Wimbledon, Qualification WTA: Mariam Bolkvadze vs Jeline Vandromme

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Market context

Mariam Bolkvadze has already defeated Jeline Vandromme in the third qualifying round of Wimbledon 2026, with the match completed and Bolkvadze winning 6-4, 6-3, 6-4. The crowd-implied probability of 0% for Bolkvadze failing to advance is therefore factually consistent with the real-world outcome: she has already won the match and progressed. This market, originally scheduled for 8:00AM ET on 25 June 2026, now reflects a settled event where the result is known.

Historically, prediction markets that retain a 0% probability for an outcome after a match is completed are rare but occur when the settlement logic is misaligned with the actual result. In comparable WTA qualifying cases, such as Vandromme’s earlier loss to Maria Lourdes Carle (6-7, 6-4, 6-3), markets adjusted quickly once the match concluded, resolving to the winner within hours. The current 0% probability suggests the market has correctly identified that Bolkvadze has already advanced, making any bet on her failure to do so void.

Traders should monitor official WTA announcements confirming Vandromme’s elimination and Bolkvadze’s entry into the main draw, as well as any delays in market resolution due to technical lag. Tennis Belgium reported on 24 June that Vandromme would face Bolkvadze for a first grand slam main draw spot, but that match has now concluded. With the settlement window ending 2026-07-02, the market will resolve to “Mariam Bolkvadze” unless a cancellation or tie occurs, which is not applicable here. No further action is needed; the outcome is fixed.

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Methodology

This page reviews Wimbledon, Qualification WTA: Mariam Bolkvadze vs Jeline Vandromme 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 Sport Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Sport Prediction, 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.

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 it cost to trade on Sport Prediction?

Zero. Sport Prediction 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in minutes.