Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Kingston: Kenta Miyoshi vs Roger Pascual Ferra | 100% |
| Completed Match | 100% |
Market context
Kenta Miyoshi faces Roger Pascual Ferra in the qualifying draw for the ATP event in Kingston, Jamaica, scheduled for 17 August 2026. The match represents a qualifying-round encounter where progression hinges on a single set victory under standard ATP qualifying format. Miyoshi, a Japanese player competing regularly on the ATP Challenger circuit, brings baseline consistency and court awareness to the matchup. Pascual Ferra, competing from Spain, operates within similar competitive tiers and has maintained a presence across European and Caribbean qualifying events throughout 2026.
The 100% crowd probability reflects either incomplete market information or a significant disparity in seeding and recent form between the two players. Historical precedent suggests qualifying matches at Caribbean ATP events frequently favour players with recent match fitness and established ranking positions. Miyoshi's recent tournament appearances and ranking trajectory would need to substantially exceed Pascual Ferra's for such a decisive probability to materialise; conversely, withdrawal or injury announcements in the days preceding the event could explain the certainty if one player has already been ruled out.
Traders should monitor official ATP qualifying draw confirmations and any player withdrawal notices issued by the ATP or Jamaica tournament organisers through mid-August. Schedule delays due to weather—common in Caribbean venues during August—could trigger the 50-50 resolution clause if play extends beyond seven days without completion. Recent form data from both players' Challenger results in July and early August will provide the most reliable indicator of match outcome probability once the draw is officially published.
Methodology
Sports-specific comparison page for Kingston: Kenta Miyoshi vs Roger Pascual Ferra. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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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