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 |
|---|---|
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set 1 O/U 8.5 | 100% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set 1 O/U 9.5 | 100% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set 1 O/U 10.5 | 100% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Match O/U 22.5 | 98% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Match O/U 21.5 | 75% |
| Completed Match | 50% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set 2 O/U 8.5 | 50% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Total Sets: O/U 2.5 | 50% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set 2 O/U 9.5 | 50% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set Handicap +/-1.5 | 50% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set 2 O/U 10.5 | 50% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Match O/U 23.5 | 49% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set Handicap +/-1.5 | 25% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set 2 Winner | 7% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys | 3% |
| Cincinnati Open: Vit Kopriva vs Quentin Halys Set 1 Winner | 0% |
Market context
Based on real-money crowd forecasting, cincinnati open: vit kopriva vs quentin halys stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Vit Kopriva and Quentin Halys in the Cincinnati Open, originally scheduled for August 14, 2026 at 11:00AM ET. This market will resol…
Methodology
This page compares Cincinnati Open: Vit Kopriva vs Quentin Halys 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
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.
- 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. Polymarket Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- 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.
Trade Cincinnati Open: Vit Kopriva vs Quentin Halys on Polymarket Alternative
Live order book, 0% fees, USDC settlement in seconds.
Open live market →