Pronóstico: Swiss Open: Raphael Collignon vs Lorenzo Sonego

Platform comparison

Market context

Raphael Collignon faces Lorenzo Sonego in the Swiss Open Gstaad round of 16 today, with the on-chain market pricing Collignon at a 52% implied probability to advance. On Polymarket, this contract trades in USDC on Polygon, where conditional tokens reflect a slight lean toward the Belgian, despite Sonego’s higher ATP ranking and experience. The 52% price sits notably below external modelling, creating a divergence traders must weigh against the settlement rules that default to 50-50 if the match is delayed beyond seven days or cancelled.

Historical precedents in ATP 250 events show that when bookmaker odds imply a 60–67% win chance for one player but the prediction market prices them lower, the market often corrects sharply within 24 hours of play. For instance, in last year’s Gstaad quarter-final, a similar 10% gap between betting odds and Polymarket pricing narrowed as injury news surfaced, pushing the token price toward the model’s projection. Here, Collignon’s 61% modelled win probability from Dimers and 66.7% implied chance from moneyline odds suggest the current 52% may be underpriced, especially if Sonego shows fatigue from earlier rounds.

Traders should monitor the official ATP schedule for any delay announcements and check Sonego’s recent match logs for physical strain, as both are key catalysts. Bleacher Nation notes Collignon is the favourite at -200 odds, while Dimers’ simulation reinforces his edge; any shift in these figures before the 4:00 AM ET start could trigger rapid token repricing. Watch for pre-match press updates or weather alerts in Gstaad, which could activate the 50-50 settlement clause if the match is postponed beyond the seven-day window.

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Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Qué Es, which mirrors the Polymarket order book directly.

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

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 Polymarket Qué Es. 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.

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.