Reference

Betting glossary

Every term you'll meet on BetFinder, in plain English. The guides link here whenever a term first appears.

Accumulator (acca): A single bet combining several selections — legs — into one slip. Every leg must win for the bet to pay out: the odds multiply together, so returns grow quickly but the chance of landing falls with each leg. BetFinder's Build accumulator tool assembles slips around the combined chance of all legs landing. See also: Leg, Combined odds, Chance all land.
Awaiting price: The label on a game whose market has not properly formed yet — no reliable odds exist, so BetFinder shows no pick, probability or price rather than guessing one. The row fills in as soon as real prices arrive. See also: Market, Pick moved.

Back: To bet that something will happen — the ordinary way round. A back bet wins if your selection wins. BetFinder's standard board is a back board; the Lay toggle flips it to betting against selections instead. See also: Lay (laying), Exchange.
Backer's stake: The other side of a lay bet: the amount a backer puts on the selection you are laying. It is what you collect, minus commission, when the lay lands — and it sets the scale of your liability when it does not. See also: Lay (laying), Liability, Commission.
Banker: A very strong favourite treated as the safest building block of a bet. BetFinder's banker-style accumulator suggestions stack the highest-probability picks, prioritising the chance of the slip landing over the size of the potential payout. See also: Favourite, Accumulator (acca).
Bankroll: The pot of money you have set aside for betting, kept separate from everyday funds. Sensible staking is expressed as a small percentage of bankroll, so a normal losing run cannot do serious damage. See also: Stake, Suggested stake.
Best price: The highest odds currently available for a selection across the bookmakers BetFinder compares. Match pages show which bookmaker holds the best price for the recommended bet — the same bet can pay noticeably more at one book than another. See also: Bookmaker, Decimal odds.
Betslip: The bar that collects your legs while accumulator mode is armed. It shows each leg with its live status, the approximate combined odds and the estimated chance all legs land; tapping a board row adds or removes that game's pick. See also: Accumulator (acca), Combined odds, Pick moved.
Bookmaker: A company that offers fixed-odds bets and builds a profit margin into its prices. BetFinder compares bookmaker prices but never takes, places or holds bets itself; the Place at setting simply chooses which bookmaker your slip opens at. See also: Exchange, Overround (book margin), Best price.
Both teams to score (BTTS): A football market on whether both sides score at least one goal each, priced as a Yes/No pair. The final result does not matter — a 1–1 draw and a 4–1 win both land BTTS Yes. See also: Totals (over/under), Market.
Brier score: A standard accuracy measure for probability forecasts: the average squared gap between the stated chance and what actually happened. Lower is better — 0 would be perfect foresight. It is one of the standard yardsticks for grading settled picks. See also: Calibration, Settled.

Calibration: How well stated probabilities match reality: of all the picks given a 70% chance, roughly 70% should win. BetFinder's displayed probabilities are calibrated and margin-free, and its settled picks are graded over time to verify the percentages stay honest. See also: Confidence, Settled, Brier score.
Cards: Football markets on bookings — typically the total yellow and red cards shown in a match, priced as over/under lines or booking points. The referee's style and the fixture's needle matter as much as the teams' quality. See also: Corners, Totals (over/under).
Chance all land: BetFinder's estimate of the probability that every leg of an accumulator wins, shown as a percentage on the betslip and in the Build accumulator tool. It treats legs as independent, so related legs are flagged because they can distort the true figure. See also: Combined odds, Land rate, Correlated legs.
Closing line value (CLV): How the price you took compares with the final price just before the event starts. Consistently beating the closing line is widely regarded as the strongest evidence of genuine edge — which is why settled picks are commonly graded against the close. See also: Edge, Settled.
Combined odds: The price of an accumulator as a whole, found by multiplying the decimal odds of every leg. BetFinder shows combined odds on the betslip and marks them as indicative when any leg carries a model-derived fair price rather than a bookmaker price. See also: Accumulator (acca), Decimal odds, Fair odds.
Commission: The exchange's cut, taken from net winnings rather than baked into every price. BetFinder shows exchange expected value net of 5% commission, so the EV figure you see is what is left after the exchange's share. See also: Exchange, Expected value (EV).
Confidence: The percentage in the coloured chip on every board row — the estimated chance the recommended pick wins, with the bookmaker margin removed. The chip runs from red through amber to lime as probability rises, and nothing is presented as certain: effectively decided games are withheld rather than shown as sure things. See also: Calibration, Implied probability.
Corners: Football markets on the number of corner kicks in a match, usually priced as over/under lines. Corner counts track pressure and attacking style rather than goals, so they behave quite differently from result markets. See also: Totals (over/under), Cards.
Correlated legs: Accumulator legs whose outcomes are not independent — for example the same selection backed in two different events. Multiplying their probabilities then overstates or understates the real chance, so BetFinder flags correlated legs on the betslip rather than hiding the problem. See also: Accumulator (acca), Chance all land, Leg.

De-vig: Removing the bookmaker's margin from quoted odds to recover honest probabilities. BetFinder's displayed percentages are de-vigged — they describe the outcome's real chance, not the price. See also: Overround (book margin), Implied probability.
Decimal odds: Odds written as a single number, such as 2.10, showing the total returned per unit staked, stake included. Multiply your stake by the decimal price to get your returns. BetFinder shows decimal odds first, with the fractional equivalent underneath. See also: Fractional odds, Implied probability.
Double chance: A football market covering two of the three results in one bet — home or draw, away or draw, or either team to win. It lands far more often than a straight match-result bet, in exchange for shorter odds. See also: Match result (1X2), Draw no bet (DNB).
Draw no bet (DNB): A football market where your stake is refunded if the match ends in a draw. You win if your team wins and only lose if the other side wins, at shorter odds than the straight match-result price. See also: Match result (1X2), Double chance.

Edge: How much better a price is than the fair price, expressed as a percentage. A 3% edge means the odds pay 3% more than the true chance of the outcome justifies. On BetFinder, edge shows as a small green tag on a row's market label. See also: Expected value (EV), Fair odds, Value bet.
Elo rating: A rating system that scores players or teams from their results: beating a stronger opponent earns more points than beating a weaker one. Surface-aware ratings of this kind power the fair odds behind BetFinder's tennis picks; the Tennis ratings table itself ranks players by career win rate. See also: Surface, Form.
Exchange: A betting marketplace where you bet against other customers rather than a bookmaker. You can back outcomes or lay them, and the exchange takes a commission from net winnings instead of building a margin into every price. See also: Back, Lay (laying), Commission.
Expected value (EV): What a bet is worth on average if you could place it many times: the win probability times the payout, minus the chance of losing your stake. A positive EV (+EV) bet pays more than the risk justifies; a negative EV bet pays less. See also: Edge, Fair odds.

Fair odds: The odds an outcome would deserve if no bookmaker margin existed — the straight conversion of its true probability into a price. BetFinder marks model-derived prices with a 'fair' tag. See also: Edge, Implied probability.
Favourite: The selection the market rates most likely to win, carrying the shortest odds. BetFinder's headline pick is usually the favourite, because the board always leads with the most-likely-to-land bet rather than the biggest potential payout. See also: Longshot, Toss-up, Banker.
Field: The full set of runners in a race or competitors in an event. Win probabilities across the field add up to 100% once the bookmaker margin is removed, which is why BetFinder's de-vigged racing percentages are honest chances rather than inflated prices. See also: Runner, Win market, De-vig.
Fold: The traditional name for an accumulator's size: a four-fold has four legs, a five-fold has five. The bigger the fold, the longer the combined odds — and the lower the chance that every leg lands. See also: Accumulator (acca), Leg.
Form: A team's or player's recent results. BetFinder shows football form as a row of coloured pips — win, draw, loss — covering the latest matches, and includes racing form figures in a runner's note where they are available. See also: Elo rating, Runner.
Fractional odds: The traditional UK format, such as 11/10 — your profit relative to your stake, excluding the returned stake. A £10 bet at 11/10 wins £11 profit. BetFinder shows the fraction as a small sub-label beneath the decimal price. See also: Decimal odds.

Handicap: A market that gives one side a virtual head start to even up a mismatch — at −1.5 the favourite must win by two or more for the bet to land. Common in rugby, basketball and American football. See also: Market, Totals (over/under).

Implied probability: The chance of an outcome implied by its odds: 1 divided by the decimal price. Bookmaker prices imply slightly too much probability in total — that excess is the margin. See also: Fair odds, Overround (book margin).
In-play (live): Betting while the event is under way. BetFinder marks live games with a LIVE pill and refreshes in-play prices roughly every 15 seconds; a betslip leg that has started but lost its live feed is flagged as frozen at its pre-off numbers. See also: Pre-off, Pick moved.

Land rate: A probability restated as a plain frequency, such as '≈ 3 in 10'. BetFinder shows it beside an accumulator's chance-all-land percentage so you can read a 31% slip as one that lands roughly three times in every ten attempts. See also: Chance all land, Lands.
Lands: A bet lands when it wins. In Lay mode the big percentage on each row is the chance the lay lands — that is, the selection losing. BetFinder's lands figure never rounds up and caps at 99%: no lay is ever shown as certain. See also: Lay (laying), Land rate.
Lay (laying): Betting against a selection on an exchange: your lay wins if the selection loses. You act like the bookmaker — keeping the backer's stake when the lay lands, and paying out their winnings, your liability, when it does not. BetFinder's Lay mode always shows the risk beside the chance of landing. See also: Back, Liability, Lands.
Lay odds: The price you offer when laying a selection on an exchange. They set your liability: laying at 4.0 risks £3 for every £1 of backer's stake you take on. Lay odds usually sit a touch above the back price. See also: Lay (laying), Liability, Backer's stake.
Leg: One selection inside an accumulator. Every leg must win for the slip to pay out, so each extra leg raises the combined odds but lowers the chance of the whole bet landing. See also: Accumulator (acca), Fold, Single.
Liability: What you stand to lose on a lay bet if the selection wins: the lay odds minus one, per £1 of backer's stake. BetFinder shows liability next to every lay's chance of landing — the risk is never hidden behind the headline percentage. See also: Lay (laying), Lay odds, Risk cap.
Longshot: A selection with long odds and a small chance of winning. Longshot prices tend to flatter their true chances, which is why BetFinder labels long-odds value candidates as speculative instead of recommending them outright. See also: Favourite, Speculative.

Market: A set of priced outcomes you can bet on within one event — match result, totals, both teams to score and so on. Each board row names the market its headline pick sits in, and 'View all markets' opens the full list on the match page. See also: Match result (1X2), Totals (over/under).
Match result (1X2): The market on a game's outcome after normal time: home win, draw or away win. It is the default football market on BetFinder and the one the headline pick most often comes from. See also: Match winner, Double chance, Draw no bet (DNB).
Match winner: The two-way market on who wins the match, used in sports without a draw such as tennis. With no draw to price, your pick simply needs the player or team to win — there is no third outcome to dodge. See also: Match result (1X2), Win market.

Outright: A bet on the overall winner of a competition rather than a single fixture — a league title, a tournament, a championship. Outrights settle only when the competition ends, so your stake can be committed for weeks or months. See also: Win market, Field.
Overround (book margin): The bookmaker's built-in profit: the implied probabilities of every outcome in a market add up to more than 100%, and the excess is the margin you pay. See also: Implied probability, De-vig.

Pick moved: A betslip flag shown when live prices have shifted since you added a leg and the game's most-likely pick is no longer the one on your slip. It is a prompt to re-check that leg before acting on the slip. See also: In-play (live), Awaiting price.
Pre-off: The period before an event starts — the racing term for pre-match. Pre-off prices are the last quotes before the off; once the event begins the market goes in-play and prices can move sharply. See also: In-play (live), Closing line value (CLV).

Returns: The total amount a winning bet pays back, including your stake. At decimal odds of 2.10, a £10 stake returns £21 — £11 of profit plus the £10 stake back. See also: Stake, Decimal odds.
Risk cap: Lay mode's ceiling on liability. Lays whose risk runs past the cap never headline a row — the expanded field still lists them, flagged over risk cap — and collapsed league bands summarise how many games have a lay within it. You can change or remove the cap in the toolbar; lay settings deliberately reset between visits. See also: Liability, Lay (laying).
ROI (return on investment): Profit or loss as a percentage of the total money staked. Stake £100 across several bets, finish with £104, and your ROI is +4%. It is the cleanest single measure of whether a betting approach actually pays. See also: Strike rate, Settled.
Runner: A single competitor in a field event — a horse in a race, a golfer in a tournament. BetFinder's racing rows label runners with the jockey in brackets, and a lay against a runner lands if it finishes anywhere but first. See also: Field, Win market.

Settled: A bet or pick whose result is known and graded — won, lost or void. BetFinder grades its logged picks once events finish, and its accuracy figures are built only from settled picks, never from predictions still waiting on a result. See also: Calibration, Closing line value (CLV), ROI (return on investment).
Single: A bet on one selection only. If it wins you are paid your stake multiplied by the decimal odds. Singles land far more often than accumulators because nothing else has to go right. See also: Accumulator (acca), Stake.
Speculative: BetFinder's label for long-odds candidates that show apparent value but sit in the price range where odds are least reliable. They are listed separately from actionable value bets and never seed the headline pick or the suggested accumulators. See also: Value bet, Longshot.
Stake: The money you put on a bet. With decimal odds your returns are stake times odds, which includes the stake back; your profit is the returns minus the stake. See also: Returns, Suggested stake, Betslip.
Strike rate: The percentage of bets that win. A high strike rate feels good but does not guarantee profit — a run of short-priced winners can still lose money overall, which is why strike rate is best read alongside ROI. See also: ROI (return on investment), Favourite.
Suggested stake: BetFinder's recommended stake for an accumulator, shown as a percentage of bankroll. It follows a capped Kelly approach, never exceeds 2% of bankroll, and drops to zero on negative-EV slips — where the honest suggestion is not to place the bet at all. See also: Bankroll, Expected value (EV), Stake.
Surface: The court type a tennis match is played on — hard, clay or grass. Players can be markedly stronger on one surface than another, so the ratings behind BetFinder's tennis fair odds are surface-aware: a clay specialist is rated differently on grass. See also: Elo rating.

Toss-up: A market with no clear favourite, where the leading outcomes carry similar chances. BetFinder flags toss-ups so that a 52% pick is never dressed up as a confident call — you can see when a game is genuinely close. See also: Favourite, Confidence.
Totals (over/under): A market on the combined count in a game — most commonly goals, such as over or under 2.5. The half-line means there is no dead heat: over 2.5 needs three or more goals, under needs two or fewer. See also: Both teams to score (BTTS), Corners, Cards.

Value bet: A bet whose price pays more than the outcome's true chance justifies — a positive expected value bet. BetFinder's value picks must pass strict honesty checks, and on many days the honest count is zero: an empty list means no price cleared the bar. See also: Expected value (EV), Edge, Speculative.

Win market: The market labelled 'Win' on field events such as horse racing: you are backing one runner to finish first out of the whole field. On BetFinder these rows headline one runner with its chance and price, like any other game. See also: Runner, Field, Outright.