TOTAL VOLUME:

$134.2b

24H VOL:

$130,522,377

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,438,389,636

404,028

Markets across

30,214

events

MATCHED EVENTS:

2,681

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Lowest temperature in Chicago on Aug 11, 2026?
kalshi

Lowest temperature in Chicago on Aug 11, 2026?

Volume:
$32,627

68° to 69°

 - Kalshi

68° to 69° - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 12, 2026

Closed: Aug 12, 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

68° to 69°

View
100%
94%
Yes 100¢No 0¢
100¢
N/A
$6,576
N/A
N/A
$4,135
Settled
Yes
kalshi

72° or above

0%
78%
Yes 0¢No 100¢
100¢
N/A
$13,917
N/A
N/A
$9,857
Settled
No
kalshi

66° to 67°

0%
4%
Yes 0¢No 100¢
100¢
N/A
$4,230
N/A
N/A
$3,284
Settled
No
kalshi

70° to 71°

0%
22%
Yes 0¢No 100¢
100¢
N/A
$3,756
N/A
N/A
$3,011
Settled
No
kalshi

64° to 65°

0%
2%
Yes 0¢No 100¢
100¢
N/A
$2,918
N/A
N/A
$2,643
Settled
No
kalshi

63° or below

0%
6%
Yes 0¢No 100¢
100¢
N/A
$1,230
N/A
N/A
$1,126
Settled
No
Total markets: 6

Description

This event tracks the lowest temperature recorded in Chicago on a specific date, using official data sources. The outcome depends on where the temperature falls within predefined ranges, reflecting different climate scenarios for that day.

Kalshi

The event resolves based on the minimum temperature recorded in Chicago on August 11, 2026, as officially reported by the National Weather Service's Climatological Report (Daily). Six distinct temperature ranges are defined, each corresponding to a separate market outcome. If the recorded low temperature is less than 64°F, the '63° or below' market resolves to Yes. If it falls between 64°F and 65°F, the '64° to 65°' market resolves to Yes, and so on for each subsequent range up to '72° or above.' The official NWS data, accessible via the provided URL and specific reporting parameters, is the sole authority for determining the outcome. Traders must use the latest version of the data and remain cautious about preliminary reports, rounding, and conversion nuances that may affect interpretations before the final report is issued.