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 |
|---|---|
| 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 | 69% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Match O/U 22.5 | 56% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set Handicap +/-1.5 | 51% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Match O/U 23.5 | 51% |
| 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 2 O/U 10.5 | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set Handicap +/-1.5 | 50% |
| Cincinnati Open: Jaime Faria vs Jenson Brooksby Set 2 Winner | 49% |
| 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 (Western & Southern Open) on 14 August 2026. The market currently prices Faria's advancement at 43%, implying Brooksby as the favoured player. Both competitors operate in the ATP's middle tier, with Brooksby holding a more established ranking history and recent hard-court consistency, whilst Faria has shown volatility in tournament results across surfaces. The 43% probability reflects moderate confidence in Brooksby's superiority, though not overwhelming dominance.
Historical matchup data and comparative rankings provide context for calibrating this probability. Brooksby's record on hard courts—the surface for Cincinnati—typically exceeds his clay and grass performances, and the American has demonstrated resilience in Masters 1000 events. Faria's career trajectory shows occasional upsets but inconsistent performance against ranked opponents in high-pressure settings. Similar pairings at Cincinnati have historically favoured the higher-ranked player by approximately 55–65% in settlement outcomes, suggesting the current 43% for Faria sits below historical baseline expectations for an underdog of his profile.
Traders should monitor injury reports and withdrawal announcements through late July, as both players' fitness status could shift odds materially. Tournament draws and seeding announcements, typically released one week before play, will clarify any bye structures or momentum-building earlier rounds. Recent ATP rankings updates and hard-court preparation results from tune-up events in early August will provide concrete form data. Settlement occurs 2026-08-21T23:00:00Z; any match postponement beyond seven days triggers a 50-50 resolution regardless of eventual outcome.
Methodology
This page reads Cincinnati Open: Jaime Faria vs Jenson Brooksby on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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
- 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.
- 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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