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, Qualification: Mark Lajal vs Dalibor Svrcina | 100% |
| Completed Match | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Total Sets: O/U 2.5 | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Set 2 Winner | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Match O/U 21.5 | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Set 2 O/U 8.5 | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Set 1 O/U 8.5 | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Match O/U 22.5 | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Set 1 O/U 9.5 | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Set 2 O/U 9.5 | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Match O/U 23.5 | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Set 1 O/U 10.5 | 100% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Set 1 Winner | 0% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Set Handicap +/-1.5 | 0% |
| Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina Set 2 O/U 10.5 | 0% |
Market context
Mark Lajal’s Cincinnati qualifying match with Dalibor Svrcina is already deep into its market life, so the main move in the last 24-48 hours is simply that the scheduled first-round qualifier has either been played or was due on 11-12 August on hard court at the Lindner Family Tennis Centre, with listings showing varying start times but the same fixture and no reported withdrawal. Public pricing has kept Svrcina in a slight favourite role on the back of his higher ranking, while the crowd-implied 44% for Lajal sits below that but still within a narrow contest rather than a clear mismatch.[1][13][17]
That is broadly how similar ATP qualification markets have tended to read when one player is a modest ranking favourite and the other has a live serve-driven profile: the lower-ranked player often attracts support if the price implies a close match, but the better-ranked player usually remains the default side until the draw or conditions shift materially. In this case Svrcina’s ATP position around the low 100s against Lajal in the 150s-180s range is the most obvious historical frame, and the absence of a previous head-to-head removes one of the usual tiebreakers traders lean on.[1][11][13]
The catalysts to watch are straightforward: official match status, whether the result is recorded as completed or only partially played, and any tournament scheduling changes that push the contest beyond the market’s settlement window. If the match is delayed, abandoned, or never played at all, the market’s tie outcome rules become more important than pre-match form; if it does go ahead, the decisive dependency is simply which player advances from the qualifying round.[1][16]
Methodology
We track Cincinnati Open, Qualification: Mark Lajal vs Dalibor Svrcina across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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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