Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
73% | 27% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
73% | 27% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Match O/U 21.5 | 73% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 2 O/U 8.5 | 52% |
| Completed Match | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 1 O/U 8.5 | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 1 O/U 9.5 | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 2 O/U 9.5 | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 1 O/U 10.5 | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 2 O/U 10.5 | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Match O/U 23.5 | 48% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 1 Winner | 47% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 2 Winner | 44% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova | 43% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Total Sets: O/U 2.5 | 42% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Match O/U 22.5 | 33% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set Handicap +/-1.5 | 29% |
Market context
Liudmila Samsonova faces Marie Bouzkova in the Wimbledon WTA Round of 32, a match set for Saturday, 4 July 2026, at All England Lawn Tennis and Croquet Club. The prediction market currently prices Samsonova advancing at 40% YES, implying Bouzkova is the favoured contender to progress. Traditional moneyline odds reinforce this, with Bouzkova carrying -145 (implied 59.2% chance) against Samsonova’s +110 (implied 47.6% chance), suggesting the on-chain price may be slightly undervalued relative to bookmaker consensus[1].
Historical head-to-head data offers a compelling counter-narrative for traders assessing this probability. Samsonova previously defeated Bouzkova in a grueling three-set battle at the 2026 tournament, ending a five-match losing streak with a 1-6, 6-4, 6-1 victory after 2 hours and 23 minutes of play[4]. This precedent of Samsonova overcoming Bouzkova on grass, despite Bouzkova’s current ranking advantage (No. 23 vs. No. 41), frames the 40% market price as a potential entry point for those betting on Samsonova’s resilience in high-stakes matches.
Traders must monitor pre-match announcements regarding player fitness and weather delays, as Wimbledon grass conditions can shift rapidly. Kalshi’s resolution rules state that if a player withdraws after the match starts, the market resolves to no, while cancellations before the first ball are resolved to a fair price[5]. With high-confidence AI models currently picking Bouzkova at 86% confidence, any sudden news regarding Samsonova’s physical state or schedule changes could significantly alter the on-chain conditional token value on Polygon[3]. The settlement window closes 10 July 2026, requiring USDC holders to watch for final lineup confirmations before the 11:00 am start time[2].
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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 Qué Es. 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 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.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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