Roland Garros WTA: Emma Raducanu vs Solana Sierra

Platform comparison

Active sub-markets

Market context

Emma Raducanu faces Solana Sierra in a first-round Roland Garros WTA match scheduled for 24 May 2026. The 0% YES probability on Polymarket reflects either extreme confidence in a Raducanu victory or, more likely given the current pricing, minimal trading activity on this specific conditional token pair. On Polygon, the market's USDC liquidity remains thin, suggesting few traders have committed capital to either outcome at the contract's current valuation.

Raducanu's record against lower-ranked opponents provides the historical baseline for interpreting this market. She has struggled with consistency against unseeded players, particularly early in tournaments, despite her ranking advantage. Sierra, ranked outside the top 100, represents the type of opponent where Raducanu's technical lapses have occasionally proved costly. Markets pricing Raducanu at 0% YES typically indicate either a data gap—few trades establishing a floor price—rather than genuine certainty of a Sierra upset.

Traders should monitor the official Roland Garros draw confirmation and any late withdrawals or schedule adjustments in the week preceding 24 May. Raducanu's fitness status matters considerably; she has withdrawn from clay-court events in recent seasons due to wrist concerns. The settlement window's 7-day buffer means matches delayed beyond 31 May without completion trigger a 50-50 resolution, a meaningful tail risk given Roland Garros' weather patterns. Any announcement of Raducanu's participation in warm-up events beforehand would signal her readiness and likely tighten the market's probability away from the current extreme.

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

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.

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.

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.