Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
98% | 2% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
98% | 2% | 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 |
|---|---|
| O/U 0.5 | 98% |
| O/U 1.5 | 87% |
| 1st Half O/U 0.5 | 86% |
| CA Boca Juniors O/U 0.5 | 80% |
| CA Boca Juniors O/U 1.5 | 78% |
| CA Boca Juniors 1st Half O/U 0.5 | 72% |
| O/U 2.5 | 70% |
| 2nd Half O/U 0.5 | 70% |
| 2nd Half O/U 1.5 | 70% |
| CA Boca Juniors (-1.5) | 64% |
| CA Boca Juniors O/U 2.5 | 64% |
| 1st Half O/U 1.5 | 60% |
| Recoleta FC 1st Half O/U 0.5 | 60% |
| 2nd Half O/U 2.5 | 60% |
| Recoleta FC O/U 0.5 | 59% |
| Both Teams to Score in Second Half | 57% |
| CA Boca Juniors 1st Half O/U 1.5 | 50% |
| Recoleta FC 1st Half O/U 1.5 | 50% |
| CA Boca Juniors 2nd Half O/U 0.5 | 50% |
| CA Boca Juniors 2nd Half O/U 1.5 | 50% |
| Recoleta FC 2nd Half O/U 0.5 | 50% |
| Recoleta FC 2nd Half O/U 1.5 | 50% |
| O/U 3.5 | 48% |
| Both Teams to Score in First Half | 48% |
| Both Teams to Score | 43% |
| CA Boca Juniors (-2.5) | 40% |
| O/U 4.5 | 39% |
| Recoleta FC (-2.5) | 35% |
| Recoleta FC O/U 2.5 | 35% |
| Recoleta FC O/U 1.5 | 31% |
| 1st Half O/U 2.5 | 14% |
| O/U 5.5 | 11% |
| Recoleta FC (-1.5) | 4% |
Market context
Boca Juniors will face Recoleta FC in the Copa Sudamericana on 11 August at 6:00 PM ET. The match represents a knockout-stage encounter in South America's secondary continental club competition, with settlement occurring at 22:00 UTC the same evening. The 64% implied probability reflects Boca's status as a significantly stronger outfit; the Buenos Aires club competes in Argentina's top division and has won the Copa Sudamericana twice, whilst Recoleta operates in the second tier. Historical matchups between clubs of this calibre in the Copa Sudamericana show the favoured side prevails roughly 70–75% of the time, suggesting the current probability sits slightly conservative relative to typical form differentials.
Traders should monitor team news through 11 August, particularly injury updates to Boca's key attacking players and any late squad changes announced by either side. Copa Sudamericana fixtures occasionally feature fixture congestion; Boca's domestic league schedule in early August may affect rotation decisions. USDC settlement will trigger automatically at the scheduled window close, with no manual review period. Funding rates on correlated football derivatives across major exchanges have remained stable, indicating no significant whale positioning shifts in related markets. Recoleta's recent domestic form and any public statements from either manager regarding tactical approach will provide marginal signals; however, the underlying talent gap remains the dominant pricing driver.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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 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.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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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