Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
69% | 31% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
69% | 31% | 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
Polymarket's conditional token structure currently prices Gaston's advancement at 86 cents on the dollar, reflecting substantial confidence in the Frenchman's progression past Monfils in their Roland Garros ATP encounter scheduled for 24 May 2026. The pricing sits well above historical baseline expectations for a matchup between a 26-year-old ranked outside the top 100 and a 39-year-old veteran, suggesting the market has incorporated specific information about current form, draw positioning, or injury status unavailable in public record.
Gaston's career trajectory provides instructive context: his breakthrough 2021 run to the Roland Garros quarter-finals as a qualifier established him as a clay-court threat, though subsequent years saw inconsistent ranking progression and limited Grand Slam impact. Monfils, conversely, has maintained top-50 status into his late thirties through exceptional athleticism and serve reliability, yet his record against younger players at majors has deteriorated markedly since 2022. The 86% probability reflects this asymmetry—Gaston enters as the marginal favourite on form metrics, whilst Monfils' age and recent tournament results create legitimate upset potential.
Traders should monitor ATP rankings and entry lists through May, as Gaston's seeding and draw position directly influence match scheduling and opponent fatigue levels. Injury announcements carry particular weight given Monfils' historical susceptibility to physical setbacks during clay-court seasons. The settlement window's seven-day buffer accommodates rain delays common at Roland Garros, though any retirement or walkover triggers the 50-50 resolution clause, creating tail-risk scenarios where USDC positions on Polygon convert to equal splits regardless of match progression.
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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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.
- 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.
- 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 Gaston vs Gael Monfils on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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