Swiss Open: Raphael Collignon vs Valentin Vacherot

Platform comparison

Market context

Raphael Collignon faces Valentin Vacherot in the Swiss Open Gstaad quarterfinal today, with the on-chain market pricing Collignon as the likely advancer at 56% YES. This Polymarket contract, settled in USDC on Polygon via conditional tokens, reflects a tight divergence from traditional bookmakers, who currently imply a 63.6% win probability for Collignon at -175 odds [4]. While Dimers’ advanced simulation model aligns precisely with the crowd’s 56% figure, the discrepancy suggests traders are weighing surface-level volatility against deeper statistical confidence [3].

Historical precedents in ATP quarterfinals show that when crowd-implied probabilities sit between 55% and 65%, the favourite often underperforms relative to bookmaker lines due to late injury news or weather delays. In similar Gstaad matches over the past three years, matches starting with a 60% projected winner for one player resolved to the underdog in 38% of cases when external variables like humidity spiked [1]. The current 56% price point sits just below that threshold, indicating the market may be slightly underpricing Collignon’s resilience compared to the 60% projected winner seen in pre-match analytics [1].

Traders should monitor the 10:30 local start time confirmation and any pre-match fitness updates from both players, as delays beyond seven days trigger a 50-50 resolution [2]. The ATP’s official tournament schedule lists no weather warnings, but Gstaad’s mountainous terrain can cause sudden rain interruptions that delay play without cancelling the match entirely [6]. A late withdrawal or medical timeout before the first serve would invalidate the current pricing, making real-time score feeds on Sportschau critical for position management [2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Swiss Open: Raphael Collignon vs Valentin Vacherot 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

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

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.

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.