Contrexeville: Alice Tubello vs Caroline Werner

Platform comparison

Market context

The tennis match between Alice Tubello and Caroline Werner at Contrexeville, originally set for 6:30 AM ET on 8 July 2026, is the real-world event driving this prediction market. Today, Polymarket prices the contract at 100% YES for Tubello advancing, reflecting a crowd-implied certainty that she will win or her opponent will not progress. This pricing sits alongside traditional betting odds where Tubello holds a 1.61 favourite status against Werner’s 2.20, suggesting a tangible edge in the underlying event despite the market’s absolute confidence [1].

Historically, such 100% conditional token prices on Polygon often precede matches where one player is severely outclassed or where the opponent has withdrawn before play, as seen in prior WTA Challenger events where conditional USDC payouts resolved instantly once the draw was confirmed. In comparable cases, markets pricing at full certainty have resolved to the named player only after the opponent failed to appear, triggering the 50-50 clause if no winner was determined within seven days. Traders should note that such pricing rarely accounts for on-court cancellations unless the withdrawal is already official.

Key catalysts include the official start-time confirmation from the tournament organiser and any late injury announcements from either player’s team. A recent update from Tennis Tonic confirms Tubello has won her first-round match and is now scheduled against Werner on clay, with no reported fitness issues [7]. Traders must monitor the Grand Est Open 88 schedule for any delays beyond the seven-day window, which would trigger the 50-50 settlement, and watch for real-time score feeds on Flashscore to confirm the match begins and completes [3].

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 PolyGram, which mirrors the Polymarket order book directly.

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

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.

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.

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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.