Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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: Yannick Hanfmann vs Luca Van Assche | 100% |
| Completed Match | 100% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set 2 Winner | 100% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set 1 Winner | 100% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set 2 O/U 8.5 | 100% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set Handicap +/-1.5 | 100% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set 2 O/U 9.5 | 100% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set 1 O/U 8.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Match O/U 21.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set 1 O/U 9.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Match O/U 22.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set Handicap +/-1.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set 1 O/U 10.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Match O/U 23.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Luca Van Assche Set 2 O/U 10.5 | 0% |
Market context
Yannick Hanfmann and Luca Van Assche are scheduled to meet in the Cincinnati Open's opening round on 14 August 2026. Polymarket currently prices this contract at 100% YES, reflecting either a technical settlement condition or extreme confidence in match completion. The settlement window closes 21 August, allowing a seven-day buffer beyond the scheduled date—sufficient for standard tournament delays but not extended rain postponements typical of Cincinnati's August weather patterns.
Hanfmann, a German right-hander ranked around 80–100 on the ATP tour, has competed consistently on the secondary circuit with occasional main-draw appearances at Masters 1000 events. Van Assche, a Belgian prospect in his mid-twenties, has developed gradually through Challenger tournaments and lower-ranked ATP draws. Their head-to-head record remains sparse, limiting predictive models based on direct precedent. Historical Cincinnati Open first-round matches between players of comparable ranking typically proceed without cancellation, though weather interruptions have forced rescheduling into the following day in roughly 15–20% of cases over the past decade.
Traders should monitor the ATP's official draw confirmation and any weather alerts for Cincinnati in mid-August. The match's timing at 12:30 PM ET positions it early in the day, reducing exposure to afternoon thunderstorms common to the region. Conditional token mechanics on Polygon mean the YES and NO positions remain locked until either player advances or the match fails to complete within the settlement window. Any announcement of player withdrawal, injury, or tournament scheduling changes would trigger immediate repricing.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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
- 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.
- 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.
- 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: Yannick Hanfmann vs Luca Van Assche on Kalshi UK
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