Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
| Wimbledon, Qualification ATP: Francesco Maestrelli vs Max Basing | 0% Francesco Maestrelli | 100% Max Basing |
| Completed Match | 100% YES | 0% NO |
| Wimbledon, Qualification ATP: Francesco Maestrelli vs Max Basing Set 2 O/U 8.5 | 100% Over | 0% Under |
| Wimbledon, Qualification ATP: Francesco Maestrelli vs Max Basing Set 2 O/U 9.5 | 100% Over | 0% Under |
| Wimbledon, Qualification ATP: Francesco Maestrelli vs Max Basing Set 2 O/U 10.5 | 100% Over | 0% Under |
| Wimbledon, Qualification ATP: Francesco Maestrelli vs Max Basing Set Handicap +/-1.5 | 0% Maestrelli | 100% Basing |
Market context
Francesco Maestrelli and Max Basing are scheduled to meet in Wimbledon qualifying, with the market still pricing the outcome at **0% YES** despite the match being listed for 22 June and covered on live-score and betting pages. Their head-to-head record is described as level, which leaves little historical separation to anchor a clear favourite from rivalry data alone.[1][6][8]
On form and profile, the main read-through is that Maestrelli arrives with the stronger ranking on TennisTemple, listed at **No. 124** against Basing’s **No. 330**, while both players are the same age at 23.[4] In comparable lower-visibility qualifying matches, the market often stays sticky until a confirmed start time, because pre-match liquidity on on-chain books can remain thin and prices can lag lineups, withdrawals, or late schedule changes. The current **0%** implies the contract is either mispriced against the live tennis market or reflecting stale order flow rather than a settled view of who wins.[5]
Traders should watch the official Wimbledon order of play, any walkover or delay notices, and whether the match actually starts, because a non-start can push the market towards its fallback settlement rules rather than a normal winner outcome.[2][6] For crypto-native participants, the relevant near-term mechanics are less about broader BTC or ETH direction and more about USDC availability, spread depth, and whether any sudden whale rotation tightens or loosens liquidity on the venue; in a market like this, execution quality can matter more than the headline probability.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On BTC Prediction, 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.
- 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 does it cost to trade on BTC Prediction?
- Zero. BTC Prediction 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, BTC Prediction 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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