Betting
✂️ Vig Remover / True Odds
Strip the bookmaker margin to reveal fair odds and true probability.
Result
—
How it works
The formula
Overround = 1/a + 1/b. Fair prob A = (1/a) / overround. Fair odds = 1 / fair prob.
Example: 1.90 / 1.90 → 5.26% overround; fair odds 2.00 / 2.00 (50% each).
FAQ
Questions
What is the vig?
The bookmaker’s built-in margin (juice/overround) that makes odds add up to over 100%.
Why remove it?
To estimate the true probability and spot value or run no-vig comparisons.
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For entertainment & education only. OSOTOTO does not offer gambling. Results are mathematical estimates — variance means real outcomes differ. 18+. Need support? Self-check.
