Sports Betting
Accumulator
An accumulator (acca) is a multi-leg bet where all selections generally must win for the ticket to pay.
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Sports Betting Terms
Sportsbooks, odds formats, market types, cash-out, integrity, and racing / pari-mutuel terminology.
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56 published definitions in this topic.
Sports Betting
American Odds
American odds use positive and negative numbers to show underdog profit on 100 or favorite stake needed to win 100.
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Asian Handicap
Asian handicap markets use whole, half, and quarter-ball lines that can split stakes and reduce draw outcomes.
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Back Bet
A back bet wagers that a selection will win (or place) at the taken price.
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Banker Bet
A banker is a high-confidence selection anchored across multiple combination bets.
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Bet Builder
A bet builder combines multiple same-event selections into one custom-priced wager.
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Betting Exchange
A betting exchange matches customers who back and lay outcomes, typically charging commission on net winnings.
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Betting Limit
A betting limit caps how much a customer may stake on a market or overall.
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Bookmaker
A bookmaker is a person or firm that sets odds and accepts bets, traditionally on racing and sports.
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Bookmaker Margin
Bookmaker margin is the built-in pricing advantage reflected when market odds sum above 100% implied probability.
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Cash Out
Cash-out lets a bettor settle a bet early for an operator-offered amount before the event finishes.
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Closing Line Value
Closing line value compares your bet price to the market’s closing price as a skill and pricing benchmark.
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Dead Heat
A dead heat occurs when selections finish equal, with stakes typically divided under dead-heat rules.
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Decimal Odds
Decimal odds express total return per unit stake, including stake, as a single multiplier.
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Each-Way Bet
An each-way bet places equal stakes on a selection to win and to place under published place terms.
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Exacta
An exacta wins when the first and second finishers are picked in the correct order.
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Fixed-Odds Betting
Fixed-odds betting locks the price at the time the bet is struck, so potential returns are known before the event.
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Fractional Odds
Fractional odds state profit relative to stake, such as 5/1 meaning five units profit per unit staked.
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Futures Bet
A futures bet wagers on a long-term outcome such as a championship winner before or during a season.
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Geolocation
Geolocation verifies a bettor’s physical location to enforce where online wagering is permitted.
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Graded Bet
A graded (settled) bet has been officially won, lost, pushed, or voided under house rules.
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Handicap Betting
Handicap betting applies a virtual head-start or deficit so mismatched sides can be priced competitively.
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Horse Race Betting
Horse race betting wagers on race outcomes through fixed-odds bookmakers or pari-mutuel pools.
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Implied Probability
Implied probability is the chance suggested by a price before or after removing the bookmaker margin.
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In-Play Betting
In-play betting is wagering during an event while markets remain open and priced live.
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Lay Bet
A lay bet wagers that a selection will not win, effectively taking the bookmaker side on an exchange.
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Line Shopping
Line shopping compares prices across sportsbooks to take the best available number.
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Live Betting
Live betting places wagers after an event has started, with prices updating as play unfolds.
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Moneyline
A moneyline is a bet on which side wins the game or match, without a point spread.
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Morning Line
The morning line is an early handicapper’s estimated odds printed before wagering shapes the pool.
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Odds Boost
An odds boost is a promotional improvement to a market’s price for a limited stake or time.
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Over/Under
An over/under (totals) bet wagers whether combined scoring finishes above or below a posted line.
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Overround
Overround is the amount by which the sum of implied probabilities on a market exceeds 100%.
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Pari-Mutuel Betting
Pari-mutuel betting pools all stakes on a market and pays dividends from the pool after takeout.
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Parlay
A parlay combines multiple selections into one wager that typically requires all legs to win.
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Placepot
A placepot is a pool bet requiring place selections across a sequence of races at a meeting.
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Point Spread
A point spread handicaps a favorite by a points line so both sides of a game can be priced near even.
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Post Time
Post time is the scheduled start time of a race when betting typically closes for that contest.
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Prop Bet
A prop bet is a wager on a specific occurrence within an event rather than only the final winner.
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Push Bet
A push occurs when a bet neither wins nor loses—commonly when a spread lands exactly—returning the stake.
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Quinella
A quinella wins when the top two finishers are picked in either order.
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Rule 4
Rule 4 is a deduction from winning returns when a non-runner alters early fixed-odds racing prices.
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Same-Game Parlay
A same-game parlay combines multiple correlated markets from one event into a single priced ticket.
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Sharp Bettor
A sharp bettor is a sophisticated wagerer associated with informed pricing, limits, and market-moving stakes.
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Sportsbook
A sportsbook is an operator or platform that accepts wagers on sports and related events under published odds or rules.
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Starting Price
Starting price (SP) is the industry-agreed price of a runner at the off, used to settle many racing bets.
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Steam Move
A steam move is a rapid, coordinated line move often attributed to sharp or syndicate action.
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Superfecta
A superfecta requires picking the first four finishers in exact order.
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Takeout
Takeout is the percentage deducted from a pari-mutuel pool before dividends are paid to winning tickets.
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Teaser
A teaser is a multi-leg bet that moves spreads or totals in the bettor’s favor in exchange for worse combined odds.
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Tote Betting
Tote betting places wagers into a totalisator pool that returns pari-mutuel dividends.
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Trifecta
A trifecta wins when the first, second, and third finishers are selected in exact order.
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Vigorish
Vigorish (vig or juice) is the bookmaker’s commission or pricing edge built into odds or bet pricing.
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Void Bet
A void bet is cancelled under house rules, typically returning the stake as if the wager never stood.
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VPN Detection
VPN detection identifies proxy or virtual-private-network traffic used to disguise a bettor’s true location.
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Win Place Show
Win, place, and show are basic racing bets on finishing first, first-or-second, or first-through-third.
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