Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC 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 BTC Prediction.
Active sub-markets
Market context
Linda Fruhvirtova and Elsa Jacquemot are scheduled to meet in the first or early round of Roland Garros women's singles in May 2026. The match carries a 0% crowd-implied probability for Fruhvirtova, suggesting either overwhelming market confidence in Jacquemot or minimal liquidity and participant engagement on the contract. Settlement occurs via USDC on 1 June 2026 at 09:00 UTC, allowing a six-day window after the scheduled 25 May start to accommodate delays or extended play without triggering the 50-50 tie-break clause.
Fruhvirtova, a Czech player born in 2006, has competed at WTA level with modest ranking progression; Jacquemot, a French qualifier or lower-seeded entrant, would benefit from home-court momentum at Roland Garros. Historical patterns in early-round clay-court matches show that seeding disparities and player form volatility often compress odds more than pre-tournament rankings suggest. The zero probability reading likely reflects either a significant seeding advantage for Jacquemot or sparse order-book depth rather than certainty of outcome.
Traders should monitor official Roland Garros draw announcements and any injury withdrawals in the weeks preceding the event. French media coverage of Jacquemot's preparation and recent clay-court results will signal confidence shifts. Weather delays are material on the Paris clay; extended rain could push the match beyond the scheduled date, creating resolution ambiguity. USDC settlement mechanics mean traders holding positions face no basis risk from spot BTC or ETH moves, though broader crypto market volatility may affect liquidity provision and funding rates on the contract itself.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On BTC 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 BTC Prediction?
- Zero. BTC Prediction 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.
- 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: Linda Fruhvirtova vs Elsa Jacquemot on BTC Prediction
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