Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket KYC UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket KYC UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket KYC UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket KYC UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket KYC UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket KYC 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 KYC UK.
Active sub-markets
| Completed Match | 100% YES | 0% NO |
| Wimbledon, Qualification ATP: Liam Broady vs August Holmgren | 0% Liam Broady | 100% August Holmgren |
| Wimbledon, Qualification ATP: Liam Broady vs August Holmgren Set 2 O/U 10.5 | 0% Over | 100% Under |
| Wimbledon, Qualification ATP: Liam Broady vs August Holmgren Set Handicap +/-1.5 | 0% Holmgren | 100% Broady |
| Wimbledon, Qualification ATP: Liam Broady vs August Holmgren Set 1 O/U 8.5 | 100% Over | 0% Under |
| Wimbledon, Qualification ATP: Liam Broady vs August Holmgren Set 2 Winner | 100% Broady | 0% Holmgren |
Market context
Liam Broady and August Holmgren are scheduled to meet in Wimbledon qualifying, with the market effectively pricing a completed advance decision rather than just live-match volatility. On the available order-of-play and sportsbook listings, the fixture is placed for 22 June and already appears close to being underway or completed, which helps explain why the crowd-implied probability sits at 100% YES: once a match is on the schedule and not flagged as abandoned, the main binary is who advances rather than whether the fixture exists at all.[6][8][9]
The more useful comparison is with other tennis settlement rules where walkovers, retirements and delays matter more than ranking gaps. Kalshi and Robinhood both state that if the match does not start, or is postponed, delayed or otherwise not conclusively finished, the market can fall back to fair value or remain open until a rescheduled finish; that means traders should watch for official Wimbledon updates, court assignments and any retirement news rather than only pre-match odds.[1][2] A recent public Wimbledon post also shows Holmgren has already been involved in a long qualifying win, which is relevant because back-to-back physical loads can matter in qualifiers, but it is not by itself a settlement trigger.[4]
For accessibility, German GlüStV rules are the key compliance filter for EU-facing users: prediction markets touching sports outcomes are typically treated far more cautiously under German gambling law, so availability can be restricted or geoblocked depending on the platform’s licensing and local controls. In the US, CFTC reach can still matter because event contracts and derivatives-style prediction products may be scrutinised even when the underlying topic is sports, and a “no-KYC up to $1,500” policy usually means the platform may allow limited deposits, trading or withdrawals without full identity verification until that threshold is reached, not that the market is anonymously open at any size.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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
- 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 KYC UK?
- Zero. Polymarket KYC UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket KYC UK triggers a quick verification flow that finishes in 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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