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 |
|---|---|
| Completed Match | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 1 O/U 8.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Total Sets: O/U 2.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 2 Winner | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Match O/U 21.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 1 O/U 9.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Match O/U 22.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 1 O/U 10.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Match O/U 23.5 | 100% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte | 0% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 1 Winner | 0% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 2 O/U 8.5 | 0% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set Handicap +/-1.5 | 0% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set Handicap +/-1.5 | 0% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 2 O/U 9.5 | 0% |
| Warsaw: Katarzyna Kawa vs Justina Mikulskyte Set 2 O/U 10.5 | 0% |
Market context
Polymarket has this contract pinned at **0% YES**, so the market is effectively saying Katarzyna Kawa is not being priced to advance against Justina Mikulskyte on current flow. The event is listed for Warsaw on an outdoor hard court, with the live match start shown at 09:00 UTC, and the market settles on the named winner if the match is completed, or 50-50 if it is cancelled, tied, or pushed beyond the seven-day window without a winner. On Polymarket, that means holders are really trading the outcome through USDC-backed conditional tokens on Polygon rather than a vague view of who “should” win.
The wider frame is straightforward: Kawa is the higher-ranked player in the available listings, sitting around **WTA No. 137** against Mikulskyte at **No. 241**, while the head-to-head is shown as **0-0**, so there is no direct match history to anchor a strong priors-based read. Comparable matchups on WTA 125-level events tend to move most when ranking gaps, surface fit, and recent workload point in the same direction; here, the market’s 0% print suggests either no liquidity on the YES side or a view that the favourite path is already fully reflected elsewhere. The most recent previews also describe Kawa as the clearer book-side favourite, which makes a near-zero Polymarket price unusual only if the contract is thinly traded rather than genuinely implying an upset is impossible.[1][3][11]
For traders, the live catalysts are the practical ones: final order of play, any late court change, withdrawals, rain delays, or a retirement after the first point, because those determine whether the contract resolves normally or falls into the fallback 50-50 rules. The key thing to watch is whether the match actually starts on the Warsaw schedule and whether there is any official interruption beyond seven days from the original date, since that is what governs settlement more than the pre-match narrative.[1][2][12]
Methodology
We track Warsaw: Katarzyna Kawa vs Justina Mikulskyte 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
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.
FAQ
- 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.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
Trade Warsaw: Katarzyna Kawa vs Justina Mikulskyte on Polymarket Alternative UK
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