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Free calculator
Hold (vig) calculator
Measure the hold, or vig, that a market's odds build in. Lower hold means fairer prices.
Lower hold means fairer prices.
Enter American (-110, +150) or decimal (2.50) odds.
Your numbers
Results
Hold
+4.76%
Book margin (theoretical)
+4.55%
Implied A
52.38%
Implied B
52.38%
How it works
Hold is how much the implied probabilities overshoot 100%. Standard -110/-110 is about 4.8%. Lower hold means fairer prices; under 0% means you've found an arbitrage. The Low Hold tool ranks every market by its best-of-market hold.
Example
−110 / −110 implies 52.38% on each side, 104.76% in all, so the hold is 4.76%.
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Keep going
- Glossary
Vig
The margin a book builds into its prices. It is why the two sides of a market add up to more than 100%.
- Glossary
No-vig price
The fair price for each side once the book's margin is removed from the market.
- Antic Pro tool
Low hold
The smallest margin across the best prices. The same math, run live on every book.
Calculators show math, not advice. Antic never places bets. Bet only where it is legal for you.