Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket 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 Polymarket UK.
Active sub-markets
| HSBC Championships, Qualification: Maddison Inglis vs Alycia Parks | 100% Maddison Inglis | 0% Alycia Parks |
| Completed Match | 100% YES | 0% NO |
| HSBC Championships, Qualification: Maddison Inglis vs Alycia Parks Set 1 Winner | 0% Inglis | 100% Parks |
| HSBC Championships, Qualification: Maddison Inglis vs Alycia Parks Set 1 O/U 8.5 | 100% Over | 0% Under |
| HSBC Championships, Qualification: Maddison Inglis vs Alycia Parks Total Sets: O/U 2.5 | 100% Over 2.5 | 0% Under 2.5 |
| HSBC Championships, Qualification: Maddison Inglis vs Alycia Parks Match O/U 21.5 | 100% Over | 0% Under |
Market context
Maddison Inglis and Alycia Parks are scheduled to meet in the opening round of HSBC Championships qualifying on 6 June 2026 at 7:40 AM ET. The market currently prices this match at 100% YES on Polymarket, reflecting conditional token mechanics where USDC settlement hinges on one player advancing. At this extreme probability, traders are pricing near-certainty that the match will occur and conclude with a decisive result rather than cancellation, delay beyond the seven-day window, or retirement mid-match.
Historical precedent suggests qualifying matches at established WTA events rarely cancel outright, though weather delays and player withdrawals do occur. Parks, ranked significantly higher than Inglis on the professional circuit, would typically be favoured in direct matchup odds, yet the market's 100% reading reflects confidence in match completion rather than a prediction on who wins. Comparable qualifying fixtures at major tournaments show completion rates above 95%, with most delays resolved within the settlement window.
Traders should monitor official WTA communications regarding the tournament schedule, particularly any weather forecasts for the week of 2–9 June and injury updates on either player. Parks' recent form and any late withdrawals from the draw would shift conditional token valuations. The settlement deadline of 13 June provides a seven-day buffer, though matches typically conclude within 48 hours of the scheduled date. Any announcement of court reassignments or session changes should be tracked on the WTA's official website.
Methodology
We track HSBC Championships, Qualification: Maddison Inglis vs Alycia Parks 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
- Where can I trade this market with the lowest fees?
- On Polymarket 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.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket 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.
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