National Bank Open: Janice Tjen vs Liudmila Samsonova

Platform comparison

Market context

Janice Tjen v Liudmila Samsonova is being priced at **0% YES**, which implies the market is treating Samsonova as a near-certain winner. That is consistent with the only completed head-to-head, where Samsonova beat Tjen 6-2, 6-2 on hard courts in Abu Dhabi in February 2026, and with pre-match projections that had Samsonova around 62% to win that Toronto meeting. [1][5][7]

For handicapper context, the consensus side is clearly **Samsonova**, but a 0% market can still leave a small *contrarian* angle if the number is being driven by stale assumptions rather than fresh team news. Samsonova also has the stronger tour-level track record and a career-high singles ranking of 12, while Tjen entered the Toronto match as the lower-ranked player at No. 37. [5] The value question is not whether Samsonova is favoured, but whether the market has fully priced a routine win versus any upside from Tjen’s serve performance or a tighter first set than the prior straight-sets meeting suggested. [4][5][14]

The main catalysts are match status, draw order, and any late withdrawal or delay. The market settles to 50-50 if the match is not played at all, ends level, or is delayed more than seven days without a winner, so traders should watch official tournament scheduling and any injury or retirement announcements close to court time. Live score services were still listing the pairing for the Toronto round-of-32 slot, but that only confirms the fixture existed on the slate rather than guaranteeing play. [5][11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win 2026, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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 Who Will Win 2026. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 Who Will Win 2026 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.