Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
93% | 7% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
93% | 7% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 93% |
| CS Cienciano O/U 0.5 | 87% |
| 2nd Half O/U 0.5 | 78% |
| O/U 1.5 | 76% |
| 1st Half O/U 0.5 | 70% |
| CS Cienciano 2nd Half O/U 0.5 | 65% |
| CS Cienciano O/U 1.5 | 59% |
| CS Cienciano 1st Half O/U 0.5 | 59% |
| Montevideo City Torque O/U 0.5 | 55% |
| O/U 2.5 | 51% |
| Montevideo City Torque 2nd Half O/U 1.5 | 51% |
| Both Teams to Score | 48% |
| 2nd Half O/U 1.5 | 44% |
| CS Cienciano (-1.5) | 40% |
| Montevideo City Torque 2nd Half O/U 0.5 | 36% |
| 1st Half O/U 1.5 | 33% |
| CS Cienciano O/U 2.5 | 31% |
| CS Cienciano 2nd Half O/U 1.5 | 30% |
| O/U 3.5 | 28% |
| CS Cienciano 1st Half O/U 1.5 | 27% |
| Montevideo City Torque 1st Half O/U 0.5 | 27% |
| Both Teams to Score in Second Half | 23% |
| CS Cienciano (-2.5) | 19% |
| Montevideo City Torque O/U 1.5 | 19% |
| 2nd Half O/U 2.5 | 19% |
| Both Teams to Score in First Half | 17% |
| O/U 4.5 | 14% |
| 1st Half O/U 2.5 | 12% |
| O/U 5.5 | 6% |
| Montevideo City Torque 1st Half O/U 1.5 | 5% |
| Montevideo City Torque (-1.5) | 4% |
| Montevideo City Torque O/U 2.5 | 4% |
| Montevideo City Torque (-2.5) | 1% |
Market context
Live Polymarket data shows 93% YES probability for CS Cienciano vs. Montevideo City Torque - More Markets. More markets for the Copa Sudamericana game, scheduled for September 10 at 8:30 PM ET.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- What are the best prediction markets for UK traders in 2026?
- For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.
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