Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 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
Kaitlin Quevedo faces Leolia Jeanjean in the Roland Garros women's draw, scheduled for 25 May 2026. The market currently prices Quevedo's advancement at 100% on Polymarket's USDC-denominated contract on Polygon, reflecting either extremely confident consensus or insufficient liquidity to move the conditional token price. Settlement occurs 1 June 2026, allowing a six-day window for the match to conclude and resolve.
The 100% probability warrants scrutiny against historical precedent. In WTA qualifying and main-draw matchups between unseeded or lower-ranked players, Polymarket contracts frequently trade at extreme prices despite genuine competitive uncertainty. Jeanjean, a French clay-court specialist who reached the Roland Garros quarter-finals in 2023, carries home advantage and surface familiarity that traditional betting markets typically reflect more cautiously than this contract suggests. Quevedo's ranking and recent form relative to Jeanjean's clay-court record should anchor any reassessment of the current pricing.
Traders should monitor official Roland Garros scheduling confirmations and any injury announcements in the fortnight preceding 25 May. French Tennis Federation updates typically arrive two weeks before the tournament. Weather disruptions at Roland Garros frequently delay matches beyond single days, though the six-day settlement window provides buffer against minor scheduling shifts. Withdrawal or retirement by either player before the match begins would trigger the 50-50 resolution clause, as would any cancellation. The absence of recent trading activity or order-book depth on this contract suggests the 100% price may reflect minimal market participation rather than informed consensus.
Methodology
This page reviews Roland Garros WTA: Kaitlin Quevedo vs Leolia Jeanjean across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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 PolyGram, 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.
- 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 WTA: Kaitlin Quevedo vs Leolia Jeanjean on PolyGram
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