Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Completed Match | 100% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Set Handicap +/-1.5 | 100% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Set 1 O/U 9.5 | 100% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Set 1 O/U 10.5 | 100% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils | 0% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Set 1 Winner | 0% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Set 2 Winner | 0% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Match O/U 21.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Set 2 O/U 8.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Set 2 O/U 9.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Match O/U 22.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Set 2 O/U 10.5 | 0% |
| Cincinnati Open: Yannick Hanfmann vs Arthur Fils Match O/U 23.5 | 0% |
Market context
The Cincinnati Open (Western & Southern Open) will host a first-round encounter between German qualifier Yannick Hanfmann and French prospect Arthur Fils during the week of 11–17 August 2026. Hanfmann, typically ranked outside the top 100, competes sporadically on the ATP tour and relies on qualifying draws to access main-draw competition. Fils, a rising player in his early twenties, has shown progression through the junior ranks and occasional ATP-level appearances. The 0% implied probability reflects either minimal trading activity or strong backing for Fils as the favourite, though the market's settlement window extends to 22 August—a week beyond the scheduled date—to accommodate potential delays or rescheduling common at hard-court summer events.
Historical precedent for matches between unseeded qualifiers and developing top-100 prospects shows volatility. Qualifier-versus-prospect matchups at Masters 1000 events produce upset rates of roughly 35–40%, particularly when the qualifier has recent match fitness from the qualifying rounds. Hanfmann's qualification path would provide consecutive match play; Fils's seeding status and draw position remain unknown until the official draw release, typically 48 hours before the tournament begins.
Traders monitoring this market should track the official draw announcement, injury reports for both players in the fortnight preceding Cincinnati, and any weather-related schedule adjustments. Recent ATP communications regarding hard-court event logistics (ATP Tour website, 2025–2026 season updates) indicate increased likelihood of same-day rescheduling rather than multi-day postponements. Conditional order logic would benefit from triggering on draw confirmation and pre-match odds movements in the 24 hours before play.
Methodology
This page reviews Cincinnati Open: Yannick Hanfmann vs Arthur Fils across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Bot UK, which mirrors the Polymarket order book at 0% fees.
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
- 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: Yannick Hanfmann vs Arthur Fils on Polymarket Bot UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →