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's conditional token structure currently prices Urhobo's advancement at effectively zero, with Katie Boulter holding the entire YES side of this Roland Garros matchup scheduled for 24 May 2026. The market reflects Boulter's established ranking and recent form against an opponent with considerably less WTA tour exposure. On Polygon, the USDC liquidity pools show minimal backing for an Urhobo victory, suggesting traders view this as a heavily one-sided encounter.
Boulter's trajectory through 2025 and into 2026 provides the primary historical context for reading this probability. The British player has consistently performed at Roland Garros, reaching the third round in recent editions and benefiting from improved clay-court preparation. Urhobo, by contrast, remains a developing talent on the professional circuit with limited Grand Slam main-draw appearances. When comparable seeding disparities appear in early-round matches, the higher-ranked player advances roughly 85–90 per cent of the time, though upsets do materialise in approximately one in ten encounters.
The settlement window extends to 31 May, providing a seven-day buffer beyond the scheduled date. Traders should monitor the official Roland Garros draw confirmation, any late withdrawals or injury announcements affecting either player, and court assignments that might favour particular playing styles. Recent ATP and WTA scheduling patterns suggest matches proceed as scheduled unless weather or facility issues arise. Boulter's fitness status and any last-minute ranking adjustments affecting seeding will be the primary catalysts affecting market repricing before the match begins.
Methodology
This page reviews Roland Garros WTA: Akasha Urhobo vs Katie Boulter 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
- 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 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.
- 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: Akasha Urhobo vs Katie Boulter on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →