Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
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 Best Prediction Markets.
Active sub-markets
Market context
Alina Korneeva and Elisabetta Cocciaretto are scheduled to meet in the early rounds of Roland Garros on 25 May 2026. The match carries a 100% implied probability on this platform, suggesting near-certainty that one player will advance. However, the settlement window extends to 1 June, allowing seven days for the match to conclude—a buffer that accommodates typical tournament delays without triggering a 50-50 resolution.
Korneeva, a Russian player ranked in the lower reaches of the WTA top 100, has shown inconsistent form on clay courts historically. Cocciaretto, the Italian qualifier, has competed sporadically at Grand Slam level and lacks a strong clay-court record. Comparable early-round matchups between players of similar ranking and experience typically resolve decisively rather than through withdrawal or cancellation, which underpins the high YES probability. Neither player has a history of late withdrawals from major tournaments once draws are confirmed.
Key monitoring points include official Roland Garros draw confirmation and any injury announcements in the fortnight preceding the event. Sportsbook lines, where available, should be cross-referenced against this market's 100% reading; traditional bookmakers often price such matches with modest spreads reflecting genuine uncertainty about outcomes, not match occurrence. Tournament scheduling changes or weather disruptions could compress the seven-day window, though Roland Garros typically completes early rounds on schedule. Traders should verify draw confirmation through the WTA website and official tournament communications before settlement.
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 Best Prediction Markets, 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 Best Prediction Markets, 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?
- Best Prediction Markets 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.
- What does it cost to trade on Best Prediction Markets?
- Zero. Best Prediction Markets routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
Trade Roland Garros WTA: Alina Korneeva vs Elisabetta Cocc… on Best Prediction Markets
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