By Editorial Team, reviewed by Editorial Team (approved by site owner) · Published · 2 min read
Both models let people bet on sport, but the business underneath is different. Choosing between them early saves a lot of rework.
Who takes the other side of the bet
In a sportsbook, the operator sets the odds and is the counterparty. If a customer wins, the operator pays; if they lose, the operator keeps the stake. The operator therefore carries market risk and must price and manage it.
In an exchange, customers bet against each other. One customer backs an outcome, another lays it, and the platform matches them. The operator is not the counterparty, so the pricing risk sits with the participants.
How prices form
A sportsbook trading team (or a data provider) publishes prices and adjusts them as money and information arrive. On an exchange, prices come from the order book: the best available back and lay offers. Liquidity, meaning how much is on offer at each price, becomes the thing that makes or breaks the product.
How the operator earns
A sportsbook earns from its margin built into the odds. An exchange typically earns a commission on net winnings or on matched volume. The two models respond differently to growth: a sportsbook margin depends on good pricing and risk control, while an exchange depends on enough active users on both sides of each market.
What it means for technology
- Sportsbook: odds ingestion, a trading and risk back office, bet acceptance rules, settlement against official results.
- Exchange: a matching engine, order book display, partial matching, liability calculations for lay bets, and commission handling. Latency and correctness of matching matter a great deal.
- Both: wallets, identity checks, payments, reporting and responsible-gambling tools.
Choosing
If you want to control prices and products, a sportsbook is the natural fit. If you want a peer-to-peer product and can build or attract liquidity, an exchange is worth considering. Many operators run both on one platform, so the shared foundations (wallet, accounts, back office) are worth designing once.
Licensing and regulation differ by model and by country. Take legal advice before you decide.
