SimpleFunctions
kalshiOutcome slate161 markets

Will Dolly become a Category 1 hurricane

event base · KXHURCAT

By SimpleFunctions· Last verified 14 Sep 2026Methodology
24h volume
$0
Constituents
161
Distinct tenors
1
Top P(YES)
99.0%
Category 1 or above

Outcome probabilities

161 contracts at one resolution date

Analysis

The yield curve for KXHURCAT exhibits a flat structure across all 79-day tenors, with YES probabilities clustering tightly around 1.0-2.0%. Within this narrow band, the cheapest YES probabilities are concentrated at 1.0%, appearing across multiple named storm contracts including DOLLY, EDOUARD, ISELLE, JULIO, and several T4-T5 tranches of other storms. The more expensive contracts trade at 2.0%, primarily in the T1-T3 tranches of storms like FAY, GONZALO, HANNA, ISAIAS, JOSEPHINE, KYLE, LEAH, and MARCO. This pricing structure shows minimal differentiation by tenor—all markets resolve within 79 days—but reveals meaningful differentiation by storm name and tranche level, suggesting the market is pricing individual storm-specific risk rather than time-decay dynamics. The flat curve combined with uniformly low probabilities indicates the market views the occurrence of any individual named Atlantic hurricane making landfall in the specified category within 79 days as highly unlikely. The slight elevation of certain storms to 2.0% versus 1.0% suggests marginal differences in perceived threat levels among specific named systems, but the overall pricing conveys skepticism about near-term hurricane activity. The absence of a traditional yield-curve slope—where longer-dated contracts typically command different prices—reflects that all these markets share identical time horizons, making the cross-sectional variation in pricing a pure reflection of storm-specific probability assessments rather than temporal expectations about event timing.

Generated 9/14/2026 · anthropic/claude-haiku-4.5

Constituent markets

161 kalshi contracts

MarketTenorP(YES)Vol 24h
Will Marie become a Category 1 hurricane?: Category 1 or above11w99.0%$0
Will Marie become a Category 2 hurricane?: Category 2 or above11w99.0%$0
Will Polo become a Category 1 hurricane?: Category 1 or above11w4.0%$0
Will Fay become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Fay become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Fay become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Fay become a Category 4 hurricane?: Category 4 or above11w2.0%$0
Will Gonzalo become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Gonzalo become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Gonzalo become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Hanna become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Hanna become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Hanna become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Isaias become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Isaias become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Isaias become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Josephine become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Kyle become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Kyle become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Leah become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Leah become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Marco become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Marco become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Nana become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Odalys become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Odalys become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Odalys become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Odalys become a Category 4 hurricane?: Category 4 or above11w2.0%$0
Will Odalys become a Category 5 hurricane?: Category 5 or above11w2.0%$0
Will Paulette become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Polo become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Polo become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Polo become a Category 4 hurricane?: Category 4 or above11w2.0%$0
Will Polo become a Category 5 hurricane?: Category 5 or above11w2.0%$0
Will Rachel become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Rachel become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Rachel become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Rachel become a Category 4 hurricane?: Category 4 or above11w2.0%$0
Will Rachel become a Category 5 hurricane?: Category 5 or above11w2.0%$0
Will Simon become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Simon become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Simon become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Simon become a Category 4 hurricane?: Category 4 or above11w2.0%$0
Will Trudy become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Trudy become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Trudy become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Trudy become a Category 4 hurricane?: Category 4 or above11w2.0%$0
Will Trudy become a Category 5 hurricane?: Category 5 or above11w2.0%$0
Will Vance become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Vance become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Vance become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Vance become a Category 4 hurricane?: Category 4 or above11w2.0%$0
Will Vance become a Category 5 hurricane?: Category 5 or above11w2.0%$0
Will Winnie become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Winnie become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Winnie become a Category 3 hurricane?: Category 3 or above11w2.0%$0
Will Winnie become a Category 4 hurricane?: Category 4 or above11w2.0%$0
Will Winnie become a Category 5 hurricane?: Category 5 or above11w2.0%$0
Will Xavier become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Yolanda become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Zeke become a Category 1 hurricane?: Category 1 or above11w2.0%$0
Will Zeke become a Category 2 hurricane?: Category 2 or above11w2.0%$0
Will Dolly become a Category 1 hurricane?: Category 1 or above11w1.0%$0
Will Dolly become a Category 2 hurricane?: Category 2 or above11w1.0%$0
Will Dolly become a Category 3 hurricane?: Category 3 or above11w1.0%$0
Will Dolly become a Category 4 hurricane?: Category 4 or above11w1.0%$0
Will Dolly become a Category 5 hurricane?: Category 5 or above11w1.0%$0
Will Edouard become a Category 1 hurricane?: Category 1 or above11w1.0%$0
Will Edouard become a Category 2 hurricane?: Category 2 or above11w1.0%$0
Will Edouard become a Category 3 hurricane?: Category 3 or above11w1.0%$0
Will Edouard become a Category 4 hurricane?: Category 4 or above11w1.0%$0
Will Edouard become a Category 5 hurricane?: Category 5 or above11w1.0%$0
Will Fay become a Category 5 hurricane?: Category 5 or above11w1.0%$0
Will Gonzalo become a Category 4 hurricane?: Category 4 or above11w1.0%$0
Will Gonzalo become a Category 5 hurricane?: Category 5 or above11w1.0%$0
Will Hanna become a Category 4 hurricane?: Category 4 or above11w1.0%$0
Will Hanna become a Category 5 hurricane?: Category 5 or above11w1.0%$0
Will Isaias become a Category 4 hurricane?: Category 4 or above11w1.0%$0
Will Isaias become a Category 5 hurricane?: Category 5 or above11w1.0%$0
Will Iselle become a Category 1 hurricane?: Category 1 or above11w1.0%$0
Showing top 80 by P(YES) of 161 constituents.

How to read this page

An outcome slate is a set of mutually-exclusive contracts that all settle on the same date. Their YES probabilities form a distribution over which outcome the market expects. Probabilities should roughly sum to 100% minus the venue’s overround.

Curve construction: each constituent contract is identified by its venue event_id (KXHURCAT on kalshi). Tenor is computed from the contract’s close_time minus snapshot time, rounded to days. We do not interpolate between tenors — every plotted point is a real, traded contract. Outcome-slate pages show price-as-probability for mutually-exclusive contracts; term-structure pages show price-as-probability vs days-to-resolution for the same underlying event.

How we compute these odds

SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.

For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.

Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.

Last updated on this page: Mon, 14 Sep 2026 06:22:31 GMT.