Swiss Open: Raphael Collignon vs Lorenzo Sonego

Platform comparison

Market context

Raphael Collignon faces Lorenzo Sonego in the Round of 16 at the ATP Swiss Open Gstaad, with the match scheduled for early Wednesday morning ET. The prediction market currently implies a 68% probability that Collignon advances, positioning him as the clear favourite despite Sonego’s reputation for tactical maturity in high-pressure moments[1].

Historical pricing in similar ATP Round of 16 clashes shows prediction markets often diverge from sportsbook implied probabilities by 3–5 percentage points when a lower-ranked player holds strong recent form. Here, the crowd-implied 68% for Collignon exceeds Dimers’ modelled 61% win probability and Bleacher Nation’s 66.7% sportsbook implied chance, suggesting either overconfidence in the Belgian or undervaluation of Sonego’s resilience[4][5]. This gap mirrors past Gstaad upsets where prediction markets leaned too heavily on ranking while ignoring surface-specific fatigue.

Traders should monitor pre-match warm-up reports and any late schedule adjustments, as Gstaad’s clay can amplify minor physical issues. Dimers’ analysis notes Collignon cannot afford a slow start against Sonego, making early-set momentum a critical catalyst[3]. No official injury announcements have been released as of Wednesday morning, but any delay beyond the 7-day settlement window would trigger a 50-50 resolution, adding binary risk to the position[1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Swiss Open: Raphael Collignon vs Lorenzo Sonego across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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.