Wimbledon ATP: Quentin Halys vs Marcos Giron

Platform comparison

Market context

Quentin Halys faces Marcos Giron in the second round of the 2026 Wimbledon Men’s Singles on 2 July 2026, with the match scheduled to begin at 10:00am ET. The prediction market titled “Wimbledon ATP: Quentin Halys vs Marcos Giron” currently implies a 0% probability that Halys will advance, a stark divergence from sportsbook lines and analyst consensus that both players are competitive.

Historically, prediction markets assigning near-zero probabilities to top-tier ATP players at Wimbledon have often corrected when live conditions shift—such as when weather delays, injury concerns, or surface adaptation favour the underdog. In this case, Dimers’ model gives Halys a 47.6% win probability, while FanDuel lists him at +102 moneyline odds, suggesting the 0% implied probability is an outlier not supported by broader betting data[4][9].

Traders should monitor real-time updates on player readiness, including any pre-match withdrawal announcements or changes to the draw schedule. Kalshi’s rules state that if the match does not begin, markets resolve to a fair price, making early confirmation of play critical[6]. Recent coverage from Tennis.com confirms the match is live and ongoing, with Halys having won the first set 6–5, indicating the market’s 0% probability may already be misaligned with in-play developments[1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Wimbledon ATP: Quentin Halys vs Marcos Giron 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 PolyGram. 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.

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 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.