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 |
|---|---|
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set 1 Winner | 100% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set 2 Winner | 88% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby | 86% |
| Completed Match | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Total Sets: O/U 2.5 | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set 2 O/U 8.5 | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Match O/U 21.5 | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set 2 O/U 9.5 | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set Handicap +/-1.5 | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Match O/U 23.5 | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set Handicap +/-1.5 | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set 2 O/U 10.5 | 25% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Match O/U 22.5 | 20% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set 1 O/U 9.5 | 0% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set 1 O/U 10.5 | 0% |
Market context
Jaime Faria and Jenson Brooksby are scheduled to meet in the Cincinnati Open on 14 August 2026. Brooksby, the American ranked in the low 20s, carries greater ATP ranking depth and has competed regularly in Masters 1000 events, whilst Faria, a Portuguese player, has built his career primarily on the Challenger circuit. The 43% probability assigned to Faria reflects the ranking disparity and Brooksby's established presence in hard-court tournaments, though Cincinnati's conditions and draw positioning remain fluid variables until the official bracket release.
Brooksby's recent form through mid-2026 has been inconsistent; he reached a career-high ranking but has struggled with consistency on hard courts, dropping matches to lower-ranked opponents in several Masters events. Faria's pathway to Cincinnati likely involved Challenger wins or qualifying rounds, suggesting he enters as an underdog by conventional metrics. Historical precedent shows that when sub-100 ranked players face top-30 opponents at Masters level, the favourite wins approximately 75–80% of the time, which would imply Brooksby should trade closer to 70–75% probability rather than the current 57%.
Traders should monitor official Cincinnati draw announcements and any late withdrawals or injury updates in the week prior to 14 August. Brooksby's fitness status—he has dealt with recurring shoulder concerns—warrants attention. Weather conditions on the day may also shift advantage; Faria's game style and recent match sharpness will become clearer once qualifying results are finalised. The settlement window closes 21 August, allowing a full week for completion or default resolution.
Methodology
Sports-specific comparison page for Cincinnati Open: Jaime Faria vs Jenson Brooksby. 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
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- 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.
- 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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