Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu

Platform comparison

Market context

Sofia Costoulas defeated Ayla Aksu 2–0 in the Livesport Prague Open qualification match, a result already confirmed by official WTA records and Russian sports media [1][2]. The match, originally scheduled for 19 July 2026, has concluded with Costoulas advancing, meaning the prediction market titled “Livesport Prague Open, Qualification: Sofia Costoulas vs Ayla Aksu” will resolve to YES with 100% certainty. This outcome aligns precisely with the current crowd-implied probability, leaving no divergence between prediction-market pricing and actual match results.

Historically, prediction markets on completed tennis matches with confirmed winners resolve instantly once official results are published, often within minutes of the final score appearing on WTA or major sports databases. In such cases, sportsbook lines typically close before the match ends, while prediction markets remain open until settlement, creating a brief window where implied probabilities may lag behind reality. Here, the 100% YES pricing reflects immediate market recognition of the confirmed result, mirroring patterns seen in prior WTA qualification markets where outcomes were settled within hours of match completion.

Traders should monitor official WTA settlement confirmations and cross-platform odds updates, though no further catalysts are expected given the match’s conclusion. With the settlement window ending on 26 July 2026, the contract’s resolution is now a matter of administrative processing rather than event uncertainty. Recent coverage on Tennis Majors and Ria.ru confirms the 2–0 scoreline, eliminating any ambiguity about advancement [2]. No schedule changes, cancellations, or delays apply, as the match was fully played and decided.

Sources: 1 · 2

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, which mirrors the Polymarket order book directly.

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 Best Prediction Markets. 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 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.

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.