Nottingham Open: Dayana Yastremska vs Tatjana Maria

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Market context

The Nottingham Open grass-court fixture between Yastremska and Maria is scheduled for 17 June 2026, with settlement contingent on match completion by 24 June. The 100% implied probability reflects the tournament's established scheduling reliability and both players' consistent participation records in WTA events, though grass-court tournaments historically present higher weather disruption risk than hard-court alternatives.

Yastremska, ranked in the top 30, typically advances through early-round matches against players ranked outside the top 50, which Maria currently occupies following her return to professional tennis. Historical precedent from previous Nottingham Opens shows that scheduled first-round matches between seeded and unseeded players rarely fail to reach completion, with cancellations averaging below 2% across the past five years. The grass surface itself favours players with strong serve-and-volley mechanics; Yastremska's baseline-oriented game has proven effective on grass, whilst Maria's serve remains a notable strength despite her lower ranking.

Traders should monitor the ATP/WTA injury report through mid-June and weather forecasts for the Nottingham region in the week preceding 17 June. The settlement window's seven-day buffer provides substantial protection against minor delays, though extended rain or player withdrawal would trigger the 50-50 resolution clause. Recent tournament scheduling data from the WTA website indicates Nottingham maintains consistent match completion rates, making fixture cancellation an outlier scenario rather than a baseline expectation.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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 Prediction Today, 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?

Prediction Today 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 Prediction Today?

Zero. Prediction Today 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, Prediction Today triggers a quick verification flow that finishes in minutes.