How to Read Betting Odds
Last updated: 13 June 2026
Betting odds show the price of a selection and the potential return if it wins. They also give a rough indication of how likely the market believes an outcome is.
Decimal Odds
Decimal odds show the total return for every £1 staked. For example, odds of 2.50 mean a £10 winning bet would return £25 in total: £15 profit plus the original £10 stake.
Fractional Odds
Fractional odds show potential profit compared with stake. Odds of 6/4 mean you could win £6 profit for every £4 staked. Your original stake is usually returned as well if the bet wins.
Implied Probability
Odds can be converted into implied probability. With decimal odds, divide 1 by the odds and multiply by 100. For example, decimal odds of 2.00 imply roughly a 50% chance before bookmaker margin is considered.
Implied probability is useful because it helps readers compare the market price with their own view of the likely outcome.
Why Odds Change
Odds can move because of team news, injuries, betting volume, market opinion, weather, fixture changes or bookmaker risk management. A price available when a tip is published may not be available later.
Odds Do Not Guarantee Outcomes
Short odds can lose and long odds can win. Odds are prices, not promises. Always check the latest bookmaker price and terms before placing a bet, and never bet more than you can afford to lose.