Wimbledon, Qualification ATP: Mackenzie McDonald vs Felipe Meligeni Alves

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Active sub-markets

Market context

Polymarket-style pricing on this Wimbledon qualifying match is effectively pinned at **100% YES**, meaning the contract is trading as if Mackenzie McDonald will advance against Felipe Meligeni Alves. On Polymarket, exposure sits in **USDC** and the outcome is represented through **conditional tokens** on Polygon, so the live price reflects the market’s current view of who clears the match rather than a separate sportsbook line.

That near-certain read fits the way traders usually handle a scheduled qualifying match once line-ups are set and one side is seen as clearly more likely to progress. Comparable tennis markets tend to hold close to the favourite only when the draw is stable and there is no sign of withdrawal, delay or venue disruption; if the match is not played at all, ends level, or drifts beyond the settlement window, the market can still resolve to **50-50** under the contract rules. The event was listed as a Wimbledon qualifying clash, with live match feeds showing it due on 22 June in London, which supports the view that the contract is being priced as a straightforward completion bet rather than a broad tournament storyline.[4][5]

What traders still watch is the operational side: final order of play, late withdrawals, retirements, and any schedule changes around Wimbledon qualifying, because those can matter as much as on-court form for settlement. The market description also matters here: if the match begins but one player advances because of retirement, default or disqualification, the contract resolves to the player who advances, whereas a pre-start walkover is treated differently and can fall back to **50-50**.[1] That makes the key catalyst not just who is stronger on paper, but whether the fixture actually starts and finishes under the settlement rules before the 2026-06-29 deadline.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Wimbledon, Qualification ATP: Mackenzie McDonald vs Felipe Meligeni Alves on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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?

On Kalshi UK, 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.

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 it cost to trade on Kalshi UK?

Zero. Kalshi UK 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.

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.