KalshiCheck availabilityKYC requiredVerified resolution dataFairly calibratedCurrent implied probability
54° to 55° 34%Leader of 6 outcomes
54° to 55° 34%Market quality
29 / 100
Low quality24h Volume
$367.3
Open interest
$367.3
Low open interestMarket data
Updated 4 minutes ago
Sep 28, 26, 2:00 PM UTCSep 30, 26, 7:00 AM UTC
Trends
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 5m (informational)
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Lowest temperature in Denver on Sep 28, 2026?
KalshiHighest temperature in Denver on Sep 28, 2026?
KalshiHighest temperature in Denver on Sep 29, 2026?
KalshiConsecutive days of average temperature in Denver above 90°F - week of Sep 28, 2026
KalshiHighest temperature in Denver on September 29?
PolymarketHighest temperature in Denver on September 30?
PolymarketRules
If the minimum temperature recorded at Denver (CLIDEN) for Sep 29, 2026, is less than 50° fahrenheit according to The Weather Company, then the market resolves to Yes.
Settles via:The Weather Company
- Not all weather data is the same.
- While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the Weather Company.
- Reading weather data Preliminary Weather Company data may be subject to rounding and conversion differences from the final reported value.
- Use caution when interpreting preliminary Weather Company readings.
- If it is determined in the sole discretion of the Exchange that there is a material error in the initial non-preliminary publication, Expiration may be held until the publication of a non-materially-erroneous data revision or until the Expiration Date, whichever comes first.
Prediction Source Comparison
- Also available on Polymarket — Lowest temperature in Denver on September 29? · 66°F or higher 49%