حاسبة هامش المراهنات (Hold)

The hold or margin is the bookmaker’s built-in profit. It is the amount by which the total implied probabilities exceed 100%. A 5% hold means the bookmaker expects to keep 5 cents of every dollar wagered.

Lower is better for bettors. Most sportsbooks have a hold of 4-10% on standard markets. Sharp bookmakers may offer 2-3% margins, while some prop bets can have 15%+ margins.

Fair odds are what the odds would be if the bookmaker had zero margin. They represent the true mathematical probability of each outcome as estimated by the market.