Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot | 100% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set 1 Winner | 100% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set 2 Winner | 100% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set 2 O/U 8.5 | 100% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set Handicap +/-1.5 | 100% |
| Completed Match | 99% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Match O/U 21.5 | 0% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set 1 O/U 9.5 | 0% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Match O/U 22.5 | 0% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set 2 O/U 9.5 | 0% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set Handicap +/-1.5 | 0% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set 1 O/U 10.5 | 0% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Match O/U 23.5 | 0% |
| Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot Set 2 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, cincinnati open: adolfo vallejo vs valentin vacherot stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Adolfo Vallejo and Valentin Vacherot in the Cincinnati Open, originally scheduled for August 15, 2026 at 10:00AM ET. This market wil…
Methodology
We track Cincinnati Open: Adolfo Vallejo vs Valentin Vacherot across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
- 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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