Betfair Exchange is the world's largest betting exchange, while Polymarket is the leading crypto-native prediction market. Both use order book models where users trade against each other, but they serve different markets and audiences.
| Feature | Polymarket | Betfair |
|---|---|---|
| Type | Prediction market (Polygon) | Betting exchange (traditional) |
| Founded | 2020 | 2000 |
| Markets | 1,000+ (politics, crypto, world events) | 10,000+ (mostly sports) |
| Fees | ~2% on winnings | 2-5% commission on winnings |
| Min Trade | $1 (USDC) | ~$2 (varies by currency) |
| Liquidity | Very high for top markets | Extremely high for sports |
| Copy Trading | Yes (via PredCopy) | No |
| Mobile App | No (web only) | Yes (iOS & Android) |
If you want to trade on political events, crypto markets, and world affairs with copy trading, Polymarket with PredCopy is the better choice. If you are primarily interested in sports betting with deep liquidity, Betfair remains the industry standard.
Betfair does offer some political markets, particularly around elections, but the selection is much more limited than Polymarket. Betfair's strength is in sports markets.
For sports, Betfair has far deeper liquidity. For prediction markets on politics, crypto, and current events, Polymarket generally offers better liquidity and tighter spreads.
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