditions.