KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedSelected book midpoint
39° to 40° · —
Loading selected book…
—
Stored price
39° to 40° 99.5%Leader of 6 outcomes
39° to 40° 99.5%Market quality
45 / 100
Low quality24h Volume
$4.3K
Open interest
$4.1K
Medium open interestBid / Ask
— / —
39° to 40°Spread
—
Market data
Updated 10 minutes ago
Oct 24, 26, 2:00 PM UTCOct 26, 26, 5:00 AM UTC
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 5m (informational)
Market depth · 39° to 40°
Loading selected book…
—
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Lowest temperature in Philadelphia on Oct 26, 2026?
KalshiHighest temperature in Philadelphia on Oct 25, 2026?
KalshiHighest temperature in Philadelphia on Oct 26, 2026?
KalshiWill the lowest temperature in Philadelphia (PHL)(KPHL) be below 38 F on October 25, 2026? (minimum) (min) (coldest)?
ForecastExWill the lowest temperature in Philadelphia (PHL)(KPHL) be below 39 F on October 25, 2026? (minimum) (min) (coldest)?
ForecastExWill the lowest temperature in Philadelphia (PHL)(KPHL) be below 40 F on October 25, 2026? (minimum) (min) (coldest)?
ForecastExRules
If the minimum temperature recorded at Philadelphia (CLIPHL) for Oct 25, 2026, is between 39-40° 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. If no data is available at the end of this period, all markets will resolve to the last fair price determined by Kalshi. Please note, a status of "Final" on weather.com/kalshi is provided for convenience only, and does not guarantee data to be error-free and thus exempt from the above.
Rules for each outcome
- 39° to 40°
- If the minimum temperature recorded at Philadelphia (CLIPHL) for Oct 25, 2026, is between 39-40° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 35° to 36°
- If the minimum temperature recorded at Philadelphia (CLIPHL) for Oct 25, 2026, is between 35-36° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 41° or above
- If the minimum temperature recorded at Philadelphia (CLIPHL) for Oct 25, 2026, is greater than 40° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 37° to 38°
- If the minimum temperature recorded at Philadelphia (CLIPHL) for Oct 25, 2026, is between 37-38° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 32° or below
- If the minimum temperature recorded at Philadelphia (CLIPHL) for Oct 25, 2026, is less than 33° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 33° to 34°
- If the minimum temperature recorded at Philadelphia (CLIPHL) for Oct 25, 2026, is between 33-34° fahrenheit according to The Weather Company, then the market resolves to Yes.
