Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Trump Prediction Pick polygram.ink |
88% | 12% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Trump Prediction → |
Polymarket polymarket.com |
88% | 12% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Trump Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Trump Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Trump Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Trump Prediction → |
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 Trump Prediction.
Active sub-markets
Market context
Flavio Cobolli, the Italian left-hander ranked in the top 30, faces American qualifier Zachary Svajda in an early-round Roland Garros ATP encounter scheduled for 31 May 2026. The 87% crowd probability favours Cobolli's advancement, reflecting his higher ranking and seeding status relative to Svajda, who typically competes on the Challenger circuit. The match timing—5:00 AM ET—suggests a first or second-round slot on the Roland Garros schedule, where surface preference and clay-court form become decisive factors.
Cobolli's recent trajectory on clay has strengthened his positioning in such matchups. His performances at Italian clay events and consistent ranking progression position him as the favoured player in straight-set scenarios. Svajda, despite occasional ATP main-draw appearances, lacks the sustained clay-court record that would suggest an upset probability above 13%. Historical patterns at Roland Garros show that ranking differentials of this magnitude typically resolve in favour of the higher-seeded player in early rounds, though qualifier runs occasionally produce surprises.
Traders should monitor injury reports and late withdrawals in the days preceding 31 May, as either player's fitness status could shift match dynamics. The settlement window closes 7 June, allowing a six-day buffer for completion or rescheduling. Surface conditions and weather forecasts for the scheduled date may also influence match tempo, though Cobolli's clay-court comfort level remains the primary catalyst underpinning the current probability distribution.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Roland Garros ATP: Flavio Cobolli vs Zachary Svajda plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
FAQ
- Where can I trade this market with the lowest fees?
- On Trump Prediction, 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.
- 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, Trump Prediction 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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