Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
0% | 100% | 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
| Ilkley: Lulu Sun vs Ella McDonald Set 1 Winner | 0% Sun | 100% McDonald |
| Ilkley: Lulu Sun vs Ella McDonald | 100% Lulu Sun | 0% Ella McDonald |
| Completed Match | 100% YES | 0% NO |
| Ilkley: Lulu Sun vs Ella McDonald Match O/U 21.5 | 100% Over | 0% Under |
| Ilkley: Lulu Sun vs Ella McDonald Match O/U 22.5 | 100% Over | 0% Under |
| Ilkley: Lulu Sun vs Ella McDonald Match O/U 23.5 | 100% Over | 0% Under |
Market context
Polymarket currently prices Lulu Sun's advancement at zero, reflecting either extreme confidence in McDonald or minimal trading activity on this particular contract. The match is scheduled for the Ilkley tournament on 9 June 2026, with settlement contingent on a decisive result by 16 June. The 0% probability suggests traders either view McDonald as prohibitive favourite or that the contract lacks sufficient liquidity to establish meaningful price discovery on Polygon's conditional token infrastructure.
Sun, a New Zealand player ranked in the mid-200s, faces McDonald, a British competitor with comparable ranking status. Historical precedent from lower-tier WTA matchups shows that when both players occupy similar ranking bands, outcomes depend heavily on recent form, surface preference, and head-to-head records rather than abstract quality differentials. McDonald's home advantage at Ilkley—a grass-court event—typically favours British players accustomed to domestic conditions, though Sun's recent tournament appearances and win-loss trajectory merit examination before settlement.
Traders should monitor official WTA scheduling confirmations and any injury withdrawals in the fortnight preceding the match. Grass-court season volatility often produces upsets, particularly when unseeded players face marginal ranking advantages. The settlement window's seven-day buffer protects against weather delays common at British venues, though cancellation would trigger the 50-50 resolution clause. Recent tournament draws and qualifying results from May 2026 will clarify whether either player enters with momentum shifts that might justify repricing from the current extreme probability.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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.
- 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 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 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 Ilkley: Lulu Sun vs Ella McDonald on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
Trade on Kalshi UK →