Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Legit? Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Legit? → |
Polymarket polymarket.com |
100% | 0% | 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
Jan-Lennard Struff, the German 29-year-old ranked around 40th on the ATP circuit, faces Jaime Faria of Portugal in an early-round Roland Garros encounter scheduled for 28 May 2026. Polymarket currently prices this contract at 100% YES for Struff, reflecting overwhelming confidence in the German's advancement. The settlement window closes 4 June 2026, allowing seven days for the match to conclude; any cancellation, tie, or unresolved outcome beyond that threshold triggers a 50-50 split of conditional USDC tokens on Polygon.
Struff's recent form and seeding position provide the foundation for this pricing. The German has demonstrated consistency on clay courts, where Roland Garros is played, and typically advances past unseeded or lower-ranked opponents in early rounds. Faria, ranked considerably lower, has limited Grand Slam main-draw experience. Historical precedent suggests players of Struff's ranking and experience convert such matchups at rates exceeding 85% on clay, particularly in opening rounds where preparation and mental focus favour the higher-ranked competitor.
Traders monitoring this contract should watch for late withdrawals or injury announcements in the fortnight before 28 May, as Roland Garros draws approach and players manage fitness across the spring clay season. The ATP's official draw confirmation, typically released five days before the tournament begins, represents the key catalyst for resolving any uncertainty about whether this specific pairing occurs. Weather delays at Roland Garros are historically common but rarely extend beyond the seven-day buffer built into the settlement terms.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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
- 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, Polymarket Legit? triggers a quick verification flow that finishes in 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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