Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
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 Best Prediction Markets.
Active sub-markets
Market context
Fabian Marozsan and Alejandro Davidovich Fokina are set to face each other in the Mallorca Championships semi-final on outdoor grass, originally scheduled for 11:30 AM ET on 26 June 2026. The match will determine which player advances to the final, with the contract resolving to the winner of this encounter.
Historical precedents in grass-court tennis often show that a single head-to-head victory can heavily influence market sentiment, even when current form suggests divergence. Fokina leads the head-to-head 1-0 after a three-set win in Dubai two years ago, yet recent analyst consensus at Last Word on Sports splits sharply: one prediction favours Marozsan in three sets, while another anticipates a tightly contested match with numerous winners from both players[1]. This divergence mirrors past cases where a 100% prediction-market probability clashes with sportsbook lines that still price the underdog, suggesting the market may be overreacting to the historical record rather than current grass-court improvements.
Traders should monitor official court assignments and any weather delays, as outdoor grass surfaces in Mallorca are sensitive to wind and rain. The venue is confirmed as Santa Ponsa Tennis Academy, but schedule adjustments could occur if earlier matches extend beyond their allotted time[2]. Recent coverage from the ATP Tour confirms both players advanced to the semi-finals after defeating Kecmanovic and Dimitrov respectively, with no indication of injury or withdrawal[5][9]. Any announcement of a delay beyond seven days would trigger the 50-50 resolution clause, making real-time tournament updates the primary catalyst for position management.
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 Best Prediction Markets, 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
- Is this market available outside the US?
- Best Prediction Markets 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.
- What does it cost to trade on Best Prediction Markets?
- Zero. Best Prediction Markets routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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 Mallorca Championships: Fabian Marozsan vs Alejandro… on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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