Pronóstico: Livesport Prague Open: Antonia Ruzic vs Dominika Salkova

Platform comparison

Market context

Antonia Ruzic faces Dominika Salkova in the Livesport Prague Open, a match originally set for 9:30AM ET on 20 July 2026, yet the on-chain market currently prices Ruzic’s advancement at 0% YES. This near-zero valuation on Polygon, settled in USDC via conditional tokens, signals the contract is either stalled by a cancellation or the market treats Salkova as an overwhelming favourite with no liquidity supporting Ruzic.

Historically, tennis contracts on Polymarket that hit 0% before play often reflect a withdrawn player or a no-show rather than a genuine skill gap; comparable cases from the 2024 WTA season saw similar pricing collapse when one participant failed to arrive, triggering the 50-50 default clause if unresolved within seven days. Traders should note that a 0% price does not guarantee Salkova wins, but rather that the market believes the match may not produce a valid winner under the stated settlement rules.

Key catalysts include the official Prague Open draw confirmation and any injury updates from the Czech Tennis Association, which could clarify whether the match is still scheduled or already void. A recent report from the tournament’s official site confirms no postponement has been announced as of 21 July, suggesting the 0% price may stem from thin liquidity rather than a confirmed cancellation, making this a high-risk, binary exposure for on-chain traders monitoring the settlement window ending 27 July 2026.

Methodology

We track Pronóstico: Livesport Prague Open: Antonia Ruzic vs Dominika Salkova across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.