No-vig calculator
Strip the book's vig out of a two-sided market. Input the prices on both sides, get the fair implied probabilities and the fair American odds that a sharp book would post on a zero-vig market.
Implied: 52.38%
Fair no-vig: 50.00% (-100)
Fair no-vig: 50.00% (-100)
Implied: 52.38%
Fair no-vig: 50.00% (-100)
Fair no-vig: 50.00% (-100)
Vig (hold percentage)
4.76%
Standard vig
Sharp books like Pinnacle, Circa, and Bookmaker run 2 to 3 percent vig on sides and totals. Square books (DK, FD, MGM, Caesars) typically run 4.5 to 5 percent. Prop markets can run 6 to 12 percent depending on liquidity.
How to use this
1. Copy both sides of a market from a sharp book (Pinnacle preferred when available).
2. Paste the American odds into both fields.
3. The fair no-vig price is your best estimate of the true implied probability of each outcome.
4. If you can get a price at a square book that beats the no-vig fair number, you have positive expected value against the sharp market. This is the definition of a +EV bet.
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1. Copy both sides of a market from a sharp book (Pinnacle preferred when available).
2. Paste the American odds into both fields.
3. The fair no-vig price is your best estimate of the true implied probability of each outcome.
4. If you can get a price at a square book that beats the no-vig fair number, you have positive expected value against the sharp market. This is the definition of a +EV bet.
Related: CLV essay ยท CLV calculator