Hold / Vig Calculator
Find the sportsbook\'s margin on any 2-way or 3-way market and remove the vig to see the "no-vig" fair odds. Useful for identifying value across operators and comparing market efficiency.
How hold works
Every market\'s implied probabilities sum to more than 100% — the excess is the hold. On a -110 / -110 spread:
110/210 + 110/210 = 52.38% + 52.38% = 104.76% → hold = 4.76%
That extra 4.76% goes to the sportsbook regardless of which side wins. Sharp bettors compare hold across operators to identify the most efficient market — typically reduced juice (-105/-105 = 2.38% hold) or international books.
Using no-vig odds to find value
If you can identify a "true" probability through analysis or a sharp source, comparing it to the no-vig probability from the sportsbook reveals expected value. If your estimate exceeds the no-vig probability, the bet is +EV.
Hold Calculator FAQ
What is the "hold" or "vig"?
Hold (also called vig, vigorish, or juice) is the sportsbook's built-in margin on a market. On a standard -110 / -110 spread, the hold is approximately 4.55%. A 0% hold market would offer "fair" pricing.
What is a "no-vig" or "fair" line?
A no-vig line is the implied probability after removing the sportsbook's margin proportionally from each side. No-vig odds represent the book's "true" estimate of probability. They're useful for comparing across operators and finding +EV bets.
Which Kansas sportsbook has the lowest hold?
bet365 and DraftKings frequently price at reduced juice on featured markets (e.g., -105/-105 instead of -110/-110). FanDuel's same-game parlay pricing tends to be the tightest. Hold varies by market — line shop across all seven operators.