TOTAL VOLUME:

$134.2b

24H VOL:

$126,590,312

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,439,516,703

404,175

Markets across

30,277

events

MATCHED EVENTS:

2,685

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Highest temperature in Chicago on August 25?
predict

Highest temperature in Chicago on August 25?

Volume:
$2

80-81°F

 - Predict

80-81°F - Predict

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 26, 2026

Closed: Aug 25, 8:00 AM EST

predict

Predict

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
predict

80-81°F

View
57%
Yes 57¢No 43¢
—
N/A
$2
N/A
N/A
N/A
Settled
Yes
predict

71°F or below

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
predict

72-73°F

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
predict

74-75°F

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
predict

76-77°F

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
predict

78-79°F

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
predict

82-83°F

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
predict

84-85°F

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
predict

86-87°F

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
predict

88-89°F

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
predict

90°F or higher

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 11

Description

This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 25 Aug '26. The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button. To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F. This market can not resolve until the first data point for the following date has been published on the resolution source. The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.

Predict

This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 25 Aug '26. The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button. To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F. This market can not resolve until the first data point for the following date has been published on the resolution source. The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.