Bad Homburg Open: Alexandra Eala vs Elise Mertens

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Active sub-markets

Market context

The underlying real-world event is the first-round WTA tennis match between Alexandra Eala and Elise Mertens at the Bad Homburg Open in Germany, originally scheduled for 21 June 2026 but confirmed to have taken place on 22 June 2026. Current market data shows a 100% implied probability that Eala advances, a certainty that aligns with GMA News reporting that Eala won the match and progressed to the semifinals[8]. This outcome resolves the market to "Alexandra Eala" as defined, confirming the event has concluded with a clear winner.

Historically, markets assigning 100% probability to a sports outcome before resolution are exceptionally rare and typically reflect post-event confirmation rather than predictive foresight. Comparable cases in tennis prediction markets show that such certainty emerges only after match highlights or official score confirmations become public, as seen with Sofascore and Flashscore listings confirming Eala’s victory on 22 June[5][6]. The 100% figure here does not indicate a pre-match forecast but rather a post-match settlement where the result is already known and verified.

Traders should monitor official WTA tournament updates and match highlight releases for any discrepancies, though current sources confirm Eala’s advancement[2][3]. The primary catalyst the market leans on is the official match result published by GMA News on 22 June, which explicitly states Eala won and advanced[8]. No further announcements or schedule dependencies remain relevant, as the settlement window now serves only to formalise the already-determined outcome. The market is fully resolved, with no pending catalysts to watch.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Bad Homburg Open: Alexandra Eala vs Elise Mertens 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. Election Predictions UK 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

Is this market available outside the US?

Election Predictions 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 Election Predictions UK?

Zero. Election Predictions UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Election Predictions UK triggers a quick verification flow that finishes in minutes.