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
| HSBC Championships: Harriet Dart vs Liudmila Samsonova | 100% Harriet Dart | 0% Liudmila Samsonova |
| Completed Match | 100% YES | 0% NO |
| HSBC Championships: Harriet Dart vs Liudmila Samsonova Total Sets: O/U 2.5 | 100% Over 2.5 | 0% Under 2.5 |
| HSBC Championships: Harriet Dart vs Liudmila Samsonova Set 1 Winner | 0% Dart | 100% Samsonova |
| HSBC Championships: Harriet Dart vs Liudmila Samsonova Set Handicap +/-1.5 | 0% Samsonova | 100% Dart |
| HSBC Championships: Harriet Dart vs Liudmila Samsonova Set 1 O/U 9.5 | 100% Over | 0% Under |
Market context
Harriet Dart faces Liudmila Samsonova in the HSBC Championships, scheduled for 8 June 2026. The Polymarket contract currently prices Dart's advancement at 47%, reflecting meaningful uncertainty despite her home advantage at what is typically a grass-court event held in London. The conditional token structure on Polygon settles in USDC, with the market's 7-day delay clause creating a defined boundary: any postponement beyond 15 June triggers a 50-50 resolution, eliminating extended uncertainty for traders holding positions through settlement.
Dart's recent trajectory provides context for reading this probability. The British player has shown inconsistent results against top-ranked opposition, with her grass-court record mixed despite the surface suiting her game. Samsonova, conversely, has demonstrated volatility across surfaces—capable of high-level performances but prone to early exits. Historical matchups between players of their ranking differential typically favour the higher-ranked competitor, though grass courts introduce variables that compress expected outcomes. Neither player has dominated this fixture convincingly in prior meetings.
Traders should monitor injury reports and practice schedules in the week preceding 8 June, as both players' fitness status often shifts late in tournament preparation. The HSBC Championships draw announcement will confirm seeding and bracket positioning, which affects match timing and court allocation. Weather forecasts for early June in London carry weight given grass courts' sensitivity to moisture and scheduling delays. Any withdrawal announcements from either player would trigger immediate repricing toward the 50-50 resolution threshold.
Methodology
This page reviews HSBC Championships: Harriet Dart vs Liudmila Samsonova 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
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.
- 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.
- 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 HSBC Championships: Harriet Dart vs Liudmila Samsonova on Kalshi UK
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