KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedSelected book midpoint
42° to 43° · —
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Stored price
42° to 43° 60%Leader of 6 outcomes
42° to 43° 60%Market quality
38 / 100
Low quality24h Volume
$945.5
Open interest
$868.6
Low open interestBid / Ask
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42° to 43°Spread
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Market data
Updated 24 minutes ago
Oct 30, 26, 2:00 PM UTCNov 1, 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 · 42° to 43°
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Highest temperature in Boston on Oct 31, 2026?
KalshiWill the highest temperature in Boston (BOS)(KBOS) exceed 52 F on October 31, 2026? (maximum) (max) (hottest)?
ForecastExWill the highest temperature in Boston (BOS)(KBOS) exceed 53 F on October 31, 2026? (maximum) (max) (hottest)?
ForecastExWill the highest temperature in Boston (BOS)(KBOS) exceed 54 F on October 31, 2026? (maximum) (max) (hottest)?
ForecastExWill the lowest temperature in Boston (BOS)(KBOS) be below 44 F on October 31, 2026? (minimum) (min) (coldest)?
ForecastExWhere will it rain on Oct 31, 2026?
KalshiRules
If the minimum temperature recorded at Boston (CLIBOS) for Oct 31, 2026, is between 42-43° 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
- 42° to 43°
- If the minimum temperature recorded at Boston (CLIBOS) for Oct 31, 2026, is between 42-43° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 40° to 41°
- If the minimum temperature recorded at Boston (CLIBOS) for Oct 31, 2026, is between 40-41° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 44° to 45°
- If the minimum temperature recorded at Boston (CLIBOS) for Oct 31, 2026, is between 44-45° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 46° or above
- If the minimum temperature recorded at Boston (CLIBOS) for Oct 31, 2026, is greater than 45° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 38° to 39°
- If the minimum temperature recorded at Boston (CLIBOS) for Oct 31, 2026, is between 38-39° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 37° or below
- If the minimum temperature recorded at Boston (CLIBOS) for Oct 31, 2026, is less than 38° fahrenheit according to The Weather Company, then the market resolves to Yes.
