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
Market context
Jil Teichmann and Magdalena Frech are scheduled to meet in the opening round of Roland Garros on 27 May 2026. The Swiss player enters the clay-court Grand Slam ranked approximately 50th on the WTA tour, whilst the Polish competitor sits around 70th. Both players have competed regularly on the European clay circuit in the weeks preceding the tournament, with Frech having reached a WTA 250 quarter-final in May and Teichmann maintaining steady performances across ITF and lower-tier WTA events through spring.
The 82% implied probability favouring Teichmann aligns with historical patterns in early-round Grand Slam matchups where the higher-ranked player advances roughly 75–80% of the time. However, first-round clay-court tennis carries elevated volatility; Teichmann's record against players ranked 60–80 over the past two seasons shows mixed results, whilst Frech has demonstrated capacity to trouble higher-ranked opponents on clay, particularly when serving well. The absence of recent head-to-head data between them means traders are relying heavily on ranking differential and surface form rather than direct precedent.
Traders should monitor both players' final warm-up tournament results in the week before Roland Garros, particularly any injury updates or late withdrawals that might affect seeding or draw positioning. Court assignment and weather conditions—notably wind patterns that can favour particular playing styles on clay—will become relevant only after the draw is published. The settlement window closes 3 June, allowing a 7-day buffer for potential delays or scheduling adjustments.
Methodology
We track Roland Garros WTA: Jil Teichmann vs Magdalena Frech 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 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.
- 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 Sport Prediction?
- Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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.
- 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 WTA: Jil Teichmann vs Magdalena Frech on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
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