Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative) 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% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Total Sets: O/U 2.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 1 O/U 8.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 2 O/U 8.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Match O/U 21.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 2 Winner | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Game Spread +/-2.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 1 O/U 9.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Match O/U 22.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 2 O/U 9.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Match O/U 23.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 2 O/U 10.5 | 100% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova | 0% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 1 Winner | 0% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set Handicap +/-1.5 | 0% |
| Monterrey Open: Darja Vidmanova vs Nikola Bartunkova Set 1 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of monterrey open: darja vidmanova vs nikola bartunkova. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Darja Vidmanova and Nikola Bartunkova in the Monterrey Open, originally scheduled for August 27, 2026 at 6:30PM ET. This market will…
Methodology
This page compares Monterrey Open: Darja Vidmanova vs Nikola Bartunkova 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 Kalshi 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
- 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.
- 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.
- 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.
- 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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