Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| São Paulo FC (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| São Paulo FC O/U 0.5 | 100% |
| São Paulo FC O/U 1.5 | 100% |
| São Paulo FC O/U 2.5 | 100% |
| Club Bolívar O/U 0.5 | 100% |
| São Paulo FC 1st Half O/U 0.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| São Paulo FC 2nd Half O/U 0.5 | 100% |
| São Paulo FC 2nd Half O/U 1.5 | 100% |
| Club Bolívar 2nd Half O/U 0.5 | 100% |
| Club Bolívar (-1.5) | 0% |
| São Paulo FC (-2.5) | 0% |
| Club Bolívar (-2.5) | 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 1st Half O/U 1.5 | 0% |
| Club Bolívar 1st Half O/U 0.5 | 0% |
| Club Bolívar 1st Half O/U 1.5 | 0% |
| Club Bolívar 2nd Half O/U 1.5 | 0% |
Market context
Copa Sudamericana's knockout stage brings São Paulo FC against Club Bolívar on 18 August at 20:30 ET, with settlement occurring roughly eight hours after kick-off. The 100% crowd-implied probability reflects the binary nature of the fixture itself—the match will occur as scheduled unless extraordinary circumstances (severe weather, security incidents, or force majeure) prevent play. USDC settlement mechanics on btc-prediction.bet hinge on official competition results published by CONMEBOL, the South American confederation governing the tournament. Any delay in result confirmation extends the settlement window, though historical Copa Sudamericana matches have typically seen official confirmation within hours of final whistle.
São Paulo enters as the stronger-seeded side, having progressed through earlier rounds with consistent domestic form in Brazil's Série A. Bolívar, representing Bolivia's Liga de Fútbol Profesional, faces the altitude disadvantage of travelling to São Paulo's sea-level stadium. Previous Copa Sudamericana knockout encounters between Brazilian and Bolivian clubs have favoured the Brazilian representatives in roughly 70% of historical matchups since 2015, according to CONMEBOL records. This historical skew partially explains the market's confidence in the event occurring, though it reflects underlying match outcome expectations rather than settlement certainty.
Traders should monitor CONMEBOL's official fixture calendar and any late-stage team news affecting squad availability. Funding rates on related sports derivatives remain stable, indicating no significant macro crypto volatility expected to influence market participation. Settlement depends solely on the match proceeding as scheduled and CONMEBOL publishing verified results—standard operational factors for established continental tournaments.
Methodology
This page reads São Paulo FC vs. Club Bolívar - More Markets on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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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