How do prediction markets work for sports?
Sports prediction markets let users trade contracts tied to real sports outcomes, with prices often readable as market probabilities.
The short version
A sports prediction market lists contracts tied to outcomes such as a team winning a game or a player achieving a milestone. If the event resolves true, winning contracts pay according to the market rules; if false, they do not.
Price as probability
A contract price can often be read as an implied probability. A 64-cent yes price roughly means the market prices the outcome near 64%, before fees, spreads, and liquidity effects.
Trading vs. waiting
Users may hold until settlement or trade before the event ends. Prices can move with injuries, lineups, weather, score changes, news, and market demand.
Why rules matter
Settlement source, event wording, postponements, cancellations, stat corrections, and timing rules all matter. A market is only as clear as its resolution criteria.
Risk and liquidity
Even if your probability view is right, spreads, thin order books, fees, and market limits can affect returns. Good markets need clear rules, reliable data, and enough liquidity to enter and exit fairly.