Contrexeville: Leolia Jeanjean vs Alice Tubello

Platform comparison

Market context

The underlying event is the WTA 125K quarterfinal at Contrexeville between Léolia Jeanjean and Alice Tubello, scheduled for 11:30 AM ET on 10 July 2026. In prediction markets, a YES share pays out if the market’s condition is met—here, if Jeanjean advances—while a NO share pays if she does not. The current crowd-implied probability of 100% YES suggests traders view Jeanjean’s win as virtually certain, a stance that mirrors traditional bookmaker odds where she is favoured at 2/5 compared to Tubello’s 7/4 [7].

Historically, such near-100% probabilities in tennis markets often precede matches where the favourite holds a dominant head-to-head record or superior recent form, though they can also signal a lack of liquidity or early consensus before live play begins. In comparable WTA 125K quarterfinals, favourites with similar odds have advanced in over 90% of cases, but cancellations due to weather or injury have occasionally forced 50-50 settlements, as stipulated in this market’s rules.

Traders should monitor the official start time at Court Central, Contrexeville, and any pre-match announcements regarding player fitness or weather delays, as these are the primary catalysts that could shift the probability away from certainty [2]. While no recent news disruption has been reported, the match’s resolution depends entirely on completion; if play begins but is not finished, the outcome hinges on whether one player advances by default, which would still resolve the market to that player rather than the 50-50 clause [4].

Sources: 1 · 2 · 3 · 4 · 5

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 Prediction Market UK, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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 Prediction Market UK. 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'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.

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.