National Bank Open: Tereza Valentova vs Taylor Townsend

Platform comparison

Market context

Polymarket is pricing this contract at **0% YES** today, which means the market is treating Tereza Valentova advancing against Taylor Townsend as effectively not yet reflected in the order book. On Polymarket, settlement is in **USDC** on **Polygon**, with the market paying out through conditional tokens once the result is known or reverting to **50-50** if the match is cancelled, tied, or delayed beyond the stated window.

The comparison that matters here is not just ranking, but level and surface. Valentova is listed around **WTA 64** and Townsend around **WTA 105**, with both entered for Toronto on outdoor hard courts and no recorded head-to-head between them in the available match pages[1][2][4][9]. Independent preview pages lean towards Valentova, with Tennis.com showing a **65%** projected winner share for Valentova versus **35%** for Townsend, while other data feeds note Townsend’s stronger doubles pedigree and Valentova’s stronger recent singles run[2][5][11]. That split helps explain why a 0% market can still be informative: it often reflects thin liquidity or stale pricing rather than a settled sporting consensus.

For traders, the main catalysts are mundane but decisive: official order-of-play updates, any delay to the Toronto session, and whether the match actually starts on the listed day[2][9][12]. Because the market only resolves to one side if a winner is determined, and otherwise can fall back to a tie-state if the contest is not completed in time, session timing matters as much as pre-match form. Recent listings place the match in the opening round at the National Bank Open in Toronto, so any withdrawal, weather disruption, or rescheduling would be the key on-chain trigger to watch rather than late movement in player statistics[2][12].

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 Kalshi UK, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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 Kalshi UK. 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 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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.