Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) 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 |
|---|---|
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 Winner | 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 Set 2 O/U 9.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 2 O/U 10.5 | 100% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska | 88% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Match O/U 21.5 | 87% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Total Sets: O/U 2.5 | 74% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Match O/U 22.5 | 67% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Match O/U 23.5 | 63% |
| Completed Match | 50% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set Handicap +/-1.5 | 50% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set Handicap +/-1.5 | 1% |
| Warsaw: Carol Young Suh Lee vs Weronika Falkowska Set 1 Winner | 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
Carol Young Suh Lee’s meeting with Weronika Falkowska in Warsaw is being priced as a clear Lee lean, with the crowd-implied 75% YES sitting below several bookmaker and tipster feeds that have her around the low-80s. Sportsbook odds from Sportsbet imply Lee at 1.20 versus Falkowska at 3.80, while BetClan’s model puts Lee’s match-win chance at 83% and gives her a 65% chance of winning 2-0, which is consistent with a market expecting the favourite to control the match rather than scrape through. [1][2]
That framing matters because tennis prediction markets often move sharply when the favourite is known to be a heavy front-runner but the underdog has any path through physical or scheduling uncertainty. Here, the absence of any clear injury report or late withdrawal signal keeps the main read centred on baseline form and class gap rather than an external shock; live listings also show the match on the Warsaw schedule, with multiple books posting full pre-match lines rather than treating it as doubtful. [7][13][16]
The main catalysts to watch are straightforward: any pre-match medical update, a revised start time, or a scratch from either side would matter more than small line drift, especially because the market settles to 50-50 if the match is not played, tied, or pushed beyond the seven-day window without a winner. In-play, early service hold patterns are the most relevant dependency for a market that already assumes Lee is more likely to advance, since a poor opening set from her would be the cleanest way to challenge that 75% crowd price. [1][7][13]
Methodology
Sports-specific comparison page for Warsaw: Carol Young Suh Lee vs Weronika Falkowska. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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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