GeminiCheck availabilityKYC requiredVerified resolution dataRoughly calibratedCurrent implied probability
69°F to 70°F 80.4%Leader of 4 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
69°F to 70°F 80.4%Market quality
31 / 100
Low quality24h Volume
$266.8
Liquidity
—
Liquidity unknownTraders
0
Market data
Updated 19 minutes ago
Sep 29, 26, 1:06 PM UTCOct 1, 26, 3:59 AM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Lowest temperature in Chicago on Sep 30, 2026?
KalshiHighest temperature in Chicago on October 1?
PolymarketHighest temperature in Chicago on Oct 1, 2026?
KalshiHighest temperature in Chicago on October 2?
PolymarketWill the highest temperature in Chicago (CHI)(MDW)(KMDW) exceed 70 F on September 30, 2026? (maximum) (max) (hottest)?
ForecastExWill the highest temperature in Chicago (CHI)(MDW)(KMDW) exceed 69 F on September 30, 2026? (maximum) (max) (hottest)?
ForecastExRules
Highest temperature in Chicago on September 30, 2026?
- This market will resolve based on the highest temperature recorded at Chicago-Midway, IL on September 30, 2026.
- The resolution source for this market will be the National Weather Service ("NWS") Climatological Report (Daily) for Chicago-Midway, IL.
- Specifically, this contract will resolve to Yes if the highest temperature recorded at Chicago-Midway on September 30, 2026, as reported in the first published version of the applicable NWS Climatological Report (Daily), satisfies the temperature range specified in this contract.
- Otherwise, this contract will resolve to No. The Expiration Value shall be the maximum temperature for September 30, 2026 as documented by the NWS.
- If the Expiration Value cannot be determined by the latest Expiration Date, the contract will resolve to No. Each temperature range listed for this event is mutually exclusive, and only one contract will resolve to Yes.