Bookmaker margin—also called overround—is the built‑in commission in sports odds. See how to spot it in two‑outcome prices, why it varies by market, and how it affects long‑run cost.
Tag: betting mathematics
Overround and Odds: How Bookmaker Margin Shapes Price
Bookmaker margin isn’t hidden magic—it’s the extra percentage built into odds. Learn how overround works, why it varies by market, and what it means over time.