Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 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
Hugo Dellien of Bolivia and Valentin Royer of France are scheduled to meet in the opening round of Roland Garros on 24 May 2026. The match carries a settlement window extending to 31 May, allowing a seven-day buffer for delays or rescheduling before the market defaults to 50-50 resolution. Current pricing at 0% YES reflects either minimal liquidity or strong conviction that Royer will advance, though the absence of recent head-to-head data and pre-tournament form updates leaves substantial uncertainty embedded in the market structure.
Dellien, ranked outside the top 100, has competed sporadically on the ATP circuit with limited clay-court success; Royer, a French domestic prospect, typically features in qualifying draws or lower-tier events. Neither player commands significant media coverage or betting-market attention outside specialist tennis circles. The 0% probability suggests either that early traders have positioned heavily on Royer or that the market has attracted minimal participation ahead of the Roland Garros draw confirmation. Historical patterns show opening-round matches involving lower-ranked players often settle on court despite weather or scheduling friction, making the 50-50 tie-break clause material only if external disruptions occur.
Traders should monitor the official Roland Garros draw release and any ATP injury bulletins in the fortnight preceding 24 May. Weather forecasts for Paris during that window and court-assignment announcements typically emerge 48 hours before play. Funding conditions on crypto exchanges remain stable; USDC settlement mechanics on btc-prediction.bet carry no material basis risk given stablecoin liquidity, so execution risk centres entirely on match outcome and administrative resolution.
Methodology
This page reads Roland Garros ATP: Hugo Dellien vs Valentin Royer 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 PolyGram, 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
- Is this market available outside the US?
- PolyGram 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.
- 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.
- 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.
Trade Roland Garros ATP: Hugo Dellien vs Valentin Royer on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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