Lexus Eastbourne Open: Daniel Altmaier vs Aleksandar Kovacevic

Platform comparison

Active sub-markets

Market context

Daniel Altmaier faces Aleksandar Kovacevic in a scheduled men’s singles match at the Lexus Eastbourne Open, a grass-court tournament held at Devonshire Park in Eastbourne from 20 to 27 June 2026[1][2]. The match was originally set for 22 June 2026 at 6:00 AM ET, with the outcome determining which player advances to the next round[3]. In prediction markets, a YES share pays out if the market’s specified condition occurs—here, that Altmaier wins—while a NO share pays if he does not. This market currently shows a 100% YES probability, implying near-certainty that Altmaier will advance, though the settlement window remains open until 29 June 2026[1].

Historically, 100% probabilities in tennis prediction markets often reflect either a confirmed withdrawal of the opponent or an official result already known before the market closes. Comparable cases include matches where one player fails to arrive due to injury or visa issues, leading to automatic advancement for the other[2]. Traders should monitor official ATP and tournament announcements for any updates on player status, draw changes, or match cancellations, as these can alter the outcome even after a high probability is set[3][6]. The roster for Eastbourne 2026 has not yet been fully released, so confirming both players’ participation remains a key dependency[2].

Watch for daily schedule updates on the ATP Tour site and live score feeds from ESPN, which provide real-time match results and confirm whether the contest was played or postponed[3][7]. If the match is not played within seven days of the scheduled date, the market resolves to a 50–50 split, introducing a small but real risk despite the current certainty[1]. Until the settlement window closes, the 100% YES price should be treated as a strong signal, not an absolute guarantee.

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 Prediction Market UK, which mirrors the Polymarket order book directly.

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

Is this market available outside the US?

Prediction Market 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.

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 Prediction Market UK?

Zero. Prediction Market 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.