Pronóstico: National Bank Open: Liudmila Samsonova vs Barbora Krejcikova

Platform comparison

Market context

Polymarket is pricing this contract at **100% YES**, which implies the market expects Barbora Krejcikova to advance over Liudmila Samsonova rather than a disputed or delayed settlement path. On Polymarket, the position is backed by USDC on Polygon and represented through conditional tokens, so the contract outcome depends on the match result or, if the event is not completed under the market rules, the fallback 50-50 resolution.

That pricing is notably stronger than the broader tennis market context. Independent match models and bookmaker-style odds in recent listings have generally made Krejcikova the favourite, but not a lock: Tennis.com shows her as the projected winner at 68%, while Dimers and other pricing screens sit closer to the low-to-mid 60s, and several preview pages cite Samsonova’s prior head-to-head edge as a reason the matchup is competitive[1][11][4][13]. In other words, the on-chain price is implying near-certainty where comparable tennis models still leave meaningful upset risk.

For traders, the main catalysts are simple: official tournament scheduling, any walkover or injury news, and whether the match starts and finishes within the settlement window. Tennis.com listed the match for Round 2 on Court 1, but prediction markets can still be affected by last-minute withdrawals, weather delays, or a reschedule beyond seven days, which would push the market into its non-standard 50-50 outcome under the contract rules[1]. The practical read is that the contract is mostly a bet on whether Krejcikova takes the court and closes out the tie, with event mechanics mattering as much as the tennis itself.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Pronóstico: National Bank Open: Liudmila Samsonova vs Barbora Krejcikova across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.