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 |
|---|---|
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar | 100% |
| Completed Match | 100% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Match O/U 21.5 | 100% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Set 1 Winner | 100% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Set 2 O/U 8.5 | 100% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Set 2 Winner | 100% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Set Handicap +/-1.5 | 100% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Set 2 O/U 9.5 | 100% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Set 2 O/U 10.5 | 100% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Match O/U 22.5 | 0% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Set 1 O/U 9.5 | 0% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Match O/U 23.5 | 0% |
| Cincinnati Open: Jessica Bouzas Maneiro vs Anna Bondar Set 1 O/U 10.5 | 0% |
Market context
Jessica Bouzas Maneiro and Anna Bondar are scheduled to compete in the Cincinnati Open women's singles draw on 13 August 2026. The match forms part of the WTA 1000 event held annually in Ohio, one of the tour's most competitive hard-court tournaments. Settlement occurs on 20 August 2026 at 14:00 UTC, allowing a seven-day window for completion; any match extending beyond that deadline without a determined winner triggers a 50-50 resolution.
The 100% crowd-implied probability reflects the historical rarity of cancellations or extended delays at Cincinnati rather than a certainty of either player's advancement. Major WTA events at this tier experience fixture completion rates exceeding 98%, with weather delays typically resolved within 48 hours. Comparable prediction markets on established WTA 1000 matches have shown similar consensus probabilities when scheduled matches involve no injury reports or withdrawal signals in the lead-up period. The seven-day settlement window provides substantial buffer against scheduling disruption.
Traders should monitor official WTA communications and Cincinnati Open announcements through early August for any player withdrawals, injury updates, or weather forecasts affecting the hard-court schedule. Bouzas Maneiro and Bondar's recent tournament results and ranking movements influence match-day odds but do not affect binary settlement—only match completion does. USDC settlement on btc-prediction.bet executes once the WTA publishes final results; funding rates on correlated tennis derivatives across centralised exchanges may shift if either player reports injury within 72 hours of the scheduled date.
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 — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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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