Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Set Handicap +/-1.5 | 100% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Set 1 O/U 9.5 | 100% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Set 1 Winner | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Set 2 Winner | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Match O/U 21.5 | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Set 2 O/U 8.5 | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Match O/U 22.5 | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Set 2 O/U 9.5 | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Match O/U 23.5 | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Set 1 O/U 10.5 | 0% |
| Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti Set 2 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, cincinnati open: daniel altmaier vs lorenzo musetti stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Daniel Altmaier and Lorenzo Musetti in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will…
Methodology
We read Cincinnati Open: Daniel Altmaier vs Lorenzo Musetti from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
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.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
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