National Bank Open: Duncan Chan vs Thiago Agustin Tirante

Platform comparison

Market context

Duncan Chan’s National Bank Open match against Thiago Agustin Tirante is priced by the crowd at **0% YES**, so the market is effectively saying Chan has no realistic path to advancing. That looks extreme relative to the limited public record on Chan, who is still a low-profile Canadian prospect with almost no ATP-level match history and only scattered results across lower tiers and college tennis. His profile shows a young player born in 2005, with a modest body of professional matches and no established tour-level ranking footprint, which helps explain why a same-day opponent from the Challenger circuit would be viewed as a steep step up.[1][2][11][16]

Historically, this kind of pricing is usually best read as a sign of either a heavy mismatch, missing line-up context, or the market anticipating a non-starter rather than a competitive match. If sportsbooks have Tirante at a short price and the prediction market is still pinned at zero, that divergence would suggest the contract is reflecting both ability gap and event risk, rather than a normal head-to-head forecast. The Canadian’s profile also shows most of his hard-court exposure has come at lower levels, where he has been more successful than at anything resembling ATP main-draw standard.[3][6][9]

For traders, the main catalysts are straightforward: official draw confirmations, any change to the scheduled order of play, and whether either player withdraws before first ball. Because the market settles to 50-50 if the match is not played at all or is delayed beyond seven days, postponement risk matters as much as winner selection. The decisive watchpoint is whether the National Bank Open publishes a revised schedule or withdrawal note before the settlement window closes; absent that, the current 0% YES remains a signal of near-certain no-confidence rather than a settled view on actual on-court strength.[1][11][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 Best Prediction Markets UK, 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 Best Prediction Markets UK. 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 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.