Football Betting Glossary: Terms Explained in Plain English

American odds express profit relative to 100 units.

A closing line is the odds recorded from a named source at a defined time near the start of an event.

Closing line value (CLV) compares the odds accepted for a bet with a pre-defined price for the same selection near market close.

Decimal odds show the total return per unit staked, including the returned stake.

A betting edge is an estimated positive expected return at the odds actually available.

Expected value (EV) is the probability-weighted mean net result across all possible outcomes.

Fractional odds express potential profit relative to stake.

Raw implied probability converts odds into a break-even percentage.

Odds-on describes a price where the potential profit is smaller than the stake.

Overround is the amount by which the reciprocal decimal prices for a complete set of outcomes sum above 100%.

A value bet is a wager with positive expected net return under a stated probability estimate and the accepted odds.

A 1X2 market prices three football match results from the home team's perspective: 1 is a home win, X is a draw, and 2 is an away win.

Ante-post betting means accepting odds before a future event, tournament, or season outcome is decided.

Asian handicap betting removes the draw from the equation by giving one team a virtual goal advantage or deficit before the match starts.

BTTS means Both Teams to Score.

A correct score bet wins only when the selected score exactly matches the result at the end of the market's settlement period.

Double chance is a football market that covers two of the three match results in one selection: 1X is home win or draw, X2 is draw or away win, and 12 is either team to win.

Draw No Bet (DNB) is a football market in which your selection must win for the bet to pay.

Each way betting splits your wager into two parts: a win bet and a place bet.

Half-time/full-time (HT/FT) is a nine-selection football market combining the result at half-time with the result at full-time.

Football handicap betting adds or subtracts virtual goals before settlement.

In-play betting, also called live betting, means requesting a bet after an event has started.

An Over/Under goals bet is settled by the match's total goal count relative to a stated line, regardless of which team scores.

A football scorecast commonly combines a named first goalscorer with the correct full-time score.

An accumulator, or acca, is a single bet containing two or more selections.

A banker is an informal label for a selection treated as especially dependable or included in every chosen combination.

Correlation in betting describes how dependent selections have a joint probability that differs from the product of their standalone probabilities.

A double is the simplest form of accumulator.

Dutching means backing more than one selection in the same market and sizing the stakes so that each backed winner produces the same gross return.

A treble combines three selections into one multiple bet.

A betting bankroll is a defined spending limit kept separate from money needed for bills, savings, debt, or everyday life.

Best Odds Guaranteed (BOG) is a promotion that settles an eligible winning bet at the better of the accepted early price and the operator's defined starting price.

Cash out is an operator offer to settle all or part of an open bet before its normal conclusion.

A free bet is a promotional wagering token, not withdrawable cash.

A lay bet is an exchange position against a named selection.

Matched betting combines a promotional bookmaker bet with an opposing exchange bet to reduce exposure to the sporting result.

A stake is the amount committed to a bet.

A void bet is settled without a win or loss under the applicable market rules.

Expected goals (xG) is a provider-specific modelled probability that a shot becomes a goal.

The Kelly criterion gives a theoretical bankroll fraction for an idealised repeated bet when the payoff and true win probability are known.

The Poisson distribution gives the probability of k events from an assumed rate lambda: P(K=k) = e^-lambda x lambda^k / k!.

Regression to the mean is the tendency for a repeated noisy measurement to be less extreme after cases were selected for an unusually high or low first measurement.

Betting yield is net profit or loss divided by total settled stakes, usually expressed as a percentage.