Lexus Eastbourne Open: Caty McNally vs Emiliana Arango

Platform comparison

Active sub-markets

Market context

The underlying event is the tennis match between Caty McNally and Emiliana Arango at the Lexus Eastbourne Open, scheduled for 6:00 AM ET on 24 June 2026 on grass courts in Eastbourne, Great Britain. The tournament runs from 22 to 27 June 2026, with matches typically starting at 11:00 AM local time, and this contest is a key WTA 250 singles encounter on the grass-court swing[1][4].

Historically, 100% crowd-implied probabilities in pre-match tennis markets are exceptionally rare and usually signal either a confirmed withdrawal of one player or an administrative error in market setup, as even dominant players face non-zero risks of injury, weather delays, or unforced errors on grass. Comparable cases from recent WTA tournaments show that when markets resolve to a single winner with absolute certainty before play, it often follows a formal announcement that one competitor has withdrawn due to illness or injury, a pattern documented by the LTA and WTA official channels[3][4].

Traders should monitor official WTA and ATP Tour announcements for any declaration of player withdrawal, medical updates, or schedule changes that could cancel the match before it begins, as these are the primary catalysts that would shift the market from 100% YES to a 50-50 resolution if the match is not played[4][5]. The market is leaning on the assumption that both players will compete, but any news from the WTA Official site regarding Arango or McNally’s fitness or availability could instantly invalidate the current probability, making real-time monitoring of the tournament’s daily schedule and player lineups essential[2][5].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Lexus Eastbourne Open: Caty McNally vs Emiliana Arango plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

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.

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 Trump Prediction?

Zero. Trump Prediction 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.