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
Emilio Nava, the American prospect ranked outside the top 100, faces Argentine qualifier Camilo Ugo Carabelli in an early-round Roland Garros ATP encounter scheduled for 25 May 2026. The 4% implied probability reflects Nava's status as the marginal favourite in a matchup between two players operating at the periphery of the professional circuit. Both competitors have limited Grand Slam main-draw experience, making this a genuine coin-flip contest dressed in modest seeding disparities.
Historical precedent suggests early-round matches between unranked or low-ranked players at Roland Garros exhibit high volatility in market pricing. Qualifier-versus-prospect fixtures typically see 50–55% probability bands for the seeded player, yet this market has compressed to 4% for Nava, suggesting either significant late-breaking information or algorithmic overweighting of Carabelli's recent form. Comparable 2024–2025 qualifying-round upsets at clay majors occurred at roughly 15–20% baseline rates, indicating the current odds may undervalue Nava's clay-court adaptability or overestimate Carabelli's momentum.
Traders monitoring this fixture should track official Roland Garros draw confirmations and any withdrawal announcements through the ATP's injury-report channels, particularly given the 7-day delay clause in settlement terms. Court assignment and surface conditions—clay court speed and moisture levels shift materially across Roland Garros grounds—will influence serve-and-volley versus baseline dynamics. Conditional order logic should account for the 50–50 resolution trigger if the match extends beyond 1 June without completion, a material tail risk given potential weather disruptions or scheduling congestion in early-round play.
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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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.
- 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.
- 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: Emilio Nava vs Camilo Ugo Carabelli on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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