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 |
|---|---|
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set 1 O/U 8.5 | 100% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set 1 O/U 9.5 | 100% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set 1 O/U 10.5 | 100% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Match O/U 21.5 | 72% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set Handicap +/-1.5 | 67% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Match O/U 22.5 | 56% |
| Completed Match | 50% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set 2 O/U 8.5 | 50% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set 2 O/U 9.5 | 50% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set 2 O/U 10.5 | 50% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Game Spread +/-1.5 | 50% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Match O/U 23.5 | 42% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set 2 Winner | 36% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Total Sets: O/U 2.5 | 30% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson | 23% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set Handicap +/-1.5 | 4% |
| Monterrey Open: Ekaterina Alexandrova vs Clara Tauson Set 1 Winner | 0% |
Market context
Based on real-money crowd forecasting, monterrey open: ekaterina alexandrova vs clara tauson stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Ekaterina Alexandrova and Clara Tauson in the Monterrey Open, originally scheduled for August 26, 2026 at 12:00PM ET. This market wi…
Methodology
This page compares Monterrey Open: Ekaterina Alexandrova vs Clara Tauson 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.
- 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 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.
- 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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