Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Legal UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Legal UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Legal UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Legal UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Legal UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Legal 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 Legal UK.
Active sub-markets
| Lexus Eastbourne Open, Qualification: Matteo Arnaldi vs Alastair Gray | 100% Matteo Arnaldi | 0% Alastair Gray |
| Completed Match | 100% YES | 0% NO |
| Lexus Eastbourne Open, Qualification: Matteo Arnaldi vs Alastair Gray Total Sets: O/U 2.5 | 0% Over 2.5 | 100% Under 2.5 |
| Lexus Eastbourne Open, Qualification: Matteo Arnaldi vs Alastair Gray Set 1 O/U 8.5 | 100% Over | 0% Under |
| Lexus Eastbourne Open, Qualification: Matteo Arnaldi vs Alastair Gray Set 2 O/U 8.5 | 100% Over | 0% Under |
| Lexus Eastbourne Open, Qualification: Matteo Arnaldi vs Alastair Gray Set 1 O/U 9.5 | 100% Over | 0% Under |
Market context
The qualifying match between Matteo Arnaldi and Alastair Gray at Eastbourne is the underlying event, and the market’s 100% YES crowd price implies the fixture is being treated as effectively certain to produce the named outcome rather than a cancellation or ambiguity. The ATP live scores page lists the meeting in the Lexus Eastbourne Open qualifying draw, while bookmaker-style odds sources show Arnaldi as the clear favourite, with one comparison site pricing him around 1.53 before play. [4][2]
For context, tennis markets like this usually price the most likely *on-court* winner, but the settlement mechanics matter as much as form: if the match is not played, is delayed beyond the settlement window, or ends without a winner, the instrument can still resolve 50-50 rather than to either player. That makes walkover risk, rain delays on the Devon coast, and any last-minute withdrawal more relevant than in a standard outright bet. The ATP page and match listings indicate the fixture was scheduled in the qualifying session, so any change to the order of play or court assignment is the main operational catalyst to watch. [4][7]
From a regulatory and access perspective, German GlüStV rules are relevant because they shape whether a user in Germany can legally access or use a prediction market tied to a sporting outcome; separately, US CFTC reach is relevant because event contracts can fall within US derivatives oversight depending on structure and venue. “No-KYC up to $1,500” means a user may be able to open or use the market with limited identity checks until cumulative activity reaches that threshold, but it does not remove geo-restrictions, sanctions screening, or settlement rules for this specific Eastbourne market.
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 Polymarket Legal 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
- Is this market available outside the US?
- Polymarket Legal 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.
- What does it cost to trade on Polymarket Legal UK?
- Zero. Polymarket Legal 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 Lexus Eastbourne Open, Qualification: Matteo Arnaldi… on Polymarket Legal UK
Live order book, 0% fees, USDC settlement in seconds.
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