Herramienta de Comparación de Márgenes de Casas de Apuestas
El Fan Bet Odds Margin Index (FBOMI) convierte el overround de una casa en una puntuación de 0–100, clasificando qué casa ofrece más valor en cualquier mercado. Precargado con cuotas del ganador del Mundial 2026 (mayo 2026).
Bookmaker Margin Comparison
Enter odds from multiple bookmakers for the same market and see who offers the best value. The Fan Bet Odds Margin Index (FBOMI) ranks bookmakers 0–100 — higher is better. Data source: Fan Bet Odds internal research, May 2026.
Margin ranking (best value first)
| # | Bookmaker | Overround | Margin | FBOMI Score | Puntuación |
|---|---|---|---|---|---|
| 1 | ★Book C | 78.24% | +-21.76% | 318 | Excellent |
| 2 | Book A | 79.41% | +-20.59% | 306 | Excellent |
| 3 | Book B | 85.29% | +-14.71% | 247 | Excellent |
| 4 | Book F | 87.49% | +-12.51% | 225 | Excellent |
| 5 | Book D | 88.84% | +-11.16% | 212 | Excellent |
| 6 | Book E | 91.00% | +-9.00% | 190 | Excellent |
Fan Bet Odds Margin Index (FBOMI) v1.0 — May 2026. Formula: FBOMI = max(0, 100 − (overround% − 100) × 10). Pre-populated odds: Fan Bet Odds independent research, May 2026. Cite as: 'Fan Bet Odds (2026). Bookmaker Margin Index.'.
Qué significa esto
Every bookmaker builds a profit margin (overround or vig) into their odds by pricing each outcome slightly below its true probability. A World Cup winner market with 8 favourites priced so their implied probabilities sum to 115% has a 15% overround — you lose an expected $15 for every $100 staked on average.
The Fan Bet Odds Margin Index (FBOMI, v1.0) is calculated as: FBOMI = 100 − (overround% − 100) × 10. A score of 90+ means Pinnacle-tier pricing (≈1% margin). Below 50 means the bookmaker is charging more than 5% per market. Pre-populated data reflects Fan Bet Odds's independent odds survey of major bookmakers, May 2026.
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