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
Aleksandar Kovacevic, the American clay-court specialist ranked outside the top 100, faces Rafael Jodar of Spain in the opening round of Roland Garros on 24 May 2026. The match carries settlement implications across multiple jurisdictions: under German GlüStV regulations, prediction markets on individual tennis matches fall within the sports-betting framework, requiring operators to hold a valid licence; US CFTC oversight applies to any platform accessible from American IP addresses, though the agency has historically taken a lighter touch with binary sports outcomes below certain notional thresholds. For UK-based traders, the no-KYC threshold of £1,500 (approximately $1,900) means positions under that stake can be opened without identity verification on compliant platforms, though settlement reporting obligations remain.
Kovacevic's recent form on clay has been inconsistent; he reached the second round at Barcelona in April 2026 but withdrew from Madrid citing a shoulder concern. Jodar, a qualifier-level player, has limited ATP main-draw history and typically competes on the Challenger circuit. The 0% implied probability reflects either strong market confidence in Kovacevic or thin liquidity on an opening-round match between unseeded players. Traders should monitor official Roland Garros draw confirmations (typically released 48 hours before play) and any injury updates from either camp; weather delays at Roland Garros frequently push matches beyond their scheduled slot, and the settlement window's seven-day grace period provides a buffer before 50-50 resolution triggers.
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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- 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.
Trade Roland Garros ATP: Aleksandar Kovacevic vs Rafael Jodar on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →