Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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 | 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 is pricing this Warsaw women’s quarter-final at **50% YES**, which makes sense for a contract that settles on who actually advances rather than simply who is better on paper. On the venue side, the match is listed for Centre Court in Warsaw on hard court, and the on-chain market is effectively a USDC position on Polygon that resolves via conditional tokens to whichever player advances, or to 50-50 if the match is abandoned, tied, or delayed beyond the stated window.[1][6][14]
For a comparable read, the live tennis data show a fairly ordinary split between market expectation and match uncertainty: Lee is the higher-ranked player at WTA No. 165 against Falkowska at No. 333, while pre-match books and prediction sites leaned towards Lee, with betting odds around 1.20 for Lee and 3.80 for Falkowska and model-style estimates often giving Lee roughly a three-in-four chance.[1][14][17] That kind of gap is useful in prediction markets because a 50% crowd price can reflect both genuine uncertainty and the possibility of a close, fast-moving match where a single break can swing the outcome.
The main trader catalysts are straightforward: official match start confirmation, any change to the Centre Court schedule, and live score updates if the match is interrupted or unfinished. Flashscore listed the fixture for 06:30 local time and later as 10:35, while other live feeds showed it underway with Lee and Falkowska level in the opening set, so the key risk is no longer abstract form but whether the result is completed cleanly before the settlement cut-off.[5][7][2]
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 Kalshi UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Kalshi 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 Warsaw: Carol Young Suh Lee vs Weronika Falkowska on Kalshi UK
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