Bad Homburg Open: Alexandra Eala vs Elise Mertens

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Market context

Alexandra Eala’s meeting with Elise Mertens is the live issue now, with the market still pinned at **100% YES** after the match remained on the Bad Homburg schedule into 22 June and broadcast/live-score listings continued to carry it as an upcoming Round 1 contest.[1][2][4][9] That makes the present price look less like a pure handicap on who wins and more like a statement that the match is expected to be played, with no immediate sign of a cancellation or a delay that would push it into the market’s 50-50 fallback window.[1][2][9]

For context, the schedule itself points towards a relatively routine WTA first-round setup rather than a chaotic rescheduling scenario: Tennis.com listed Mertens as the projected winner by 56%, while Yahoo’s tournament page also kept the pairing active on 22 June.[2][4] In comparable WTA events, prices often stay elevated when a match is confirmed on court but can still move sharply if there is a late withdrawal, walkover risk, or weather interruption close to start time; that is especially relevant here because the settlement depends on the match being completed or, failing that, whether one player advances by official means.[1][2]

The main catalysts are procedural rather than tactical: final order of play updates, any medical timeout or withdrawal news, and whether the Bad Homburg schedule holds long enough for the match to produce a winner before the 7-day cutoff on 28 June.[1][2][7][9] If the contest is played, the result is straightforward; if it is postponed beyond that window, not played at all, or left unresolved, the market can still revert to 50-50 under its stated rules.[1]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Bad Homburg Open: Alexandra Eala vs Elise Mertens on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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

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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.