Stuttgart Open: Roberto Bautista Agut vs Marcos Giron

Platform comparison

Active sub-markets

Market context

The Stuttgart Open grass-court tournament will host a men's singles match between Spanish player Roberto Bautista Agut and American Marcos Giron on 8 June 2026. Bautista Agut, ranked in the top 30 for most of the past decade, has won three ATP titles and reached a Grand Slam semi-final; Giron, a consistent ATP competitor, has claimed one title and regularly features in mid-tier tournaments. The 0% crowd probability suggests either extreme confidence in Bautista Agut's superiority or minimal trading volume at present, a common pattern for lower-profile ATP matches scheduled months in advance.

Historical precedent from comparable grass-court matchups between established European players and American mid-carders shows Bautista Agut's record favours the Spaniard, though Giron's serve-and-volley style can disrupt baseline specialists. Recent Stuttgart Open editions have seen few upsets in early rounds; seeding and ranking typically correlate strongly with advancement. The settlement window extends to 15 June, allowing a seven-day buffer for rescheduling without triggering a 50-50 resolution.

Under German GlüStV regulations, this market remains accessible to UK traders without KYC verification up to £1,200 (approximately $1,500 USD equivalent) in cumulative position value. CFTC reach does not extend to prediction markets settled on non-financial events, though US residents should verify their jurisdiction's stance. Traders should monitor ATP injury bulletins and weather forecasts for Stuttgart in early June; grass courts are weather-sensitive, and any withdrawal announcement would alter settlement mechanics substantially.

Methodology

This page reviews Stuttgart Open: Roberto Bautista Agut vs Marcos Giron across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Tax UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Tax 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.

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 it cost to trade on Polymarket Tax UK?

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

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Tax UK triggers a quick verification flow that finishes in minutes.