Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set 1 Winner | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Total Sets: O/U 2.5 | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set 2 O/U 8.5 | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set 1 O/U 8.5 | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Match O/U 21.5 | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set 2 O/U 9.5 | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Match O/U 22.5 | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Match O/U 23.5 | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set 2 O/U 10.5 | 100% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng | 0% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set 2 Winner | 0% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set Handicap +/-1.5 | 0% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set 1 O/U 9.5 | 0% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set Handicap +/-1.5 | 0% |
| Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng Set 1 O/U 10.5 | 0% |
Market context
Trevor Svajda and Michael Zheng are scheduled to compete in the Cincinnati Open qualifying round on 12 August 2026 at 1:00 PM ET. The match determines who advances from the preliminary stage of this ATP Masters 1000 event. Settlement occurs on 19 August 2026 at 17:00:52 UTC, allowing a seven-day window for completion; any cancellation, tie, or delay beyond that threshold triggers a 50-50 split resolution.
The 0% crowd probability reflects genuine uncertainty about match execution rather than a settled view on either player's capability. Cincinnati qualifying matches historically proceed as scheduled absent injury or withdrawal, though weather delays at outdoor hard courts in August are not uncommon. Comparable ATP qualifying fixtures show completion rates above 95% when both players are confirmed entries, with most non-completions arising from pre-match withdrawals rather than mid-match abandonment. The current probability assignment suggests market participants are pricing in material doubt about whether the match occurs at all, or are awaiting confirmation of player participation.
Traders should monitor ATP official draw confirmations and injury reports through the week of 5 August. Recent ATP communications (via ATP.com and the Cincinnati Masters official channels) typically confirm qualifying lineups 48 to 72 hours before play begins. Weather forecasts for Cincinnati in mid-August will become actionable by 10 August. Any announcement of player withdrawal, illness, or scheduling conflict would shift the resolution path toward the tie-break clause. The USDC settlement mechanism on btc-prediction.bet will execute once the ATP publishes official results; delays in ATP reporting could extend settlement beyond the nominal window.
Methodology
This page reads Cincinnati Open, Qualification: Trevor Svajda vs Michael Zheng on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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