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
| Completed Match | 100% YES | 0% NO |
| Stuttgart Open: Ben Shelton vs Marcos Giron Total Sets: O/U 2.5 | 100% Over 2.5 | 0% Under 2.5 |
| Stuttgart Open: Ben Shelton vs Marcos Giron Set 2 O/U 8.5 | 100% Over | 0% Under |
| Stuttgart Open: Ben Shelton vs Marcos Giron | 100% Ben Shelton | 0% Marcos Giron |
| Stuttgart Open: Ben Shelton vs Marcos Giron Set 1 O/U 8.5 | 100% Over | 0% Under |
| Stuttgart Open: Ben Shelton vs Marcos Giron Match O/U 21.5 | 100% Over | 0% Under |
Market context
Ben Shelton and Marcos Giron are scheduled to meet in the Stuttgart Open during the second week of June 2026. The market currently prices this contract at 100% YES on Polymarket, reflecting either near-certainty that the match will occur or minimal liquidity depth at the extremes. On Polygon, the conditional tokens representing each player's advancement trade at prices reflecting the crowd's assessment, with USDC settlement pending the match outcome or the 7-day delay threshold.
Historical precedent from ATP 250 events suggests that matches at Stuttgart rarely cancel outright; the tournament maintains strong scheduling discipline and player commitment. Comparable markets on Polymarket covering ATP events show that 100% pricing typically emerges when a match is within 48 hours of play or when liquidity is thin relative to the binary nature of the contract. Giron, ranked around 30th, faces Shelton, a rising American prospect, in what represents a competitive but not headline-dominating fixture. Neither player's injury history suggests elevated cancellation risk.
Traders should monitor ATP official announcements regarding weather disruptions or scheduling changes in the week preceding 10 June. Court availability at the Weissenhofstadion and any late withdrawals would trigger resolution mechanics. The settlement window closes 17 June at 08:00 UTC, providing a seven-day buffer beyond the scheduled date. Recent ATP communications have emphasised fixture stability post-pandemic, reducing the likelihood of the 50-50 tie resolution, though the contract's terms remain sensitive to any match abandonment before completion.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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
- 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 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.
- 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.
Trade Stuttgart Open: Ben Shelton vs Marcos Giron on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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