Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets 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 Best Prediction Markets UK.
Active sub-markets
| Grass Court Championships: Elise Mertens vs Nikola Bartunkova Set Handicap +/-1.5 | 0% Mertens | 100% Bartunkova |
| Grass Court Championships: Elise Mertens vs Nikola Bartunkova Set 2 O/U 9.5 | 100% Over | 0% Under |
| Grass Court Championships: Elise Mertens vs Nikola Bartunkova Set 2 O/U 10.5 | 0% Over | 100% Under |
| Grass Court Championships: Elise Mertens vs Nikola Bartunkova Set 1 O/U 8.5 | 0% Over | 100% Under |
| Grass Court Championships: Elise Mertens vs Nikola Bartunkova | 0% Elise Mertens | 100% Nikola Bartunkova |
| Completed Match | 100% YES | 0% NO |
Market context
Based on real-money crowd forecasting, grass court championships: elise mertens vs nikola bartunkova stands at 0% likelihood according to current market consensus. This market refers to the tennis match between Elise Mertens and Nikola Bartunkova in the Grass Court Championships, originally scheduled for June 17, 2026 at 5:00AM ET. This mark…
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 Best Prediction Markets 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 Best Prediction Markets 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.
- Is this market available outside the US?
- Best Prediction Markets UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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, Best Prediction Markets UK triggers a quick verification flow that finishes in minutes.
Trade Grass Court Championships: Elise Mertens vs Nikola B… on Best Prediction Markets UK
Live order book, 0% fees, USDC settlement in seconds.
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