Lexus Eastbourne Open, Qualification: Jan Choinski vs Yibing Wu

Platform comparison

Active sub-markets

Market context

Polymarket’s contract on Jan Choinski versus Yibing Wu is trading at **100% YES**, so the market is effectively pricing a full conditional-token payout for Choinski advancing in this Eastbourne qualifying match, settled in USDC on Polygon. In Polymarket terms, that means buyers of the YES side are paying for the right to receive $1 per share if the official result goes Choinski’s way, while the NO side only pays if Wu advances.

That pricing is easiest to read against the event’s recent handling on the tournament feeds: ATP’s Eastbourne qualifying page recorded Choinski beating Wu 7-6(5), 6-4, while live and scoreboard listings placed the match on court and in qualifying action for the 2026 Lexus Eastbourne Open.[2][4][7] For traders, the key point is that a 100% crowd price usually reflects either a completed result already being absorbed, or the absence of credible uncertainty left in the contract. Historical comparison here is straightforward: on Polymarket, tennis moneylines typically move sharply once an official result is posted, because the token settles strictly on the match outcome rather than broader tournament context.[1]

The main catalysts to watch are the official ATP match record, any venue or scheduling changes, and whether the contest was actually completed before the market’s settlement deadline. Polymarket’s own rules note that prices react to news such as injury reports, lineup changes and other developments, and that unfinished or cancelled matches can trigger alternative resolution handling depending on what happens on court.[1] The practical dependency is therefore not just whether the players were scheduled, but whether the ATP’s official result is final enough to lock in Choinski’s advance before the 7-day cutoff.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Lexus Eastbourne Open, Qualification: Jan Choinski vs Yibing Wu on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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 Kalshi UK?

Zero. Kalshi UK 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.