Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Legit? Pick polygram.ink |
48% | 52% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Legit? → |
Polymarket polymarket.com |
48% | 52% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Legit? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Legit? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Legit? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Legit? → |
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 Legit?.
Active sub-markets
Market context
Cobolli, the Italian 23-year-old ranked around 32nd on the ATP circuit, faces Wu, the Chinese player who has climbed steadily through the rankings, in what shapes as a competitive first or second-round encounter at Roland Garros. The 47% probability assigned to Cobolli's advancement on Polymarket reflects genuine uncertainty; both players possess the technical range to trouble the other on clay, though Cobolli's recent form and experience at major tournaments provides marginal structural advantage. The conditional token mechanics on Polygon mean traders holding YES positions gain exposure to Cobolli's progression, with USDC settlement contingent on official ATP/Roland Garros records determining the match outcome.
Historical matchup data and surface-specific form offer the clearest interpretive lens. Cobolli has shown improving consistency at Grand Slams over the past two seasons, whilst Wu's breakthrough performances have concentrated on lower-tier events and qualifying rounds. Clay-court specialists typically favour players with established baseline depth and movement patterns—an area where Cobolli's European junior pedigree translates more reliably than Wu's developing game. The 47-53 split suggests the market prices Wu's upside potential and relative freshness against Cobolli's incremental experience advantage.
Traders should monitor official Roland Garros draw confirmations and any late withdrawal announcements, which would trigger the 50-50 resolution clause. Weather delays affecting the May 27 scheduling could compress preparation time for both players, potentially favouring the less fatigued competitor. Recent ATP rankings updates through late May will clarify seeding implications and draw positioning, which indirectly influences match psychology and court assignments at the tournament.
Methodology
We track Roland Garros ATP: Flavio Cobolli vs Yibing Wu on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On Polymarket Legit?, 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.
- 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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