Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
76% | 24% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
76% | 24% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Match O/U 21.5 | 76% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Match O/U 23.5 | 61% |
| Completed Match | 50% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Set 1 O/U 8.5 | 50% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Set 2 O/U 8.5 | 50% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Set 1 O/U 9.5 | 50% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Set 2 O/U 9.5 | 50% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Match O/U 22.5 | 50% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Set 1 O/U 10.5 | 50% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Set 2 O/U 10.5 | 50% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Set 1 Winner | 48% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Total Sets: O/U 2.5 | 42% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Set 2 Winner | 39% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime | 37% |
| Cincinnati Open: Frances Tiafoe vs Felix Auger-Aliassime Set Handicap +/-1.5 | 34% |
Market context
Frances Tiafoe and Felix Auger-Aliassime are set to meet in the Cincinnati Open round of 16 on outdoor hard courts, after both advanced in straight or three-set wins earlier in the week. The market’s 34% YES price sits below most public previews, which have generally made Auger-Aliassime the favourite, so the implied edge is clearly with the Canadian rather than the American.[1][2][3]
For historical framing, their head-to-head has been competitive rather than one-sided, which makes live price drift more sensitive to serve hold rates, medical time-outs, and any sign of fatigue from previous rounds. In a programmatic setup, that means tracking in-play score state, set count, and completion risk more than raw pre-match ranking; if the match starts but does not finish, the settlement logic moves away from a simple winner take-all outcome and the unresolved state becomes the key branch.[3][4]
The main catalysts are scheduling and tournament operations: the match was listed for Wednesday night local time, but Cincinnati has already had weather-related interruptions and cancellations earlier in the event, so any further delay or rescheduling matters for the seven-day cutoff. Traders watching this through bots or conditional orders should monitor official order-of-play updates, court assignments, and any delay notices, because a postponed start or abandoned match can change the settlement path materially.[1][2][5][6]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Bot UK, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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%.
Trade Cincinnati Open: Frances Tiafoe vs Felix Auger-Alias… on Polymarket Bot UK
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