๐Ÿงฎ

The Probability Engine calculates true fair probabilities
using 4 de-vig methods simultaneously.

Enter your API key, select markets, and hit Run Scan.

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Run a scan to find positive expected value bets
across all selected markets and books.

โšก

Run a scan to detect arbitrage opportunities
across all selected markets.

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Run a scan to compare odds across all books and markets.

๐ŸŽฏ Fair Value Calculator

Enter any odds or pick from scan results to calculate the true fair value and compare it against every book in the market.

๐Ÿ“ Method Comparison

Side-by-side true probability from all 4 methods for the entered line.
Pinnacle
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Power
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Mult.
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Add.
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Enter reference odds above to compare against all books.
Or click any row in the +EV Finder or Prob Engine to auto-fill.

๐Ÿฆ Live Market Consensus

After running a scan, select any outcome from your results to see every book's price vs the fair value, all in one view.
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Run a scan first, then select an outcome above
to see full market consensus vs fair value.

โš—๏ธ Kelly Criterion Calculator

Recommended Stake
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Enter values above

๐Ÿ“– De-vig Methods Explained

Four methods for removing bookmaker vig to find true probabilities:

๐Ÿ“Œ Pinnacle Sharp
Uses Pinnacle's de-vigged line directly. Most reliable โ€” Pinnacle is the world's sharpest book and sets the market. Best when Pinnacle has the market.
โž• Additive
Subtracts vig equally from each outcome's implied probability. Simple, fast. Works well for balanced 2-way markets. Underestimates longshot true probability.
โœ– Multiplicative
Scales each implied probability by the total overround. More accurate than additive for asymmetric markets. Standard industry approach.
โšก Power
p_true = p_implied ^ (1/k), solve ฮฃp=1
Iteratively solves for exponent k that normalizes probabilities. Corrects favorite-longshot bias โ€” books pad longshot prices, Power accounts for this. Most accurate for props and multi-outcome markets.
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Click any +EV row to auto-fill, or log manually above.