Convertisseur de Probabilité Implicite
Convertissez tout format de cote en probabilité implicite, découvrez la marge cachée du bookmaker et calculez les cotes équitables pour tout résultat.

Implied Probability Converter
Convert any odds format to implied probability, see the bookmaker margin (overround), and reveal the true no-vig fair odds. Works for decimal, American, and fractional odds on any market.
| Outcome | Cotes décimales | Implied prob | True prob | Fair odds |
|---|---|---|---|---|
| Home | 2.100 | 47.62% | 44.72% | 2.236 |
| Draw | 3.500 | 28.57% | 26.83% | 3.727 |
| Away | 3.300 | 30.30% | 28.46% | 3.514 |
Ce que cela signifie
Implied probability is what the bookmaker's odds suggest the chance of an outcome is before margin is removed. If the sum of all implied probabilities exceeds 100%, the surplus is the bookmaker's profit margin (overround or vig). A 5% overround on a 2-way market means the bookmaker prices both outcomes as if the total probability were 105%.
True (no-vig) probability is calculated using the additive method: each outcome's implied probability is divided by the sum of all implied probabilities, redistributing the margin equally. True fair odds are 1 ÷ true probability — this is the price you would see at a zero-margin exchange.
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