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
Julia Grabher and Rebecca Sramkova are scheduled to meet in the opening rounds of the 2026 Roland Garros women's draw on 25 May. Grabher, an Austrian qualifier or direct entrant depending on seeding, faces Slovakia's Sramkova in what is typically a first-round or qualifying-stage encounter at the clay-court Grand Slam. The match carries standard settlement mechanics: resolution occurs when one player advances, with a 50-50 split only if the match is cancelled, abandoned mid-play without completion, or delayed beyond seven days from the scheduled date.
The 100% implied probability reflects the near-certainty that this match will be played to a conclusion. Roland Garros has operated reliably through weather disruptions and scheduling pressures in recent years; first-round matches rarely face cancellation unless severe conditions emerge. Historical precedent from 2023 and 2024 editions shows that even rain-delayed matches at Roland Garros are rescheduled within the seven-day window, making the tie-resolution scenario statistically remote. Neither player carries injury flags that would trigger withdrawal at this stage of the calendar.
Traders depositing via Klarna or SEPA transfers should expect settlement within hours of match completion, given the straightforward binary outcome and the tournament's established broadcast schedule. Withdrawal rails remain open through the settlement window closing 1 June 2026; liquidity depth depends on whether either player generates late-tournament momentum or injury news that alters perception of their draw strength. Monitor the official Roland Garros draw publication and ATP/WTA injury bulletins in early May for any changes to seeding or entry status that could affect match timing.
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
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?
- 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.
- 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.
Trade Roland Garros WTA: Julia Grabher vs Rebecca Sramkova on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →