HSBC Championships: Harriet Dart vs Liudmila Samsonova

Platform comparison

Active sub-markets

Market context

Harriet Dart, the British number one, faces Liudmila Samsonova in the HSBC Championships scheduled for early June 2026. The 84% implied probability backing Dart reflects her home advantage, ranking position, and recent form on grass courts ahead of the Wimbledon season. Samsonova, a Russian left-hander with a powerful serve, presents a genuine threat despite the odds, having reached WTA finals and demonstrated capability against top-ranked opponents in recent seasons.

Dart's trajectory through 2025 and into 2026 provides the primary historical lens. She has consolidated her position as Britain's leading female player, with consistent performances in tier-one events and improved grass-court results. Samsonova's record against comparable opponents—particularly on faster surfaces where her serve becomes more dominant—suggests the market may be underweighting her chances. Head-to-head records between these players, if any exist from prior meetings, would clarify whether the 84% reflects genuine form disparity or home-crowd bias.

Traders should monitor injury reports and practice-court form in the week preceding the match. The HSBC Championships schedule, typically held in Birmingham, often features unpredictable weather on grass, which can favour Samsonova's aggressive baseline game or Dart's court positioning depending on conditions. Any late withdrawal or illness announcement would trigger resolution complications given the seven-day delay clause. Recent WTA rankings movements and performance in warm-up tournaments immediately before the championship will provide the sharpest catalyst for probability shifts.

Methodology

This page tracks HSBC Championships: Harriet Dart vs Liudmila Samsonova across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Trump Prediction routes every trade through to Polymarket — at 0% fees.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

Where can I trade this market with the lowest fees?

On Trump Prediction, 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.

What does it cost to trade on Trump Prediction?

Zero. Trump Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.