Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) 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: Terence Atmane vs Tomas Etcheverry Set 1 Winner | 100% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry | 75% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Match O/U 21.5 | 75% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Set Handicap +/-1.5 | 55% |
| Completed Match | 50% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Set 2 Winner | 50% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Set 2 O/U 8.5 | 50% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Set 2 O/U 9.5 | 50% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Set 2 O/U 10.5 | 50% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Total Sets: O/U 2.5 | 48% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Match O/U 22.5 | 45% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Match O/U 23.5 | 45% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Set 1 O/U 9.5 | 0% |
| Cincinnati Open: Terence Atmane vs Tomas Etcheverry Set 1 O/U 10.5 | 0% |
Market context
Terence Atmane faces Tomas Etcheverry in the Cincinnati Open men's draw, scheduled for 15 August 2026. The 75% implied probability backing Atmane reflects confidence in the French player's current trajectory, though recent form data remains limited given the event's distance from publication. Etcheverry, the Argentine ranked around 30th globally, presents a capable opponent with proven hard-court credentials from his ATP performances, yet the market has decisively priced Atmane as the favourite.
Historical matchups between players at similar ranking positions show that implied probabilities in the 70–80% range typically correlate with genuine form advantages rather than pure seeding differentials. Atmane's recent tournament results and ranking momentum appear to have justified this confidence level, whilst Etcheverry's consistency on the ATP circuit—though solid—hasn't generated the same upward trajectory. Head-to-head records between French and Argentine players at this tier rarely shift market expectations dramatically unless one player has recently broken into the top 20.
Traders should monitor ATP ranking updates and any injury announcements in the fortnight before 15 August, as both players' participation in warm-up events will signal physical condition. The Cincinnati Masters typically draws full-strength fields, reducing withdrawal risk. Weather conditions at the venue occasionally affect hard-court play, though August scheduling rarely produces the delays that would trigger the 50-50 tie-break clause. Settlement occurs by 22 August, allowing a one-week buffer for completion.
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 Prediction Today, which mirrors the Polymarket order book directly.
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 Prediction Today. 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%.
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