Swiss Open: Raphael Collignon vs Valentin Vacherot

Platform comparison

Market context

Raphael Collignon faces Valentin Vacherot in the quarterfinal of the ATP Swiss Open Gstaad, a match scheduled to begin at 10:30 local time on 17 July. The prediction market currently assigns Collignon a 56% implied probability of advancing, reflecting a slight edge over his opponent in this tight contest.

Historical modelling for this fixture shows notable divergence between platforms. Dimers’ advanced simulation aligns precisely with the prediction market, assigning Collignon a 56% win chance, whereas traditional sportsbooks like Bleacher Nation price him as a stronger favourite at -175, implying a 63.6% probability. This 7.6% gap suggests the prediction market is more conservative than the US betting lines, while tennis.com’s projected winner metric sits slightly higher at 60%. Traders should note that The Stats Zone and tennis.com both favour Collignon, creating a consensus that the market’s 56% figure may be undervaluing the Belgian’s advantage.

Key catalysts include the finalisation of the 10:30 start time and any pre-match fitness updates, as Collignon holds a neutral 2-2 head-to-head record against plausible opposition in this draw. With the settlement window closing on 24 July, traders must monitor for any delays beyond the seven-day cancellation clause, which would reset the market to 50-50. No major injury announcements have been reported as of the morning of 17 July, keeping the current odds intact.

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 Best Prediction Markets UK, 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

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 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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.