Prediction markets price an outcome as a simple YES or NO contract between 0 and 100. Here is every prediction site a UK player can legally use in 2026, what it costs, and where the platforms you have read about overseas actually stand.
The UK is not a blank slate for this product. Licensed order book betting has existed here for more than two decades, so prediction markets slot into rules that already exist rather than new ones.
The Gambling Commission has said prediction markets aimed at Great Britain generally need a UK licence, most likely as a betting intermediary, which is the same category used by betting exchanges.
Markets on sport and politics fall to the Gambling Commission. Markets tied to financial or certain climatic events fall to the FCA, which still treats them as binary options under its retail ban.
Sticking to UKGC licensed platforms keeps you inside dispute resolution, deposit limits, self exclusion through GAMSTOP and the rest of the UK player protections.
These live Polymarket examples show how a season long sports question becomes a set of YES or NO contracts. Each percentage is the current market price for that outcome, not our forecast or a recommendation.
Polymarket live market
Every club has its own contract. Buying YES on one club means backing it to win the competition. The prices across every club can total more than 100% because each contract trades separately.
Polymarket live market
Every driver has a separate championship contract. Prices move as results change the title race, while a driver who is mathematically eliminated should eventually settle at zero.
Prices checked 23 September 2026 at 23:40 BST.
Two of the biggest names in the sector block UK customers outright. What is left is a small, genuinely licensed group, led by the exchange operator that got there first.
Launched January 2026 as the first UKGC licensed platform built and named as a prediction market. Binary YES and NO contracts running on the Matchbook exchange engine. Sport only, no politics or economics markets.
ADI holds a Gibraltar licence, not a UK one, so UK access runs through its carriage deal with Matchbook. The ADI website itself is closed to UK players.
The UK has run licensed order book betting for over twenty years. Mechanically this is the closest legal alternative to a prediction market for most players.
The United Kingdom sits on Polymarket's own list of restricted jurisdictions.
The UK is listed as a restricted jurisdiction in its member agreement, and verification requires a US address and phone number.
Matchbook's parent company Triplebet became the first UK regulated prediction market operator in January 2026, repackaging its EasyBet sportsbook as a prediction market before extending the product to Matchbook itself.
The build is the right shape for the UK: Gambling Commission licensing, binary YES and NO contracts, 2% commission on net winnings, no expert fee and a £10 minimum deposit. Coverage at launch was major sport only, so there are no political or economic markets of the kind that made Polymarket and Kalshi famous.
The weakness is age rather than design. A market is only as good as the money sitting in it, and a platform that opened in January 2026 has had very little time to build order book depth or a long resolution record. Expect thin prices away from the biggest football, racing and US sport markets.
In June 2026 the prediction market operator ADI launched Predictstreet in the UK through a carriage deal with Matchbook, with predictstreet.matchbook.com added to the Triplebet licence. ADI is licensed in Gibraltar rather than by the Gambling Commission, and its own site remains closed to UK customers.
Correct as of September 2026. The regulatory position is moving: the FCA has confirmed its retail ban on binary options still stands while it reviews access to prediction market products, and the Gambling Commission has warned unlicensed operators not to target UK consumers. Always check a platform's current terms yourself. 18+, please gamble responsibly.
