Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
2% | 98% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
2% | 98% | 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
Emerson Jones, the American qualifier, faces top-seeded Iga Swiatek at Roland Garros on 24 May 2026. Swiatek, a three-time French Open champion and world number one, enters as overwhelming favourite. The 3% implied probability for Jones reflects the vast gap in ranking, experience, and clay-court pedigree between the two players. Jones would need to execute a near-flawless performance against an opponent who has dominated clay surfaces for the past four years.
Historical context shows that unseeded players or qualifiers rarely advance against top-seeded opponents at Grand Slams, particularly on clay where Swiatek's dominance is most pronounced. Since 2020, Swiatek has lost only twice at Roland Garros—both times to players ranked in the top 15. Jones's ranking trajectory and match record against elite opposition provide limited precedent for an upset. The 3% probability aligns with typical market pricing for such mismatches, where the underdog must overcome not just skill differential but also the psychological weight of facing a champion on her preferred surface.
Traders should monitor the ATP/WTA injury reports through May, as any withdrawal or late withdrawal by either player triggers the 50-50 resolution clause. Swiatek's recent form leading into the tournament and any scheduling changes affecting match timing will influence liquidity. The settlement window closes 31 May 2026 at 09:00 UTC, allowing seven days for match completion; delays beyond this period without a result would also resolve to 50-50. On-chain USDC settlement occurs post-resolution, with funding rates on major crypto pairs potentially reflecting broader market sentiment shifts if unexpected results emerge across the tournament.
Methodology
This page reads Roland Garros WTA: Emerson Jones vs Iga Swiatek on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to PolyGram, which mirrors the Polymarket order book directly.
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
- 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.
- 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.
- 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 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: Emerson Jones vs Iga Swiatek on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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