Guides

Betting guides

Short, practical explanations with worked examples. Use them with the free odds tools.

Decimal, fractional and American odds explained with worked examples, plus how to turn any price into the probability it implies.

How to calculate a sportsbook's margin from its prices, what a typical margin is, and why it matters more than any bonus.

Free bets, deposit matches and bet-and-get offers explained, with the terms that decide what an offer is really worth.

Bet responsibly

Betting is entertainment, not income. Set deposit, loss and time limits when you open an account, and never chase losses.