Lexus Eastbourne Open, Qualification: Marcos Giron vs Jan Choinski

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Active sub-markets

Market context

Marcos Giron’s qualifier against Jan Choinski at Eastbourne is the underlying event, and the current **100% yes** price suggests the market is treating a Giron advance as near-certain. That is a very aggressive read for a match that, on paper, looks like a routine grass-court qualifying final rather than a one-sided mismatch; the two players are meeting in Eastbourne qualifying and both came through earlier rounds to get here.[1][5]

For context, comparable tennis markets can move sharply on surface fit and scheduling rather than ranking alone. Giron arrived after a three-set win over Charles Broom, dropping one set, while Choinski reached the same stage without losing a set, which makes the 100% implied probability look more like a statement about market positioning than form margin.[1] The pair have also met only once before, so there is limited head-to-head evidence to anchor an extreme price.[1]

The main catalysts are straightforward: confirmation that the qualifying final actually takes place as scheduled, any late withdrawal or walkover, and live start-time information from the tournament schedule or scoreboard feeds.[4][6] If the match is delayed, abandoned, or never begins, settlement depends on the market rules rather than pre-match strength; if it is completed, the result will track who advances. Current listings show the match slated for Court 1 in Eastbourne on 21 June, with no injury or coaching-news angle evident in the available reporting.[1][5]

Sources: 1 · 2 · 3 · 4 · 5

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 Sport Prediction, 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 Sport 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.

Is this market available outside the US?

Sport Prediction 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'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.