Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) 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 |
|---|---|
| Brownsburg: Tristan Schoolkate vs Federico Cina | 100% |
| Completed Match | 100% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set 2 Winner | 100% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Total Sets: O/U 2.5 | 100% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set 2 O/U 8.5 | 100% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Match O/U 21.5 | 100% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set 1 O/U 8.5 | 100% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set 2 O/U 9.5 | 100% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Match O/U 22.5 | 100% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Match O/U 23.5 | 100% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set 1 Winner | 0% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set Handicap +/-1.5 | 0% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set 1 O/U 9.5 | 0% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set Handicap +/-1.5 | 0% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set 2 O/U 10.5 | 0% |
| Brownsburg: Tristan Schoolkate vs Federico Cina Set 1 O/U 10.5 | 0% |
Market context
Tristan Schoolkate faces Federico Cina in Brownsburg on 10 August 2026, with the market currently pricing Schoolkate as a near-certain winner at 100% implied probability. The match sits within a professional tennis calendar that has seen significant scheduling volatility post-pandemic, particularly for lower-tier events where fixture cancellations and delays remain common. Settlement occurs seven days after the scheduled start date, meaning any match postponement beyond 17 August triggers a 50-50 resolution regardless of eventual outcome.
Schoolkate's dominance in the market pricing reflects his ranking advantage and recent form relative to Cina, though comparable ATP Challenger and ITF-level matchups between similarly-ranked opponents typically see 15-25 percentage-point gaps rather than near-certainty outcomes. Historical data from 2024-2025 Challenger events shows that matches involving players ranked within 200 positions of each other settle with the higher-ranked player advancing roughly 65-70% of the time, suggesting current odds may not fully account for Cina's competitive window.
Traders should monitor the Brownsburg tournament's official schedule for any venue or weather-related disruptions, as August fixtures in that region face heightened thunderstorm risk. Injury updates on either player in the 48 hours before match day would materially shift the probability, whilst confirmation of the match proceeding as scheduled would likely tighten odds further. The seven-day delay clause creates specific risk: any postponement announcement after 10 August but before completion forces resolution to 50-50 regardless of match status.
Methodology
We track Brownsburg: Tristan Schoolkate vs Federico Cina across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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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