Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.
Active sub-markets
| Stuttgart Open: Ben Shelton vs Taylor Fritz | 100% Ben Shelton | 0% Taylor Fritz |
| Completed Match | 100% YES | 0% NO |
| Stuttgart Open: Ben Shelton vs Taylor Fritz Set 1 O/U 8.5 | 100% Over | 0% Under |
| Stuttgart Open: Ben Shelton vs Taylor Fritz Set 2 O/U 9.5 | 0% Over | 100% Under |
| Stuttgart Open: Ben Shelton vs Taylor Fritz Match O/U 21.5 | 100% Over | 0% Under |
| Stuttgart Open: Ben Shelton vs Taylor Fritz Match O/U 22.5 | 100% Over | 0% Under |
Market context
The Stuttgart Open grass-court tournament will host a second-round encounter between American players Ben Shelton and Taylor Fritz on 14 June 2026. Polymarket currently prices this contract at 100% YES, reflecting the conditional token structure where settlement hinges entirely on match completion and a decisive result. The market's mechanics on Polygon mean traders hold USDC-backed positions that resolve based on whether Shelton advances past Fritz or vice versa; any cancellation, tie, or delay beyond seven days from the scheduled date triggers a 50-50 split of the liquidity pool.
Shelton and Fritz represent a generational cohort of American male players competing for ranking points on grass, a surface where both have shown variable consistency. Historical precedent suggests that American domestic matchups at mid-tier Masters 1000 events rarely produce the upsets or withdrawals that plague higher-profile tournaments. Neither player typically withdraws from scheduled matches at this stage of the season, and grass-court tournaments in Stuttgart have maintained reliable scheduling records over the past decade. The 100% probability reflects confidence in match execution rather than a prediction of Shelton's advancement.
Traders should monitor ATP injury bulletins through early June and any late schedule adjustments announced by tournament organisers. Weather disruptions on grass courts can extend matches into subsequent days, though the seven-day resolution window provides substantial buffer. Fritz's recent form on grass surfaces and Shelton's seeding position relative to the draw will influence betting patterns closer to the settlement window's 21 June deadline.
Methodology
This page reviews Stuttgart Open: Ben Shelton vs Taylor Fritz 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 Kalshi 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
- Is this market available outside the US?
- Kalshi 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.
- 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 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.
Trade Stuttgart Open: Ben Shelton vs Taylor Fritz on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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