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 |
|---|---|
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set 1 O/U 8.5 | 100% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set 1 O/U 9.5 | 100% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set 2 O/U 8.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Match O/U 21.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set 2 Winner | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set Handicap +/-1.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Total Sets: O/U 2.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Match O/U 22.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set 2 O/U 9.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set Handicap +/-1.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set 2 O/U 10.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Match O/U 23.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Game Spread +/-2.5 | 50% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina | 0% |
| Completed Match | 0% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set 1 Winner | 0% |
| US Open, Qualification ATP: Luca Nardi vs Federico Cina Set 1 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, us open, qualification atp: luca nardi vs federico cina stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Luca Nardi and Federico Cina in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET. This market …
Methodology
This page compares US Open, Qualification ATP: Luca Nardi vs Federico Cina 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.
- 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 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.
- 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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