Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport 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 Sport Prediction.
Active sub-markets
| Roland Garros WTA: Iva Jovic vs Emma Navarro | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
| Roland Garros WTA: Iva Jovic vs Emma Navarro Set 1 Winner | 100% YES | 0% NO |
| Roland Garros WTA: Iva Jovic vs Emma Navarro Set Handicap +/-1.5 | 100% YES | 0% NO |
| Roland Garros WTA: Iva Jovic vs Emma Navarro Total Sets: O/U 2.5 | 0% YES | 100% NO |
| Roland Garros WTA: Iva Jovic vs Emma Navarro Match O/U 21.5 | 0% YES | 100% NO |
Market context
Iva Jovic and Emma Navarro are scheduled to meet in the first round of Roland Garros on 28 May 2026. Jovic, the Serbian qualifier or main-draw entrant depending on draw confirmation, has competed sporadically on the WTA circuit with limited clay-court pedigree; Navarro, the American ranked considerably higher, brings consistent hard-court results but faces the clay adjustment that has historically challenged her game. The 100% implied probability suggests either strong confidence in Navarro's seeding advantage or significant uncertainty about Jovic's participation status.
First-round upsets at Roland Garros occur at measurable frequency—approximately 15–20% of seeded players lose opening matches—yet the gap between a top-100 player and a qualifier typically favours the higher-ranked competitor. Historical precedent shows that when a clear ranking disparity exists and both players confirm participation, the favoured player converts roughly 80–85% of the time. The settlement window extends to 4 June, allowing seven days beyond the scheduled date for completion, which covers standard tournament delays but not extended rain postponements.
Traders should monitor official Roland Garros draw confirmation (typically released 48 hours before the tournament) and any injury bulletins from either camp. Navarro's recent form on European clay and Jovic's qualifying results, if applicable, will clarify whether the current probability reflects genuine confidence or merely default weighting. Withdrawal announcements, which occasionally occur during the week preceding Roland Garros, would trigger the 50-50 resolution clause.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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 Sport 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.
- Is this market available outside the US?
- Sport Prediction 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, Sport Prediction triggers a quick verification flow that finishes in minutes.
Trade Roland Garros WTA: Iva Jovic vs Emma Navarro on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Trade on Sport Prediction →