National Bank Open: Clara Tauson vs Nikola Bartunkova

Platform comparison

Market context

Polymarket has this contract at **0% YES** right now, so the market is treating Clara Tauson’s advance as effectively unpriced even though the match is still the live settlement trigger inside the USDC-denominated, Polygon-based conditional token structure. The underlying event is a National Bank Open second-round meeting in Toronto between Clara Tauson and Nikola Bartunková, with pre-match listings showing a close contest rather than a one-sided draw: Tennis.com had Tauson at a 54% projected winner share, while other live listings priced the match much nearer to even. [1][3]

That gap matters because tennis markets often reprice sharply on the first confirmed score update, and the contract only resolves on an actual winner unless the match is not played, tied, or is delayed beyond seven days. Comparable listings around the same fixture have shown the sort of small pre-match edges that can vanish quickly once a player takes control, especially in WTA events on hard courts where set-by-set swings are common. National Bank Open’s own match page also places the encounter on its Toronto draw, which confirms the event dependency behind the token. [6][18]

The main catalysts are operational rather than theoretical: official start confirmation, any rain or scheduling delay in Toronto, and whether either player is forced into a reshuffle after the day’s order of play changes. Because this market settles against advancement, traders need to watch for match commencement, retirements, and any tournament bulletin that alters the fixture window; if play does not produce a winner within the seven-day delay rule, resolution shifts to 50-50. [4][6][15]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews National Bank Open: Clara Tauson vs Nikola Bartunkova across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Scam?, which mirrors the Polymarket order book at 0% fees.

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

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

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