Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska | 100% |
| Completed Match | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 Winner | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Total Sets: O/U 2.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 O/U 8.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 1 O/U 8.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Match O/U 21.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Match O/U 22.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 O/U 9.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Match O/U 23.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 O/U 10.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 1 Winner | 0% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set Handicap +/-1.5 | 0% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set Handicap +/-1.5 | 0% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 1 O/U 9.5 | 0% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 1 O/U 10.5 | 0% |
Market context
Polymarket has **Carol Young Suh Lee** at **100% YES**, which means the contract is effectively pricing in a Lee advance rather than a competitive two-sided match price. On-chain, buyers are still trading conditional tokens settled in **USDC** on **Polygon**, so the relevant question is not who should win in theory, but whether the market has already fully absorbed the event outcome before resolution.
That extreme reading is consistent with conventional tennis books, which have Lee a clear favourite. Sportsbet lists Lee at **1.20** against Falkowska at **3.80**, while Ladbrokes has Lee around **2/9**, both implying a strong edge to Lee rather than an even contest.[1][12] Third-party prediction models are similarly one-sided, with BetClan putting Lee around **83%** and other model outputs clustering in the same range.[2][10] In practical Polymarket terms, a 100% YES price usually leaves very little room for upside unless there is a late schedule shock, a withdrawal, or a rule-based settlement twist.
The main catalysts are procedural, not tactical: final order-of-play confirmation, any late injury or retirement news, and whether the match actually starts within the settlement window. Flashscore and other live listings still show the Warsaw meeting as scheduled for 6 August, but markets like this can reprice sharply if a walkover, postponement, or non-completion scenario emerges.[7][13][14] Because this contract settles to 50-50 if the match is not played, ends level, or drifts more than seven days beyond the scheduled date without a winner, traders need to watch official draw updates and any tournament-side announcements as closely as the scoreline itself.[4]
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 Alternative 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 Alternative UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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%.
Trade Warsaw: Carol Young Suh Lee vs Weronika Falkowska on Polymarket Alternative UK
Live order book, 0% fees, USDC settlement in seconds.
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