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 |
|---|---|
| Ossett United FC (-1.5) | 100% |
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Ossett United FC O/U 0.5 | 100% |
| Ossett United FC 1st Half O/U 0.5 | 100% |
| Ossett United FC (-2.5) | 10% |
| Abbey Hey FC (-1.5) | 0% |
| Abbey Hey FC (-2.5) | 0% |
| O/U 1.5 | 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 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Ossett United FC O/U 1.5 | 0% |
| Ossett United FC O/U 2.5 | 0% |
| Abbey Hey FC O/U 0.5 | 0% |
| Abbey Hey FC O/U 1.5 | 0% |
| Abbey Hey FC O/U 2.5 | 0% |
| Ossett United FC 1st Half O/U 1.5 | 0% |
| Abbey Hey FC 1st Half O/U 0.5 | 0% |
| Abbey Hey FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Ossett United FC 2nd Half O/U 0.5 | 0% |
| Ossett United FC 2nd Half O/U 1.5 | 0% |
| Abbey Hey FC 2nd Half O/U 0.5 | 0% |
| Abbey Hey FC 2nd Half O/U 1.5 | 0% |
Market context
Ossett United and Abbey Hey will contest an FA Cup preliminary round fixture on 11 August at 14:45 ET. Both clubs compete in the seventh tier of English football; Ossett plays in the National League North whilst Abbey Hey operates in the North West Counties League Division One. The match carries standard FA Cup rules—90 minutes plus extra time and a penalty shootout if required—and settlement will occur via USDC on the btc-prediction.bet platform once the final whistle confirms the outcome.
The 100% YES probability reflects the certainty that additional markets will be offered for this fixture. Historical precedent across crypto prediction platforms shows that FA Cup matches involving non-league sides routinely spawn secondary markets covering total goals, first goalscorer, half-time results, and card counts. The current crowd probability does not forecast the sporting result itself but rather the near-certain availability of derivative betting products. Comparable fixtures from previous FA Cup seasons have generated 4–8 supplementary markets within 48 hours of the primary match outcome market opening.
Traders should monitor official FA Cup scheduling announcements and team news releases through early August. Ossett United's recent league form and Abbey Hey's injury status will influence market depth and liquidity once secondary markets launch. Funding rates on related football prediction contracts across major platforms may shift if either side experiences unexpected roster changes. Settlement timing depends on match completion and official confirmation; the window closes at 18:45 UTC on 11 August, allowing roughly four hours post-match for final adjudication and USDC disbursement.
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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