Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
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.
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 against Alex Bolt has already begun and, according to the tournament order of play, Tarvet led the first-round qualifying meeting 4-6, 6-3, 6-4 before the next stage of play was listed.[7] That matters for the contract, because once a match starts the settlement logic is driven by who advances rather than by pre-match pricing, and the market is already sitting at a **100% YES** crowd-implied probability for Tarvet, leaving little visible room for disagreement unless the result is overturned by interruption, retirement handling, or a formal change in official completion status.[5][7]
The historical framing is that Wimbledon qualifiers often produce large short-term moves when an unseeded player strings together results against higher-ranked opposition, and Tarvet’s run already fits that pattern: he was described as beating the 29th seed Alexander Blockx in qualifying and as reaching the main draw on his debut after three strong matches.[1] By contrast, Alex Bolt’s established tour profile and experience in Grand Slam qualifying make him the more familiar name, which is the sort of profile that can keep sportsbook pricing tighter than an enthusiastic prediction-market crowd, but the available public lines and market data here do not show a clear divergence large enough to suggest a genuine consensus gap.[2][3][8]
For traders, the key catalysts are procedural rather than narrative: the official Wimbledon schedule, any updated order of play, and whether the match is resumed, completed, or recorded as a retirement or walkover under the event’s settlement rules.[7] FanDuel still lists the fixture as a live betting event for 22 June, which indicates the sportsbook side is treating it as an active match rather than a dead contest, while the settlement window extending to 29 June means any delayed completion would still need to resolve inside the one-week cutoff.[2]
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 Best Prediction Markets, 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 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'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 Best Prediction Markets?
- Zero. Best Prediction Markets 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.
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