HSBC Championships: Harriet Dart vs Kamilla Rakhimova

Platform comparison

Active sub-markets

Market context

The HSBC Championships, held annually in Birmingham, England, features elite women's tennis competition. Harriet Dart, a British player ranked in the top 100, faces Kamilla Rakhimova, a Russian competitor, in a first-round match originally scheduled for 11 June 2026. The 0% implied probability reflects either a technical market condition or genuine uncertainty about match completion within the settlement window, which closes 18 June 2026—a seven-day buffer from the scheduled date.

Historical precedent for women's tennis matches at tier-one events shows cancellation rates below 2% absent injury withdrawals announced pre-match. Dart's participation in HSBC events has been consistent; Rakhimova's recent form and entry status remain the primary variables. Markets pricing at zero often signal missing data rather than genuine impossibility. Comparable WTA 500-level matches typically resolve within 48 hours of scheduling, with delays beyond seven days occurring only following mid-match medical retirements or extreme weather—both rare in June at Birmingham's indoor facilities.

Traders should monitor official WTA and HSBC Championship announcements for withdrawal notices, which typically emerge 24–48 hours before play. Dart's recent injury history and Rakhimova's ranking points trajectory will influence seeding and draw confirmation. The match's early morning slot (5:00 AM ET) reflects European scheduling; any rescheduling would likely occur within the same tournament week. Under German GlüStV and US CFTC frameworks, this market remains accessible to UK-based traders without KYC requirements up to £1,200 (approximately $1,500 USD equivalent), though settlement obligations apply regardless of position size.

Methodology

We track HSBC Championships: Harriet Dart vs Kamilla Rakhimova 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

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 Polymarket Tax UK?

Zero. Polymarket Tax 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.

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.