Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
66% | 34% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
66% | 34% | 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: Daniel Merida Aguilar vs Zizou Bergs Match O/U 21.5 | 66% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Match O/U 22.5 | 54% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs | 51% |
| Completed Match | 50% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Total Sets: O/U 2.5 | 50% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Set 2 O/U 8.5 | 50% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Set 1 O/U 8.5 | 50% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Set 2 Winner | 50% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Set 2 O/U 9.5 | 50% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Set 1 O/U 9.5 | 50% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Set 2 O/U 10.5 | 50% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Set 1 O/U 10.5 | 50% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Match O/U 23.5 | 49% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Set 1 Winner | 47% |
| Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs Set Handicap +/-1.5 | 28% |
Market context
Daniel Merida Aguilar and Zizou Bergs are scheduled to meet in the Cincinnati Open, a Masters 1000 event, on 16 August 2026. The match carries a 51% crowd-implied probability favouring Merida Aguilar's advancement, reflecting near-parity in market assessment. Settlement occurs at 14:00 UTC on 23 August, allowing a seven-day window for completion; matches extending beyond this period without resolution trigger a 50-50 settlement, whilst cancellations or ties also default to even odds.
Merida Aguilar, a Spanish player ranked outside the top 100, has shown inconsistent results on hard courts, his primary surface at Cincinnati. Bergs, a Belgian ranked similarly, competes more regularly on the ATP circuit and has demonstrated steadier performances in Masters events over the past two seasons. Historical precedent suggests that when two players of comparable ranking meet at this tier, slight edges accrue to the player with more recent tournament activity and hard-court exposure. The current 51% weighting toward Merida Aguilar may reflect recent form data or head-to-head history not yet fully priced in by the broader market.
Traders should monitor ATP injury reports and practice-court updates through the week preceding the match, as late withdrawals remain common at Masters events. Weather conditions at Cincinnati's outdoor courts can shift match dynamics significantly; heat and humidity favour baseline grinders over serve-dependent players. USDC settlement mechanics on btc-prediction.bet require match completion and official ATP confirmation before payout, making tournament scheduling reliability a material consideration for position sizing.
Methodology
This page reads Cincinnati Open: Daniel Merida Aguilar vs Zizou Bergs 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
- 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.
- 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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