How to Use the Hold Calculator
The Betstamp Hold Calculator lets you calculate the theoretical edge a sportsbook has on a given market. It shows how much extra margin (or “vig”) is baked into the odds — giving you a fast read on whether the market is sharp, beatable, or overpriced.
Sharp bettors use this tool to identify low-hold markets that offer better long-term value.
Quick Start:
- Select your odds format (American, Decimal, or Fractional).
- Enter the best available odds for each side of the market.
- The calculator will return the theoretical hold percentage — the implied profit margin the book is taking.
Example:
Let’s say one sportsbook has the Vancouver Canucks at +135 and another has the Flames at -150. Plug both odds into the calculator.
It returns a hold of 2.4%, meaning the book is pricing in a 2.4% edge against bettors. The lower the hold, the better the market.
As a general rule:
- 0% hold = perfect market (extremely rare)
- <2% hold = sharp market
- >5% hold = soft or inefficient market, often found in niche sports or props
Tracking hold allows you to compare markets across sportsbooks, spot inefficiencies, and avoid overpriced lines.
With Betstamp PRO—the most advanced top-down betting odds screen in the market. Bettors will find hundreds of daily betting edges with ease, allowing you to scale your profits long-term. Click the banner to book a free demo.
