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 |
|---|---|
| SC Corinthians Paulista (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| SC Corinthians Paulista O/U 0.5 | 100% |
| SC Corinthians Paulista O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| SC Corinthians Paulista 2nd Half O/U 0.5 | 100% |
| SC Corinthians Paulista 2nd Half O/U 1.5 | 100% |
| Red Bull Bragantino (-1.5) | 0% |
| Red Bull Bragantino (-2.5) | 0% |
| SC Corinthians Paulista (-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 | 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% |
| Red Bull Bragantino O/U 0.5 | 0% |
| Red Bull Bragantino O/U 1.5 | 0% |
| Red Bull Bragantino O/U 2.5 | 0% |
| SC Corinthians Paulista O/U 2.5 | 0% |
| Red Bull Bragantino 1st Half O/U 0.5 | 0% |
| Red Bull Bragantino 1st Half O/U 1.5 | 0% |
| SC Corinthians Paulista 1st Half O/U 0.5 | 0% |
| SC Corinthians Paulista 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| Red Bull Bragantino 2nd Half O/U 0.5 | 0% |
| Red Bull Bragantino 2nd Half O/U 1.5 | 0% |
Market context
Red Bull Bragantino’s home league meeting with Corinthians in Bragança Paulista is the real-world event behind this market, with the fixture listed for 9 August at 21:30 UTC at Estádio Cícero de Souza Marques.[2][8] The current crowd-implied probability of 0% YES looks less like a statement on the football itself and more like a pricing artefact for a “more markets” contract, where settlement depends on whether additional sub-markets are created rather than on the match result.
Historically, this pair has produced a fairly even but slightly volatile profile. Head-to-head data show Bragantino with 11 wins to Corinthians’ 7, plus 4 draws, over the last 22 meetings in one database, while another longer sample gives Corinthians a narrow overall edge and notes that recent scorelines have often been tight, including 3-0 Bragantino in January 2026, 2-1 Bragantino in November 2025, and 2-1 Corinthians in July 2025.[7][9][13] That mix of evenly matched results and alternating home advantage is useful context, but it does not by itself move a “more markets” outcome unless the exchange actually lists extra derivatives around the game.[4][6]
Traders should watch the market operator’s listing behaviour, because on-chain settlement in USDC means the key catalyst is usually whether new contract lines appear before the window closes, not the on-field action itself. For broader crypto context, BTC and ETH funding, spot volatility, and whale flows matter mainly if they affect liquidity on the exchange or risk appetite around event markets; absent a direct dependency, they are second-order inputs. The most relevant football-side dependency is the match being played as scheduled, since the fixture and venue are already confirmed by live-score and preview listings.[2][11][17]
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 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.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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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