Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
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 PolyGram.
Active sub-markets
Market context
Stan Wawrinka, the Swiss three-time Grand Slam champion now in his late thirties, faces Jesper de Jong, a Danish player ranked considerably lower, in the opening round of Roland Garros on 25 May 2026. The match represents a significant seeding disparity, with Wawrinka's experience and pedigree on clay courts—particularly his 2015 French Open title—positioned against de Jong's relative obscurity in professional tennis rankings. Settlement occurs 1 June 2026, allowing a six-day window for match completion and result confirmation.
Historical precedent suggests that matches between established Grand Slam winners and lower-ranked opponents at Roland Garros resolve heavily in favour of the seeded player. Wawrinka's record against unranked or minimally-ranked challengers across the past five years shows consistent advancement, though age-related fitness concerns have occasionally created vulnerability in extended matches. The 51% crowd probability currently assigned to Wawrinka implies meaningful uncertainty—likely reflecting either recent injury reports, de Jong's unexpected ranking improvement, or broader volatility in early-round predictions where information asymmetry remains high.
Traders should monitor ATP injury bulletins and official Roland Garros draw confirmations through late May, as late withdrawals or schedule shifts could trigger the 50-50 tie resolution clause. Court surface conditions and weather delays at Roland Garros frequently compress match schedules; any postponement beyond 1 June without completion nullifies the market. De Jong's recent tournament results and ranking trajectory in May 2026 will provide concrete calibration against current crowd sentiment.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
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
- Where can I trade this market with the lowest fees?
- On PolyGram, 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.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
Trade Roland Garros ATP: Stan Wawrinka vs Jesper de Jong on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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