Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
Market context
Tamara Korpatsch and Xinyu Wang are scheduled to meet in the first or early rounds of Roland Garros 2026, with the match originally set for 27 May at 05:00 ET. The current market pricing at 100% YES reflects extreme confidence in match completion, though the settlement window extends to 3 June, allowing a seven-day buffer for rescheduling before resolution triggers the 50-50 tie-break clause. This pricing suggests traders view cancellation or extended delay as negligible risk, despite the French Open's historical vulnerability to weather disruptions and court scheduling pressures during the opening week.
Korpatsch, a German player ranked outside the top 100 in recent seasons, has shown inconsistent form on clay but occasionally produces competitive performances in Grand Slam environments. Wang, the Chinese player, has competed sporadically on the WTA circuit and carries limited recent match data from major tournaments. Historical precedent indicates that matches involving lower-ranked players at Roland Garros rarely face cancellation unless severe weather intervenes; the tournament's scheduling flexibility typically accommodates delays within the seven-day window without triggering resolution complications.
Traders should monitor the official Roland Garros draw confirmation and any weather forecasts for late May in Paris, though the settlement window's generous buffer substantially reduces weather-related settlement risk. Court assignments and scheduling announcements typically emerge 48 hours before play. The 100% pricing may reflect confidence in both players' participation status, though injury withdrawals or late-stage draw changes remain possible catalysts that could alter match certainty before the settlement deadline.
Methodology
This page reads Roland Garros WTA: Tamara Korpatsch vs Xinyu Wang on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- 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 BTC Prediction?
- Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, BTC Prediction triggers a quick verification flow that finishes in minutes.
Trade Roland Garros WTA: Tamara Korpatsch vs Xinyu Wang on BTC Prediction
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