Betfair Exchange
8.6Betting Exchange
The original peer-to-peer betting exchange, strongest on sport with some politics and specials.
Sports • Politics • Entertainment
Funding: Fiat · App: Yes
Country guide
🇬🇧 Prediction markets in United Kingdom
The United Kingdom has the most mature betting-exchange market in the world, but the newer crypto prediction markets are largely closed to UK customers.
8 prediction sites confirmed available in United Kingdom.
Prediction sites available in United Kingdom
Smarkets
8.2Betting Exchange
Low-commission betting exchange with strong politics and sports coverage.
Sports • Politics • Entertainment • World Events
Funding: Fiat · App: Yes
Matchbook
7.6Betting Exchange
Sports-focused betting exchange known for low commission on racing and football.
Sports • Politics
Funding: Fiat · App: Yes
Manifold
7.4Prediction Market
Play-money prediction market with a huge range of user-created questions.
Politics • Technology • Economics • Entertainment
Funding: Fiat · App: No
Metaculus
7.0Other
Forecasting platform with reputation scoring rather than financial stakes.
Technology • Economics • Politics • World Events
Funding: Fiat · App: No
Good Judgment Open
4.2Prediction Market
Free forecasting tournament platform run by the team behind superforecasting research.
Politics • World Events • Economics • Technology
Funding: Fiat · App: No
INFER
3.9Prediction Market
Crowd forecasting platform focused on science, technology and national security questions.
Technology • World Events • Politics • Economics
Funding: Fiat · App: No
BETDAQ
3.9Betting Exchange
Long-running British betting exchange focused on horse racing and football with low commission.
Sports
Funding: Fiat · App: Yes
Availability in United Kingdom
Licensed exchanges such as Betfair, Smarkets and Matchbook are fully available in the UK. Most crypto-native prediction markets, including Polymarket, block UK customers because event contracts sold to UK consumers fall under gambling licensing.
Regulation in United Kingdom
The Gambling Commission licenses betting exchanges and enforces strict rules on customer funds, advertising and affordability checks. An unlicensed prediction market that accepts UK customers is operating outside that framework, which is why most choose to geoblock instead.
How prediction markets work here
UK exchanges use a back-and-lay model: you either back an outcome or lay it against another customer, and the operator takes commission on net winnings. Prediction markets elsewhere use YES/NO shares priced between 0 and 1, which is economically similar but priced differently.
Deposits and withdrawals
Debit card, bank transfer, Apple Pay, Google Pay and PayPal are standard. Credit cards are banned for gambling in the UK.
Sites that do not accept users in United Kingdom
Prediction market FAQs for United Kingdom
Is Polymarket available in the UK?
No. It restricts UK customers.
Are betting exchanges legal in the UK?
Yes, when licensed by the Gambling Commission.
What is the cheapest UK exchange?
Smarkets charges a flat 2% commission on net winnings with no premium charge.