Bad Homburg Open: Liudmila Samsonova vs Katerina Siniakova

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Active sub-markets

Market context

Polymarket is pricing the contract at **100% YES** in USDC on Polygon, which means the market is effectively treating Liudmila Samsonova to advance over Katerina Siniakova as a done deal rather than a live two-way contest. The underlying event is a WTA Bad Homburg Open first-round match scheduled for 21 June 2026, and the market resolves via the match outcome, or to 50-50 if the fixture is not played, ends level, or is delayed beyond the settlement rules. Tennis.com listed the match with Siniakova as the projected winner at 60%, while the event page and sportsbook listings also place it for 5:00am ET / 09:00 UTC[1][3][4].

For context, this pairing has already produced close grass-court meetings, including Siniakova’s three-set win at Bad Homburg in 2024, which is the clearest recent head-to-head reference point for how traders should read the matchup rather than assuming any single-side certainty[6][9]. On comparable women’s grass matches, price can move sharply once lineup confirmation is published and the first ball is struck, because a market settled on conditional tokens does not care about pre-match reputation once the official result is in. With the contract still exposed to cancellation, postponement, or a no-result scenario inside the seven-day window, the practical trade risk sits less in player names than in whether the WTA schedule and match completion proceed as posted[1][4].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Bad Homburg Open: Liudmila Samsonova vs Katerina Siniakova 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 Polymarket Scam? — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Where can I trade this market with the lowest fees?

On Polymarket Scam?, 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.

Is this market available outside the US?

Polymarket Scam? 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.

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 Polymarket Scam??

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

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.