Casumo: margins and market data
Across 1,434 markets observed in the last 7 days (4 sports, 13 leagues), Casumo's median bookmaker margin was 7.17% — rank #47 of 99 tracked books (lower is better for bettors). Where at least five books priced the same market, Casumo had the single best price 8.4% of the time.
| Market family | Median margin |
|---|---|
| Moneyline / match result | 6.52% |
| Handicaps / spreads | 8.78% |
| Totals | 7.73% |
In the last 90 days, Casumo posted the board-leading price on 50 signals flagged by Omenizer's detection engine.
The margin is the bookmaker's built-in fee: the amount by which its implied probabilities exceed 100%. A 7.17% margin means that, on a typical Casumo market, prices pay out 7.17% less than a fair-value book would. Omenizer's fair prices remove this margin using sharp reference sources — the methodology explains how.
See where Casumo beats fair value — free account