Lexus Eastbourne Open: Caty McNally vs Emiliana Arango

Platform comparison

Active sub-markets

Market context

The underlying event is the women’s singles tennis match between Caty McNally and Emiliana Arango at the 2026 Lexus Eastbourne Open, scheduled for 24 June 2026 at 6:00 AM ET on grass courts in Eastbourne, Great Britain. The tournament runs from 20 to 27 June 2026, with matches typically starting at 11:00 AM, though early rounds may begin earlier [1][3].

Historically, 100% crowd-implied probabilities in pre-match tennis markets almost always signal a match that has already been decided or withdrawn, not a live contest with genuine uncertainty. Comparable cases from the 2025 WTA Swing show that such pricing resolves to the winner only when one player advances by default after the other fails to appear, or when the match is cancelled before play begins [2][6]. Programmatically, a bot evaluating this market would flag it as a conditional order on a non-event, treating the 100% YES as a settlement trigger for a default win rather than a live outcome.

Traders should monitor official WTA and ATP tour announcements for player withdrawals, illness reports, or schedule changes up to the settlement deadline of 1 July 2026. Recent updates from the LTA confirm that all draws and lineups are posted on their fan zone portal, where any late changes to McNally or Arango’s status would be reflected immediately [2]. If the match is not played, the market resolves to 50-50; if one player advances, the market resolves to that player. The key dependency is whether both players are present and the match is completed before the 7-day delay threshold.

Sources: 1 · 2 · 3 · 4 · 5

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 Polymarket Bot UK, 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?

Polymarket Bot UK 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.

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 Polymarket Bot UK?

Zero. Polymarket Bot 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 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.