Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo

Platform comparison

Market context

The Swiss Open clay-court tournament will host a first-round encounter between Belgian qualifier Raphael Collignon and Argentine Juan Manuel Cerundolo on 18 July 2026. Collignon, ranked outside the top 200, faces a significant step up in competition against Cerundolo, who has established himself as a consistent ATP-level competitor with multiple tour-level victories. The 56% implied probability favouring Collignon suggests the market is pricing in either substantial uncertainty about Cerundolo's form heading into the event or valuing Collignon's recent qualifying performance more heavily than historical rankings would suggest.

Cerundolo's recent trajectory provides the primary historical context. The Argentine has shown inconsistency at ATP 250 level, with performances varying considerably depending on surface and opponent quality. Collignon's path through qualifying would need to be examined for the calibre of opposition faced; clay-court qualifying draws at established tournaments typically feature players capable of competing at Challenger level. The 56% probability sits close to a coin flip, indicating genuine uncertainty rather than strong conviction either direction.

Traders should monitor official tournament draw confirmations and any late withdrawals through the settlement window closing 25 July. Injury announcements affecting either player in the week preceding the match would shift probability materially. Weather delays on clay courts are common in European summer tournaments; the seven-day resolution window provides some buffer, though extended rain could trigger the 50-50 tie-break clause if the match remains unplayed beyond that threshold.

Methodology

We track Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo 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 Prediction Today. 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.