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, Qualification: Alexander Shevchenko vs Christopher O'Connell Set Handicap +/-1.5 | 100% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Set 1 O/U 8.5 | 100% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Set 1 O/U 9.5 | 100% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Set 1 Winner | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Match O/U 21.5 | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Total Sets: O/U 2.5 | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Set 2 Winner | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Set 2 O/U 8.5 | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Match O/U 22.5 | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Set 2 O/U 9.5 | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Set 1 O/U 10.5 | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Match O/U 23.5 | 0% |
| Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell Set 2 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of cincinnati open, qualification: alexander shevchenko vs christopher o'connell. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Alexander Shevchenko and Christopher O'Connell in the Cincinnati Open, Qualification, originally scheduled for August 12, 2026 at 10:…
Methodology
This page compares Cincinnati Open, Qualification: Alexander Shevchenko vs Christopher O'Connell 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 Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
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.
- 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.
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Robinhood Prediction Markets 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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