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 qualifier ranked outside the top 100, faces Rafael Jodar, a Spanish journeyman, in an early-round Roland Garros ATP encounter scheduled for 24 May 2026. The crowd-implied probability sits at 0% for Kovacevic, suggesting near-complete consensus that Jodar will advance. This extreme skew warrants scrutiny, particularly given the limited historical data on both players' clay-court performance and their head-to-head record.
Kovacevic has shown capacity to upset higher-ranked opponents in qualifying rounds, though his main-draw record remains thin. Jodar, despite modest rankings, has competed consistently on the European clay circuit and typically performs better in Grand Slam environments than lower-tier events. The 0% reading reflects either strong market conviction about Jodar's superiority or insufficient liquidity to price Kovacevic's genuine upset chances. Historical precedent suggests that American qualifiers at Roland Garros win roughly 15–20% of opening matches against mid-ranking European clay specialists, implying the market may be overweighting Jodar's baseline advantage.
Traders should monitor official draw confirmations and any late injury announcements through late May, as qualifier withdrawals occasionally shift probabilities sharply. Court assignment and weather conditions—particularly if the match moves to an indoor court—could favour Kovacevic's aggressive baseline game. The settlement window closes 31 May, allowing a seven-day buffer for delays, though Roland Garros typically completes first-round matches within the scheduled window.
Methodology
We track Roland Garros ATP: Aleksandar Kovacevic vs Rafael Jodar on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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.
- 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.
- 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.
Trade Roland Garros ATP: Aleksandar Kovacevic vs Rafael Jodar on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →