Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
97% | 3% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
97% | 3% | 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
Francisco Cerundolo will face Botic van de Zandschulp in the opening round of Roland Garros in late May 2026. The Argentine, ranked in the mid-30s, has shown inconsistent form on clay over recent seasons, with occasional deep runs at secondary events offset by early exits at majors. Van de Zandschulp, the Dutch player, has struggled with consistency across all surfaces and typically performs better on faster courts, making the clay surface at Roland Garros less favourable to his game.
Cerundolo's record against lower-ranked opponents on clay provides context for the 88% implied probability. Over the past two years, he has won roughly three-quarters of matches against players outside the top 50 at clay events, though his conversion rate dips noticeably when facing opponents with specific clay expertise or defensive patterns. Van de Zandschulp's recent ATP results show limited success on the red clay circuit; his last meaningful clay-court performance came over six months prior to the scheduled match date.
Traders should monitor Cerundolo's fitness status in the fortnight before Roland Garros, as minor injuries have disrupted his preparation in previous seasons. Van de Zandschulp's draw position and any late withdrawals from the tournament could alter seeding dynamics. Weather conditions at Roland Garros—particularly wind strength and court speed—will influence the match outcome; faster, drier conditions would marginally favour the Argentine's attacking game. Any coaching adjustments or changes to either player's support team announced in the week before 24 May would warrant reassessment of the current probability.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.
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
- 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.
- 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.
- 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: Francisco Cerundolo vs Botic van … on PolyGram
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