Philadelphia: Oksana Selekhmeteva vs Capucine Jauffret

Platform comparison

Market context

Oksana Selekhmeteva’s Philadelphia match against Capucine Jauffret is a straightforward WTA 125 Round of 16 contest on hard court, with the official order of play listing Selekhmeteva as the seeded player and Jauffret as a lucky loser replacement.[8][12][14] That setup matters for modelling: a market price of 84% YES is consistent with a seeded player facing a much lower-ranked opponent, but the price is also sensitive to any sign that the favourite is not handling the court conditions cleanly.

The historical frame is limited because the pair had not met before the event, so there is no head-to-head sample to anchor a probability model.[2][5] In practice, traders usually weight ranking gap, seed status, and tournament pathway more heavily than raw name recognition in this type of lower-tier WTA draw.[1][2] Capucine Jauffret entered the main draw as a lucky loser after a withdrawal, which is a common source of mispricing when markets initially underweight the replacement player’s true level.[14]

For programme-driven trading, the key catalyst set is narrow: official draw updates, walkovers, retirements, and any change to the order of play on the Philadelphia schedule.[6][8][12] The event runs 23–29 August, and the match was listed for 26 August, so automated checks should watch for postponement, medical timeouts, or scoreline feeds that flip the market if the match is suspended beyond the settlement window.[1][4][6] If the fixture does not start or finish on time, resolution can drift towards the market’s tie rules, so conditional orders should be keyed to both live status and official tournament notices.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Bot UK, 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.

UK Frequently Asked Questions

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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.

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Do I pay tax on prediction market profits in the UK?

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