Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
56% | 44% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Match O/U 21.5 | 56% |
| Completed Match | 50% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Set 2 O/U 8.5 | 50% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Set 1 O/U 9.5 | 50% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Set 2 O/U 9.5 | 50% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Match O/U 23.5 | 50% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Set 2 O/U 10.5 | 50% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Set 1 O/U 10.5 | 50% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Set 1 Winner | 49% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Match O/U 22.5 | 47% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula | 46% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Total Sets: O/U 2.5 | 46% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Set 2 Winner | 45% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Set 1 O/U 8.5 | 38% |
| Cincinnati Open: Amanda Anisimova vs Jessica Pegula Set Handicap +/-1.5 | 33% |
Market context
Based on real-money crowd forecasting, cincinnati open: amanda anisimova vs jessica pegula stands at 56% likelihood according to current market consensus. This market refers to the tennis match between Amanda Anisimova and Jessica Pegula in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET. This market will…
Methodology
This page compares Cincinnati Open: Amanda Anisimova vs Jessica Pegula specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Polymarket Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
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