Stuttgart Open: Giovanni Mpetshi Perricard vs Gauthier Onclin

Platform comparison

Active sub-markets

Market context

Giovanni Mpetshi Perricard, the French qualifier ranked outside the top 100, faces fellow Frenchman Gauthier Onclin in the Stuttgart Open's early rounds on 10 June 2026. The Polymarket contract currently prices Perricard's advancement at 100% on USDC via Polygon, reflecting either exceptional confidence in his form or minimal liquidity depth at current odds. Settlement hinges on a decisive result by 17 June; any cancellation, tie, or seven-day delay without resolution triggers a 50-50 split.

Perricard's trajectory offers limited historical precedent for prediction markets. As a qualifier entering a grass-court 500-level event, he typically faces ranked opponents with established records. Onclin, similarly French and lower-ranked, represents a relatively even matchup on paper. Grass-court tournaments historically produce upsets at higher rates than clay or hard courts, yet the 100% probability suggests traders may be anchoring to Perricard's seeding advantage or recent qualifying performance rather than accounting for surface volatility.

The critical variable remains match scheduling and weather. Stuttgart's June dates sit within the Wimbledon preparation window, meaning both players' injury status and training priorities could shift rapidly. Any withdrawal announcement—common among fringe players managing workload before majors—would trigger the 50-50 resolution clause. Traders should monitor ATP injury reports and player social media in the week preceding 10 June, as late scratches frequently occur at 500-level events when players reassess their grass-court preparation strategy.

Methodology

We track Stuttgart Open: Giovanni Mpetshi Perricard vs Gauthier Onclin on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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?

On Polymarket UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 it cost to trade on Polymarket UK?

Zero. Polymarket UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.