Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
100% | 0% | 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
| Completed Match | 100% YES | 0% NO |
| Lexus Eastbourne Open: Roman Andres Burruchaga vs Arthur Fery Set 2 Winner | 100% Burruchaga | 0% Fery |
| Lexus Eastbourne Open: Roman Andres Burruchaga vs Arthur Fery | 0% Roman Andres Burruchaga | 100% Arthur Fery |
| Lexus Eastbourne Open: Roman Andres Burruchaga vs Arthur Fery Set Handicap +/-1.5 | 0% Burruchaga | 100% Fery |
| Lexus Eastbourne Open: Roman Andres Burruchaga vs Arthur Fery Set Handicap +/-1.5 | 0% Fery | 100% Burruchaga |
| Lexus Eastbourne Open: Roman Andres Burruchaga vs Arthur Fery Set 1 O/U 8.5 | 0% Over | 100% Under |
Market context
The underlying real-world event is the men’s singles tennis match between Roman Andres Burruchaga and Arthur Fery at the Lexus Eastbourne Open, originally set for 6:00 AM ET on 22 June 2026 at Devonshire Park, Eastbourne. The market currently implies a 100% probability that Burruchaga will advance, suggesting the outcome is treated as virtually certain by traders. This event is part of the ATP 250 tournament running from 22–27 June 2026, with live scores and daily schedules available via ESPN and the ATP Tour [3][5].
Historically, prediction markets assigning 100% probability to a tennis outcome have rarely resolved correctly when matches were played, as cancellations, injuries, or unexpected upsets often occur. Comparable cases from past ATP events show that even heavily favoured players can fail to advance due to external factors like weather delays or player withdrawals, which would trigger a 50-50 resolution in this contract [6]. The current certainty may reflect incomplete information about match status rather than genuine on-court dominance.
Traders should monitor official ATP and WTA announcements for match confirmations, player lineups, or cancellation notices, as these directly determine settlement [1][2]. Key catalysts include daily schedule updates from the ATP Tour, which list live results and draw progressions, and any news from ESPN regarding match delays or player fitness [3][5]. With the settlement window ending 2026-06-29, any delay beyond seven days from the scheduled date without a winner would force a 50-50 outcome, making timing and official communications critical to the contract’s on-chain resolution.
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
- Is this market available outside the US?
- BTC Prediction 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 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.
- 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.
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