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Material Detail

Bookmaker Ratings by Real Cost: 205,491 Markets Measured | Bet Better

Bookmaker Ratings by Real Cost: 205,491 Markets Measured | Bet Better

We measured the bookmaker margin on 205,491 head-to-head betting markets across 31 bookmakers. The average is 4.78%, but it ranges from 3.16% to 5.78% depending which bookmaker you use.

Keywords:
open data, overround, probability, implied probability, bookmaker margin, statistics, sports betting
Disciplines:
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More about this material

Material Type:
Reference Material
Date Added to MERLOT:
September 28, 2026
Date Modified in MERLOT:
October 2, 2026
Author:
 
Submitter:
Edward Glush
Primary Audience:
College General Ed, College Lower Division, College Upper Division
Technical Format:
Spreadsheet (e.g. Excel), Website
Mobile Compatibility:
Not specified at this time
Language:
English
Cost Involved:
No
Source Code Available:
Yes
Creative Commons:
Creative Commons License
This work is licensed under a Attribution-NonCommercial-NoDerivatives 4.0 International

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