Stuttgart Open, Qualification: Roman Safiullin vs Alexis Galarneau

Platform comparison

Active sub-markets

Market context

The Stuttgart Open qualification match between Roman Safiullin and Alexis Galarneau is priced at zero on Polymarket's conditional token structure, suggesting traders have assigned negligible probability to Safiullin's advancement. The match was originally scheduled for 7 June 2026 at 06:30 ET, with settlement occurring by 14 June. On-chain USDC liquidity reflects this extreme skew, though the 0% price itself often signals either sparse trading volume or a consensus view so strong that counteroffers have dried up entirely.

Safiullin, a Russian player ranked outside the top 200 ATP positions, faces Galarneau, a Canadian qualifier with comparable or marginally stronger recent form on the Challenger circuit. Historical qualification-round pricing in tennis markets shows that when one player carries a 0% implied probability, the underlying matchup typically involves a significant ranking differential or recent injury disclosure. The absence of recent ATP ranking data for either player in public sources suggests the market may be responding to withdrawal announcements, fitness concerns, or late-stage draw changes that occurred after initial odds were set.

Traders monitoring this contract should track official Stuttgart Open draw confirmations and any injury bulletins released through the ATP or tournament website in the week preceding 7 June. Qualification draws frequently experience last-minute substitutions when higher-ranked players withdraw or receive main-draw byes. The settlement window's seven-day buffer means matches delayed beyond 14 June trigger a 50-50 resolution, a mechanic that occasionally creates arbitrage opportunities if tournament scheduling slips occur.

Methodology

We track Stuttgart Open, Qualification: Roman Safiullin vs Alexis Galarneau 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 Kalshi 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 does it cost to trade on Kalshi UK?

Zero. Kalshi 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.

Do I need to KYC for this market?

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