Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 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
Flavio Cobolli, the Italian ATP player ranked in the top 30, faces Andrea Pellegrino in the opening rounds of Roland Garros in May 2026. The match is scheduled for 25 May at 5:00 AM ET, with settlement contingent on a decisive result by 1 June. The 100% implied probability reflects Cobolli's substantial ranking advantage and historical dominance in head-to-head matchups against lower-ranked opponents at Grand Slam events.
Cobolli's trajectory through 2025 and into 2026 establishes the baseline for this fixture. The Roman player has demonstrated consistent performance on clay courts, where Roland Garros is contested, and has progressed through qualifying rounds and early-stage matches at major tournaments with regularity. Pellegrino, a journeyman competitor, has competed primarily on the Challenger circuit and lower ATP tiers. Historical precedent suggests that when ATP top-30 players face unranked or significantly lower-ranked opponents at Grand Slams, the higher-ranked player advances in approximately 95% of cases, though upsets do occur.
Traders should monitor Cobolli's fitness status in the weeks preceding the tournament, particularly any injury disclosures or withdrawal announcements from the ATP official draw. Weather disruptions at Roland Garros—notably rain delays—could extend the settlement window, though the seven-day buffer provides substantial margin. The match's early-morning scheduling may influence performance variables. Any late draw changes or player withdrawals would trigger the 50-50 resolution clause, though such occurrences are uncommon at this stage of Grand Slam competition.
Methodology
This page tracks Roland Garros ATP: Flavio Cobolli vs Andrea Pellegrino across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. PolyGram routes every trade through to Polymarket — at 0% fees.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
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.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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: Flavio Cobolli vs Andrea Pellegrino on PolyGram
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