Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 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
Polymarket currently prices Valentova's advancement at zero, reflecting either minimal liquidity or genuine consensus that Linette represents a significant favourite. The match, scheduled for 24 May 2026 at Roland Garros, will settle once one player progresses through the draw; the conditional token mechanics on Polygon mean traders holding YES shares receive full value only if Valentova wins, whilst Linette backers capture the inverse. Settlement occurs by 31 May, providing a narrow window for resolution given the tournament's typical scheduling.
Linette, a Polish player ranked in the top 50 for much of the past five years, has competed regularly at Grand Slams and shown particular consistency on clay courts. Valentova, a Czech player, has featured less prominently in WTA rankings and Grand Slam draws historically. When comparable lower-ranked players face established competitors at Roland Garros, the market typically reflects the ranking differential; however, clay-court specialists sometimes outperform their seeding, and first-round upsets do occur at roughly 15–20% frequency across the women's draw. The zero probability suggests traders view this matchup as heavily weighted toward Linette without accounting for such variance.
Traders should monitor official Roland Garros draw confirmations and any injury announcements affecting either player in the weeks preceding the tournament. Weather delays or scheduling changes could trigger the 50–50 tie-break clause if the match extends beyond seven days without completion. Recent WTA injury reports and clay-court form from spring 2026 events will provide concrete data on both players' fitness and surface readiness closer to the event.
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 PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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.
- Is this market available outside the US?
- PolyGram 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.
- 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 PolyGram?
- Zero. PolyGram 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 Roland Garros WTA: Tereza Valentova vs Magda Linette on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →