Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
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 Sport Prediction.
Active sub-markets
| HSBC Championships: Katie Boulter vs Donna Vekic | 0% Katie Boulter | 100% Donna Vekic |
| Completed Match | 100% YES | 0% NO |
| HSBC Championships: Katie Boulter vs Donna Vekic Set 2 O/U 9.5 | 0% Over | 100% Under |
| HSBC Championships: Katie Boulter vs Donna Vekic Set 2 O/U 10.5 | 0% Over | 100% Under |
| HSBC Championships: Katie Boulter vs Donna Vekic Set 1 O/U 8.5 | 0% Over | 100% Under |
| HSBC Championships: Katie Boulter vs Donna Vekic Set Handicap +/-1.5 | 0% Boulter | 100% Vekic |
Market context
Katie Boulter and Donna Vekic are scheduled to meet in the HSBC Championships at the Aegon Championships in London on 13 June 2026. The match forms part of the grass-court season warm-up before Wimbledon, a surface where both players have shown variable form. Boulter, ranked in the top 20, has built momentum on hard courts but has struggled to maintain consistency on grass in recent seasons. Vekic, a former top-10 player, has experienced a resurgence in 2025–26 after addressing physical conditioning issues that plagued her in prior years.
The 0% implied probability suggests the market has either closed prematurely or reflects a technical issue rather than genuine uncertainty about the match outcome. Historically, grass-court encounters between similarly ranked players at this venue have settled within expected ranges once trading reopens. The settlement window extends to 20 June, allowing seven days beyond the scheduled date for completion, which covers standard rain delays common to London grass tournaments. Traders should monitor official tournament announcements regarding court allocation and weather forecasts in mid-June, as the Aegon Championships frequently experiences scheduling adjustments.
Recent form favours Boulter on faster surfaces, though Vekic's improved fitness and serve velocity present a genuine threat on grass. The absence of either player from pre-tournament warm-up events or withdrawal announcements would be the primary catalyst for market movement. ATP and WTA official communications regarding player participation typically arrive 48–72 hours before the tournament begins.
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 Sport Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- On Sport 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.
- 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, Sport Prediction triggers a quick verification flow that finishes in minutes.
Trade HSBC Championships: Katie Boulter vs Donna Vekic on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Trade on Sport Prediction →