Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 1 Winner | 100% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 1 O/U 8.5 | 100% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 1 O/U 9.5 | 100% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova | 72% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Match O/U 21.5 | 60% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 2 O/U 8.5 | 52% |
| Completed Match | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 2 Winner | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Match O/U 22.5 | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 2 O/U 9.5 | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 2 O/U 10.5 | 50% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Match O/U 23.5 | 48% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Total Sets: O/U 2.5 | 47% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set Handicap +/-1.5 | 1% |
| Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova Set 1 O/U 10.5 | 1% |
Market context
Liudmila Samsonova and Marie Bouzkova face off in the Wimbledon WTA Round of 32, a match originally set for 6:00 AM ET on 3 July 2026, with the market currently implying a 40% chance Samsonova advances. This contest resolves to Samsonova if she wins, to Bouzkova if she prevails, and to a 50-50 fair price if the match is cancelled, tied, or delayed beyond seven days without a winner.
Historical head-to-head data shows Samsonova leads 3-2 overall, yet Bouzkova holds a 1-0 winning record specifically on grass, a surface nuance that often skews crowd-implied probabilities in favour of the underdog despite the overall deficit [3]. Comparable Wimbledon encounters reveal that players with superior grass records frequently overcome overall H2H disadvantages, suggesting the current 40% valuation for Samsonova may be slightly inflated if Bouzkova’s surface advantage is fully priced in by traditional bookmakers like Betfair, whereas prediction markets like Kalshi and Polymarket diverge by offering decimal odds versus implied probability and differing fee structures that can alter the effective edge for traders [1].
Traders should monitor official WTA injury reports and any weather-related schedule adjustments, as a pre-match withdrawal would resolve the market to a fair price rather than a definitive winner [1]. Recent analysis from TennisTonic highlights Bouzkova’s grass form as a critical catalyst, noting her ability to disrupt Samsonova’s aggressive serve on this surface [3]. While Kalshi requires KYC and offers regulatory certainty, platforms like Smarkets and Polymarket provide lower fees and broader global access, creating distinct arbitrage opportunities where implied probabilities diverge from decimal odds across these competing venues.
Methodology
This page compares Wimbledon WTA: Liudmila Samsonova vs Marie Bouzkova 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 UK, 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. Kalshi Alternative UK 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. Kalshi Alternative UK 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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