Betfair pioneered peer-to-peer exchange betting; Polymarket pioneered on-chain prediction markets. In 2026, serious traders use both — but for different use cases. Here's the complete comparison.
Key Differences at a Glance
| Factor | Polymarket (via PolyGram) | Betfair |
|---|---|---|
| Commission model | ~2% spread on execution | 2-5% commission on net winnings |
| Topic scope | Politics, crypto, sports, science | Primarily sports + elections |
| In-play markets | Limited | Excellent (core product) |
| Settlement | USDC (instant on-chain) | GBP/EUR (standard banking) |
| US access | Yes (via PolyGram) | No (geo-blocked in US) |
| Account banning | No | Yes — winners get limited |
| Minimum stake | $0 (PolyGram) | £2 minimum on most markets |
Where Betfair Wins
- In-play sports trading: Betfair's live markets during events are unmatched — second-by-second price movement
- Horse racing: Betfair's horse racing liquidity dwarfs any prediction market
- UK/EU sports focus: Premier League, Six Nations, Wimbledon often deeper on Betfair than prediction markets
- Fiat currency: No crypto complexity for GBP/EUR traders
Where PolyGram Wins
- Political markets: US elections, global politics — far deeper on Polymarket CLOB
- Crypto and science markets: Betfair doesn't offer these
- No account restrictions: winning traders are welcome indefinitely
- Global access without geo-blocking
- USDC settlement — no banking delays
FAQ
- Can I use both Betfair and PolyGram simultaneously?
- Yes — many professional traders use Betfair for in-play sports and PolyGram for political and crypto markets. The platforms complement each other.
- Are prices correlated between Betfair and PolyGram?
- For the same events (UK elections, major sports), prices typically converge. Occasional divergences create cross-platform trading opportunities.