Lexus Eastbourne Open, Qualification: Jan Choinski vs Yibing Wu

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Active sub-markets

Market context

Jan Choinski’s qualification match with Yibing Wu at Eastbourne is the underlying event, and the live tournament data indicates both players have already arrived on court, which is why the market has effectively locked in a full **100% YES** expectation. ATP live scoring has the pairing listed in the 2026 Lexus Eastbourne Open qualifying draw, while ESPN’s scoreboard places the meeting in the men’s singles qualifying programme for the same week.[1][7]

The cleanest frame here is historical scheduling risk rather than form: in tennis markets, a near-certain price usually reflects the match being on site, on time, and past the pre-start cancellation risk that can force a 50-50 settlement. Kalshi’s own rule set for this fixture shows that the key trigger is whether a ball has been played; if not, walkovers, withdrawals, or other pre-start cancellations resolve to fair value rather than a normal win for either side.[3] Robinhood’s similar market language also points to the same dependency on the match actually taking place, with postponements staying open until the rescheduled contest is finished.[2]

The catalyst traders should watch is simple: whether the first point is played and whether any interruption before completion changes the settlement logic. If the match starts and finishes, the winner is decisive; if it is cancelled before play, delayed too long, or otherwise never produces a winner, the market can flip to the tie-style 50-50 outcome described in the rules. ATP’s live and archive pages, plus tournament scoreboards, are the best sources for confirming whether the result has become official or whether the fixture remains vulnerable to a walkover or abandonment.[1][5][7]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Lexus Eastbourne Open, Qualification: Jan Choinski vs Yibing Wu across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Trump Prediction routes every trade through to Polymarket — at 0% fees.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

Where can I trade this market with the lowest fees?

On Trump Prediction, 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.

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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Trump Prediction triggers a quick verification flow that finishes in 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.