Accumulator / Parlay
A single bet combining multiple selections — all must win, odds multiply, and so does the bookmaker's margin.
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Glossary Category: Sports Betting
Sportsbook terminology: odds, margins, bet types, trading and the betting product stack.
Arbitrage Betting
Exploiting price disagreements between books to guarantee profit by covering all outcomes at favorable combined odds.
Bet Builder / Same-Game Parlay
Combining multiple markets from one event into a single priced ticket — the industry's flagship high-margin product.
Betting Exchange
A peer-to-peer marketplace matching backers against layers, charging commission instead of building margin into odds.
Cash Out
Settling a bet early at the book's live valuation — locking profit or cutting loss before the event finishes.
Early Payout
Promotional settlement before the result is final — e.g., paying winners once a team leads by two goals.
Esports Betting
Wagering on competitive video games — a young vertical with data, integrity and audience profiles unlike traditional sport.
Free Bet
A promotional stake whose winnings (usually minus the stake) are paid in cash — sports betting's core bonus currency.
Futures
Long-horizon bets on season outcomes — champions, awards, totals — settled months after placement.
Handicap / Spread
Adjusting the contest by a virtual margin — favorites give points, underdogs receive them — to balance a lopsided matchup into a…
Handle
Total stakes accepted over a period — the volume metric of sports betting, before any results.
Hold (Sportsbook)
Revenue as a percentage of handle — the sportsbook's realized margin after results, fluctuating around its structural overround.
In-Play / Live Betting
Wagering during the event at continuously repriced odds — the format that now dominates sports betting volume.
Liability
The amount at risk on an outcome — a layer's exposure on an exchange, or the book's aggregate payout risk on a…
Matched Betting
Extracting promotional value by covering all outcomes — back the bonus at the book, lay it at an exchange, keep the difference.
Moneyline
A bet on who wins outright, priced in American plus/minus notation — the simplest wager in the book.
Odds
The price of a bet — expressing both implied probability and payout, quoted in decimal, fractional or American formats.
Odds Boost
A promotionally enhanced price on selected outcomes — margin given back to look generous, usually with stake caps.
Over/Under (Totals)
Betting whether combined scoring lands above or below the book's posted line — team-agnostic and parlay-fuel.
Overround / Vig
The bookmaker's margin baked into odds — implied probabilities summing above 100%, the sports equivalent of house edge.
Palpable Error
An obvious pricing or settlement mistake — the clause letting books void bets placed on clearly wrong odds.
Prop Bet
A wager on an in-game particular — player yards, first scorer, cards shown — rather than the result.
Recreational Player
The casual majority betting for entertainment — favorites, parlays, brand loyalty, and the revenue core of every book.
Risk Management / Trading
The sportsbook function pricing markets, managing exposure, and deciding who may bet how much.
Settlement
Grading and paying bets after results — the accuracy-and-speed function bettors judge books by.
Sharp Bettor
A consistently skilled bettor whose action beats closing prices — valuable as information, unwelcome as a customer at most books.
Sportsbook
The operator (or product vertical) accepting wagers on sporting events at posted odds.
Stake Factoring / Limits
Individually restricting how much specific customers may stake — the bookmaker's per-player risk dial.
Virtual Sports
RNG-driven simulated sporting events — sports aesthetics wrapped around slot mathematics, running around the clock.
Void Bet
A cancelled bet with stakes returned — triggered by abandonments, non-runners, rule-defined circumstances, or errors.