Calculators/Hold Calculator

Hold Calculator

Measures bookmaker margin (hold) and compares vig across books for the same market.

How it works

Inputs

  • Odds from multiple bookmakers
  • Outcome names

Results

  • Hold % per book
  • Best odds per outcome
  • Fair odds from sharpest book
  • Rating per book

When to use

Use to identify which bookmaker offers the sharpest (lowest margin) odds on a market.

Example

Book A: 1.91/1.91 (4.76% hold) vs Book B: 1.95/1.87 (4.12% hold) — Book B is sharper.

Frequently Asked Questions

What is hold percentage?

Hold percentage is the total margin the bookmaker builds into a market. A lower hold means better value for bettors. Sharp bookmakers typically have 2-4% hold, while softer books can be 6-10%+.

Need live odds data?

HyperOdds automatically finds the best odds across all major Australian bookmakers in real-time.