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 left-hander ranked around 40th on the ATP tour, faces Rafael Jodar of Spain in the opening rounds of Roland Garros in May 2026. The match is scheduled for 5:00 AM ET on 24 May, with the settlement window closing on 31 May. The 1% implied probability for Kovacevic reflects his significant seeding disadvantage and Jodar's home-court positioning at a clay-court Grand Slam where Spanish players have historically performed well.
Kovacevic's recent trajectory shows inconsistency on clay surfaces, where his aggressive baseline game struggles against defensive specialists. His record at Roland Garros prior to 2026 included early exits, whilst Jodar, though lower-ranked, has demonstrated competitive clay-court form in Challenger events and ATP 250 tournaments on European clay. The probability discount reflects not merely ranking differential but the specific surface advantage—clay favours baseline consistency and defensive retrieval, neither of which constitute Kovacevic's primary strengths.
Traders should monitor the official ATP draw confirmation and any weather delays that might affect scheduling, as the settlement window extends only seven days beyond the original date. Injury reports in the fortnight preceding the tournament will prove material; Kovacevic's recent injury history has interrupted his momentum. Court assignments and seeding confirmation typically release two weeks before the tournament begins. The early morning slot itself may disadvantage either player depending on travel logistics and rest patterns from preceding matches.
Methodology
This page tracks Roland Garros ATP: Aleksandar Kovacevic vs Rafael Jodar 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
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
- 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.
- 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: Aleksandar Kovacevic vs Rafael Jodar on PolyGram
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