Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| Montevideo City Torque O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Montevideo City Torque 2nd Half O/U 0.5 | 100% |
| CA Tigre (-1.5) | 0% |
| Montevideo City Torque (-1.5) | 0% |
| CA Tigre (-2.5) | 0% |
| Montevideo City Torque (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| CA Tigre O/U 0.5 | 0% |
| CA Tigre O/U 1.5 | 0% |
| CA Tigre O/U 2.5 | 0% |
| Montevideo City Torque O/U 1.5 | 0% |
| Montevideo City Torque O/U 2.5 | 0% |
| CA Tigre 1st Half O/U 0.5 | 0% |
| CA Tigre 1st Half O/U 1.5 | 0% |
| Montevideo City Torque 1st Half O/U 0.5 | 0% |
| Montevideo City Torque 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| CA Tigre 2nd Half O/U 0.5 | 0% |
| CA Tigre 2nd Half O/U 1.5 | 0% |
| Montevideo City Torque 2nd Half O/U 1.5 | 0% |
Market context
CA Tigre and Montevideo City Torque will contest a Copa Sudamericana fixture on 12 August at 6:00 PM ET. Polymarket currently prices this contract at 0% YES, indicating traders are assigning negligible probability to the existence of additional markets for this specific matchup beyond those already live. The settlement window closes at 22:00 UTC on the same date, giving roughly 16 hours post-kickoff for new conditional markets to materialise on the platform before resolution.
Copa Sudamericana matches routinely attract secondary market creation on Polymarket, particularly when fixtures involve established Argentine or Uruguayan clubs. Tigre, based in Buenos Aires, competes regularly in continental competitions, whilst Montevideo City Torque represents Uruguay's capital. Historical precedent shows that major South American derbies and knockout-stage encounters frequently spawn derivative markets covering goal-scorer predictions, exact scorelines, and card-related outcomes. However, group-stage or early-round fixtures between these sides have generated minimal ancillary market activity in previous seasons, which may explain the current zero probability assessment.
Traders should monitor Polymarket's official announcements and the Copa Sudamericana fixture schedule for any last-minute market creation signals. Match significance—whether this encounter determines qualification or carries playoff implications—will influence whether the platform's market operators deem additional contracts viable. Fixture postponements or scheduling changes could extend the settlement window, though no such disruptions have been flagged as of the current date. The 0% pricing reflects genuine scarcity expectations rather than certainty of non-occurrence.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.
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
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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