Glossary · 51 terms
Football betting glossary
Every term you'll encounter in AI-powered football betting, from expected value to Dixon-Coles, from Asian handicap to closing line value. Each entry is a self-contained explainer.
Analytics
Expected Goals (xG)
The probability that a shot becomes a goal, summed across a match.
Dixon-Coles Model
A statistical model of football scorelines based on team attack and defense ratings.
Regression to the Mean
The tendency of extreme results to be followed by results closer to average.
Calibration
How well a model's stated probabilities match observed frequencies.
Brier Score
A scoring rule for the accuracy of probability forecasts.
Log Loss
A scoring rule that penalizes confident wrong predictions heavily.
Monte Carlo Simulation
Estimating outcome probabilities by simulating a process many times.
Expected Points (xPts)
The points a team would earn on average given the match xG distribution.
Bankroll
Kelly Criterion
A formula for optimal stake size given an edge and odds.
Bankroll Management
Rules for stake sizing that keep you solvent through variance.
Tilt
Emotion-driven betting that breaks the variance assumption value betting depends on.
Responsible Gambling
The practice of betting within limits that protect financial and mental health.
Stake Plan
A pre-committed rule for how much to stake on each bet.
Rollover
Cycling through betting volume requirements, often tied to bonuses.
Free Bet
A promotional bet where the stake is not returned with winnings.
Concepts
Sharp Money
Bets placed by professional, model-driven bettors that move the market.
Odds Movement
How a bookmaker's prices change between line release and kickoff.
Steam Move
A rapid, multi-book line movement triggered by sharp action.
Form Bias
Overweighting recent results when forecasting future ones.
Home Advantage
The systematic edge teams enjoy when playing at their home ground.
Neutral Venue
A match played at neither team's home ground, eliminating home advantage.
Market Efficiency
The degree to which betting prices already reflect available information.
Public Bias
Systematic tendencies in casual bettors' selections that distort prices.
Press Conference Signal
Pre-match manager statements that hint at lineup, fitness and tactical changes.
Markets
Asian Handicap
A two-outcome handicap market that removes the draw possibility.
Over/Under (Total Goals)
A market on whether the total goals in a match exceed a stated line.
Both Teams to Score (BTTS)
A market on whether each team scores at least one goal.
Draw No Bet (DNB)
A 1X2 variant where the stake is refunded if the match draws.
Double Chance
A 1X2 market that combines two of the three possible outcomes.
1X2 Market
The standard three-outcome football market: home win, draw, away win.
Betting Exchange
A peer-to-peer marketplace where bettors back and lay each other directly.
Lay Bet
Betting against an outcome on an exchange. You win the backer's stake and risk paying the backer's potential profit.
Clean Sheet
A match in which a team does not concede a goal.
Anytime Goalscorer
A market on whether a specified player scores at any point in the match.
First Goalscorer
A market on which player scores the first goal of the match.
Corners Market
Markets on the total number of corners or corner handicaps.
Cards Market
Markets on bookings, total cards, team cards, and player cards.
In-Play (Live) Betting
Betting on a match while it is in progress.
Cash Out
A bookmaker feature to settle an active bet for a current market value before it concludes.
Math
Expected Value (EV)
The average outcome of a bet if it were repeated infinitely many times.
Implied Probability
The probability of an outcome derived from its decimal odds.
Overround / Vig
The bookmaker's built-in margin across a market.
Poisson Distribution
A probability distribution used to model the number of goals in a football match.
Variance
The statistical scatter of bet outcomes around their expected value.
Strategy
Value Bet
A bet where your estimated probability exceeds the bookmaker's implied probability.
Accumulator (Parlay)
A bet combining multiple selections that all must win.
System Bets (Yankee, Lucky 15, etc.)
Bet combinations that include all sub-accumulators of a selection set.
Closing Line Value (CLV)
The price you took compared to the price at kickoff. The single best long-term skill metric.
Arbitrage Betting
Risk-free profit by betting all outcomes across bookmakers with mispriced lines.
Hedging
Placing an opposing bet to lock in profit or limit loss on an active position.
AI Betting
Using machine-learning models to estimate match probabilities and identify value.