What is a Sportsbook?

Definition: A Sportsbook is the product and operational system that enables sports and event betting. It includes:

Event and market creation, pricing (odds compiling), and risk management
Bet placement and settlement (including results feeds)
Pre-match and live betting infrastructure
Player-facing features such as betslip, cashout, bet history, and limits (where applicable)

In B2B contexts, “sportsbook” may also refer to the platform/provider delivering these capabilities to operators.

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Related Terms

Implied Probability

Implied probability is the chance of an outcome expressed by the odds. It converts a price into a percentage.

Odds Formats (American, Decimal, Fractional)

Odds formats are different ways of writing the same price. A sportsbook front-end can display decimal, fractional or American odds depending on the market and player settings.

Fixed Odds

Fixed odds betting is a model where the price is agreed when the bet is placed. The payout is calculated from those odds, even if the market price changes later.

Wager (Stake)

A wager is a bet placed on an outcome. The stake is the amount of money committed to that bet. In everyday use the two words are often interchangeable.

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