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 |
|---|---|
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Cruzeiro EC 1st Half O/U 0.5 | 100% |
| Cruzeiro EC O/U 0.5 | 99% |
| O/U 1.5 | 65% |
| Cruzeiro EC O/U 1.5 | 59% |
| Cruzeiro EC (-1.5) | 56% |
| Associação Chapecoense de Futebol O/U 0.5 | 50% |
| Associação Chapecoense de Futebol O/U 1.5 | 50% |
| Associação Chapecoense de Futebol O/U 2.5 | 50% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Cruzeiro EC 2nd Half O/U 0.5 | 50% |
| Cruzeiro EC 2nd Half O/U 1.5 | 50% |
| Associação Chapecoense de Futebol 2nd Half O/U 0.5 | 50% |
| Associação Chapecoense de Futebol 2nd Half O/U 1.5 | 50% |
| Both Teams to Score | 31% |
| O/U 2.5 | 27% |
| Cruzeiro EC O/U 2.5 | 23% |
| Cruzeiro EC (-2.5) | 20% |
| O/U 3.5 | 7% |
| O/U 4.5 | 2% |
| O/U 5.5 | 1% |
| Both Teams to Score in First Half | 1% |
| 1st Half O/U 2.5 | 1% |
| Cruzeiro EC 1st Half O/U 1.5 | 1% |
| Associação Chapecoense de Futebol (-1.5) | 0% |
| Associação Chapecoense de Futebol (-2.5) | 0% |
| 1st Half O/U 1.5 | 0% |
| Associação Chapecoense de Futebol 1st Half O/U 0.5 | 0% |
| Associação Chapecoense de Futebol 1st Half O/U 1.5 | 0% |
Market context
The Cruzeiro EC vs. Associação Chapecoense de Futebol - More Markets prediction market currently prices this outcome at 100% YES. More markets for the Copa do Brasil game, scheduled for August 5 at 6:00 PM ET.
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.
- 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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