Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Completed Match | 100% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Set 2 O/U 8.5 | 100% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Match O/U 21.5 | 100% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Set 2 O/U 9.5 | 100% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Set 1 O/U 9.5 | 100% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Match O/U 22.5 | 100% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Set 1 O/U 10.5 | 100% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Set 2 Winner | 1% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek | 0% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Set 1 Winner | 0% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Total Sets: O/U 2.5 | 0% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Set Handicap +/-1.5 | 0% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Set 2 O/U 10.5 | 0% |
| Cincinnati Open: Barbora Krejcikova vs Sara Bejlek Match O/U 23.5 | 0% |
Market context
Based on real-money crowd forecasting, cincinnati open: barbora krejcikova vs sara bejlek stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Barbora Krejcikova and Sara Bejlek in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will …
Methodology
We read Cincinnati Open: Barbora Krejcikova vs Sara Bejlek 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.
- 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.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative 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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