Odds and margin
How decimal odds turn into implied probability, where the bookmaker's margin sits in a price and why it grows on a multi-leg slip.
A price is a probability with a fee folded in. The arithmetic is short, and every worked figure here is an illustrative example, not a real quote.
- How to work out the bookmaker margin in football odds
Turn decimal odds into implied probability, add the outcomes up, and read off the bookmaker's margin. Worked 1X2 example and the effect on multi-bets.