Building a sports betting exchange: architecture and odds matching
A betting exchange doesn't set odds — it matches them. That single difference changes almost everything about how the platform is built compared to a traditional sportsbook.
Sportsbook vs. exchange
A traditional sportsbook prices every market and takes the other side of every bet. An exchange is a marketplace: players back or lay an outcome against each other, and the platform earns commission on winnings instead of margin on odds.
The order book is the product
At the core sits a real-time order book matching back and lay positions by price and stake, similar to a financial exchange. Partial matches, order cancellation, and in-play repricing all have to be handled with the same rigor as a trading system.
Liability without a house edge
Because the platform isn't pricing risk itself, exposure management looks different — it's about matching engine integrity, commission accounting, and settlement correctness rather than balancing a book against the player.
In-play adds real-time pressure
Live markets mean odds and matched positions shift by the second as an event unfolds. The matching engine, market suspension logic, and settlement pipeline all need to handle that volume without introducing latency a trader could exploit.
Let's build something intelligent.
From the first idea to a production-ready system.