Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket UK.
Active sub-markets
| Lexus Eastbourne Open, Qualification: Petra Marcinko vs Simona Waltert Set 1 Winner | 100% Marcinko | 0% Waltert |
| Lexus Eastbourne Open, Qualification: Petra Marcinko vs Simona Waltert Set 2 O/U 8.5 | 100% Over | 0% Under |
| Lexus Eastbourne Open, Qualification: Petra Marcinko vs Simona Waltert Set 1 O/U 9.5 | 100% Over | 0% Under |
| Lexus Eastbourne Open, Qualification: Petra Marcinko vs Simona Waltert Set 2 O/U 10.5 | 100% Over | 0% Under |
| Lexus Eastbourne Open, Qualification: Petra Marcinko vs Simona Waltert | 100% Petra Marcinko | 0% Simona Waltert |
| Completed Match | 100% YES | 0% NO |
Market context
Polymarket is pricing Petra Marcinko vs Simona Waltert in Eastbourne qualifying as a near-certain outcome, with the contract at **100% YES** and settling through USDC on Polygon via conditional tokens. On a hands-on Polymarket view, that means the market is already assuming the match will be played and resolved in the named winner’s favour, so the main risk is no longer performance uncertainty but event administration: a late cancellation, a walkover, or a delay beyond the settlement rules could push the contract towards the 50-50 fallback.
The historical frame here is straightforward: these two have met before, and Waltert beat Marcinko in straight sets in a 2024 clay-court ITF match in Zagreb[2][7]. More importantly for reading a 100% market, Eastbourne qualifying listings show the tie was on the schedule for 20 June 2026, with live-score providers carrying the fixture rather than treating it as abandoned[1][5][6]. In prediction-market terms, when a contract is pinned at the top of the range, it usually reflects either a result that is effectively known to the crowd or a settlement-state market where the practical question is whether the official tennis feed confirms an outcome before the deadline.
The catalysts to watch are procedural rather than tactical: the WTA/scoreboard status, any official walkover notice, and whether play starts on Court 4 within the relevant window[1][5][6]. If the match is delayed, the settlement wording matters: a match not played at all, or not resolved within seven days of the scheduled date, is intended to settle at 50-50, so traders are really monitoring the tournament’s order of play and any last-minute withdrawals rather than form lines.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket UK, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- On Polymarket UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- 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 Lexus Eastbourne Open, Qualification: Petra Marcinko… on Polymarket UK
Live order book, 0% fees, USDC settlement in seconds.
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