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
| Completed Match | 100% YES | 0% NO |
| Wimbledon, Qualification ATP: Oliver Tarvet vs Alex Bolt | 100% Oliver Tarvet | 0% Alex Bolt |
| Wimbledon, Qualification ATP: Oliver Tarvet vs Alex Bolt Set 2 O/U 8.5 | 100% Over | 0% Under |
| Wimbledon, Qualification ATP: Oliver Tarvet vs Alex Bolt Match O/U 21.5 | 100% Over | 0% Under |
| Wimbledon, Qualification ATP: Oliver Tarvet vs Alex Bolt Set 1 O/U 8.5 | 100% Over | 0% Under |
| Wimbledon, Qualification ATP: Oliver Tarvet vs Alex Bolt Total Sets: O/U 2.5 | 0% Over 2.5 | 100% Under 2.5 |
Market context
Oliver Tarvet’s Wimbledon qualifying match with Alex Bolt is the event that will determine the market, so the 100% implied price is really a view on the contest already being effectively locked in rather than on a disputed settlement path. Tarvet is a lower-ranked Brit on the rise, while Bolt is the more established tour-level name; that kind of seeding and experience gap is often where markets can lean hard one way before a ball is struck, especially on grass, where serve quality and returning pressure matter more than long baseline exchanges.[5][6]
For framing, comparable qualification markets are usually read through the same lens as other ATP qualifiers: once the draw is published and the match is scheduled, the main risks are administrative rather than sporting. Under German GlüStV rules, market access can be constrained by local gambling compliance and operator controls, even when the underlying event is the same. In the US, CFTC reach is relevant because prediction-market style contracts can fall within a regulated derivatives perimeter depending on venue and structure. “No-KYC up to $1,500” means a user may be able to participate without full identity verification only until cumulative activity reaches that threshold; after that, platform checks usually become mandatory, which affects friction more than the event itself.
The catalysts to watch are simple: official match timing, any order-of-play changes, and whether the fixture starts on grass without interruption. The market description makes settlement depend on the match advancing to a winner, with a 50-50 outcome if it is not played or drifts beyond the seven-day window, so delays and walkovers matter as much as the scoreline. Recent listings still show the match in the Wimbledon qualifying slate, which supports the view that the key variable is completion, not whether the pairing exists.[2][5][6]
Methodology
We track Wimbledon, Qualification ATP: Oliver Tarvet vs Alex Bolt 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
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 Polymarket Legal 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?
- 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.
- 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 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.
- 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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