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Highest temperature in Chicago on September 23?

Highest temperature in Chicago on September 23?

Resolves Sep 23, 2026·$9.6k 24h vol·weather
$9.8k total volume·Open for 1 days

66-67°F

54%+36.0%
OutcomeYesNo
66-67°F
64-65°F
68-69°F
62-63°F
60-61°F
70-71°F
55°F or below
56-57°F
58-59°F
72-73°F

Order Book

66-67°F

PriceSharesTotal
61.0¢213$130
60.0¢204$122
59.0¢105$62
58.0¢362$210
57.0¢344$196
56.0¢5.9k$3.3k
55.0¢582$320
54.0¢204$110
53.0¢last trade
1.0¢ spread
53.0¢13$7
52.0¢367$191
51.0¢367$187
50.0¢628$314
49.0¢15$7
40.0¢30$12
36.0¢7$3
35.0¢47$17
$737 bids$4.5k asks

Resolution Criteria

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 23 Sep '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. If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source. In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket. To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F. This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first. 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.

66-67°F

54%