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 |
|---|---|
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery | 100% |
| Completed Match | 100% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set 2 Winner | 100% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set 1 Winner | 100% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set 1 O/U 8.5 | 100% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set Handicap +/-1.5 | 100% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Total Sets: O/U 2.5 | 0% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set 2 O/U 8.5 | 0% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Match O/U 21.5 | 0% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set 2 O/U 9.5 | 0% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set 1 O/U 9.5 | 0% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Match O/U 22.5 | 0% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set Handicap +/-1.5 | 0% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set 2 O/U 10.5 | 0% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Set 1 O/U 10.5 | 0% |
| Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery Match O/U 23.5 | 0% |
Market context
Market consensus: 100% chance of cincinnati open, qualification: lilli tagger vs robin montgomery. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Lilli Tagger and Robin Montgomery in the Cincinnati Open, Qualification, originally scheduled for August 12, 2026 at 10:00AM ET. Thi…
Methodology
We read Cincinnati Open, Qualification: Lilli Tagger vs Robin Montgomery 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
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
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.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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