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Answer · Probability · fairProb

Implied probability via fairProb

Updated 10 November 2026 · PinnFeed · 1 min read

Answer: use outcome fairProb (0–1) from the no-vig price. fairProb ≈ 1/fair. Also available: raw decimal/american. Schema: docs.

Example#

{ "name": "home", "decimal": 2.05, "fair": 2.14, "fairProb": 0.467 }

Related: no-vig answer.

Trial CTA#

Builder (€99/mo) for WebSocket and closing history. 3-day trial; card required, charged after day 3 unless cancelled. Free REST: signup. Related: answers hub, docs.

Questions people ask#

Is fairProb vig-free?#

Yes — derived after margin removal on the Pinnacle market.

Can I use 1/decimal instead?#

That still includes vig; prefer fairProb for model priors.

Is this educational content for adults?#

Yes (18+).

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