Swiss Open, Qualification: Daniel Michalski vs Calvin Hemery

Platform comparison

Market context

Daniel Michalski, the Polish qualifier, faces Frenchman Calvin Hemery in the first-round qualifying match for the EFG Swiss Open Gstaad on clay, scheduled to start at 10:00 UTC today at Court 1. On Polymarket, this USDC contract on the Polygon network currently prices Michalski’s advancement at 0% YES, implying the crowd expects Hemery to win or the match to be voided under the conditional token rules.

Historically, 0% pricing in ATP qualifying markets on Polymarket often signals either a confirmed withdrawal, a severe injury, or a scheduling error rather than a genuine belief in a player’s inability to win. Comparable cases from recent clay-court qualifiers show that when a match is listed but one player is absent from the official ATP draw or live score feeds, prices collapse to zero until the dispute resolves or the market is cancelled.

Traders should monitor the official ATP Tour live scores and Flashscore for real-time status updates, as a delay beyond seven days or a cancellation triggers the 50-50 settlement clause. Recent coverage from Corriere dello Sport indicates Set 1 is already in progress with Hemery leading 6-5, suggesting the match is active and the 0% price may reflect a lag in on-chain data rather than a true event outcome. Watch for official Gstaad tournament announcements regarding weather delays or player fitness, which could alter the resolution path before the 2026-07-18 settlement window closes.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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 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.