Bad Homburg Open: Ann Li vs Ekaterina Alexandrova

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Active sub-markets

Market context

The real-world event is the WTA tennis match between Ann Li and Ekaterina Alexandrova at the Bad Homburg Open, originally set for 21 June 2026 but now scheduled for 23 June 2026. In prediction markets, a YES share pays out if the market’s outcome occurs—here, if Ann Li advances—while a NO share pays if she does not. This specific market currently shows a 100% YES probability, implying the crowd believes Li will win outright, though the settlement window remains open until 28 June 2026.

Historically, 100% probabilities in tennis markets often signal either a mismatch or a market error, as even top players face injury, fatigue, or unexpected form dips. Comparable cases include matches where one player was ranked significantly lower but still won due to surface advantage or mental resilience. In this case, Ann Li holds a 41% projected win chance against Alexandrova, who is projected at 59% [3], suggesting the 100% YES may reflect a misunderstanding of the actual matchup rather than a guaranteed outcome.

Traders should monitor official WTA order-of-play updates, player fitness announcements, and any weather-related delays affecting the grass-court schedule [9]. Recent match highlights show Li defeated Alexandrova 4–6, 6–4, 6–3 in Strasbourg, indicating Li can perform well against her [6]. However, Alexandrova has been described as “unbearably poor” in 2026, though she may still outperform Li on grass [4]. Any change in player status or match timing could shift the probability dramatically before settlement.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Bad Homburg Open: Ann Li vs Ekaterina Alexandrova across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Prediction Market UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Where can I trade this market with the lowest fees?

On Prediction Market 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.

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.

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.