Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) 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% |
| O/U 1.5 | 100% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| Club Bolívar O/U 0.5 | 100% |
| São Paulo FC O/U 0.5 | 100% |
| São Paulo FC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Club Bolívar 2nd Half O/U 0.5 | 100% |
| Club Bolívar (-1.5) | 0% |
| São Paulo FC (-1.5) | 0% |
| Club Bolívar (-2.5) | 0% |
| São Paulo FC (-2.5) | 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 in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Club Bolívar O/U 1.5 | 0% |
| Club Bolívar O/U 2.5 | 0% |
| São Paulo FC O/U 1.5 | 0% |
| São Paulo FC O/U 2.5 | 0% |
| Club Bolívar 1st Half O/U 0.5 | 0% |
| Club Bolívar 1st Half O/U 1.5 | 0% |
| São Paulo FC 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% |
| Club Bolívar 2nd Half O/U 1.5 | 0% |
| São Paulo FC 2nd Half O/U 0.5 | 0% |
| São Paulo FC 2nd Half O/U 1.5 | 0% |
Market context
Copa Sudamericana's knockout phase brings Club Bolívar of Bolivia and São Paulo FC of Brazil together on 11 August at 8:30 PM ET. The 0% implied probability on "More Markets" reflects the settlement window's technical nature—this market concerns additional betting options rather than a specific match outcome, making it a secondary fixture dependent on platform decisions rather than sporting performance.
Historical precedent suggests Copa Sudamericana knockout fixtures between Bolivian and Brazilian clubs rarely settle on ancillary market availability. Bolívar, a three-time Copa Libertadores winner, typically draws modest secondary-market coverage outside their home continent, whilst São Paulo's continental pedigree commands broader liquidity. The 0% reading likely indicates traders expect the platform to offer only core match markets (1X2, over/under) rather than exotic props or alternative spreads. Past tournaments show that secondary markets materialise only when primary fixtures generate sufficient volume—a threshold this pairing may not cross.
Traders should monitor São Paulo's squad announcements through early August, particularly regarding injury status for key players; fixture congestion in Brazil's domestic calendar occasionally forces clubs to field rotated lineups in continental play, which can influence whether platforms justify expanded market menus. Additionally, the Copa Sudamericana's scheduling flexibility means fixture postponements or venue changes could alter platform commitment to non-standard markets. The settlement window closes shortly after the match, leaving minimal time for market expansion post-kickoff, so any secondary offerings would need confirmation well before 11 August.
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 Who Will Win, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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.
- 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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