Zug: Jerome Kym vs Jay Clarke

Platform comparison

Market context

Jerome Kym has already defeated Jay Clarke in their ATP Challenger Zug match, which concluded on 20 July 2026 with a 2–0 set victory for Kym. The result is confirmed across multiple live-score and stats platforms, meaning the underlying event determining this prediction market has occurred and Kym has advanced [1][2][4].

Historical precedents in prediction markets show that when a match result is definitively settled before the settlement window closes, markets with 100% implied probability typically remain locked unless a formal cancellation or disqualification is announced by the tournament. In similar tennis Challenger events, once a winner is recorded and no retirement or default is cited post-match, the market resolves cleanly to the advancing player without further volatility [3][6].

Traders should monitor official ATP Challenger Zug communications for any rare post-match rulings, such as a retroactive disqualification or code violation that could alter advancement status, though no such announcements have been made as of 21 July 2026. The schedule confirms no replay or delay is scheduled, and the match is marked complete with Kym advancing [2][5]. With the settlement window ending 27 July 2026 and the outcome already fixed, the 100% YES probability reflects a settled real-world result rather than a speculative forecast.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Zug: Jerome Kym vs Jay Clarke 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

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

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.

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.