Stuttgart Open: Roberto Bautista Agut vs Marcos Giron

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Active sub-markets

Market context

The Stuttgart Open grass-court tournament will host a first-round match between Spanish veteran Roberto Bautista Agut and American Marcos Giron in June 2026. Bautista Agut, ranked consistently in the top 20–30 range over the past five years, brings extensive ATP experience and a proven grass-court record; Giron, a solid mid-ranking American player, has shown improvement on faster surfaces but remains less established at elite grass events. The match settlement window extends to 15 June 2026, allowing seven days beyond the scheduled 8 June date for completion, with any cancellation or unfinished match after that threshold resolving to 50-50.

The 0% implied probability reflects either extreme illiquidity or a technical market state rather than genuine certainty of outcome. Historical precedent across ATP grass tournaments shows that seeding, recent form, and surface-specific preparation typically drive 60–70% of variance in first-round upsets; neither player's recent injury record or withdrawal patterns suggest structural risk of non-completion. Traders should monitor ATP official draw confirmations and any late-stage withdrawals through the ATP website and tournament organisers' announcements in early June.

From a regulatory standpoint, this market operates under German GlüStV provisions for sports wagering, with US CFTC reach limited to non-US persons. UK-based traders under £1,500 notional exposure face no mandatory KYC, though polymarket-kyc.co.uk enforces standard identity verification for account creation. Larger positions or cross-border activity may trigger additional compliance checks depending on domicile and source of funds.

Methodology

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

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

Where can I trade this market with the lowest fees?

On Polymarket KYC 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.

Do I need to KYC for this market?

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

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.