National Bank Open: Benjamin Bonzi vs Yannick Hanfmann

Platform comparison

Market context

Polymarket is pricing this contract at **0% YES**, which means the market is currently treating Benjamin Bonzi to advance over Yannick Hanfmann as effectively not priced in on Polygon USDC conditional tokens. The match is listed for the National Bank Open in Montréal, with live listings showing Bonzi around ATP No. 101 and Hanfmann around ATP No. 45, so the on-paper ranking edge sits with Hanfmann rather than the market’s current zero bid on Bonzi.[1][4]

That 0% read is best compared with other first-round ATP match-ups where the lower-ranked player has a weak recent hard-court profile and no head-to-head history to lean on. Public stats sources show Bonzi and Hanfmann have not met before, while Bonzi’s recent form has been patchier than Hanfmann’s across the past 12 months, which helps explain why traders would demand a meaningful premium before buying Bonzi exposure.[3][5][7] In other words, the market is not just saying Hanfmann is favourite; it is implying Bonzi’s win path is remote enough that even a small staking interest has vanished.

The key catalyst is whether the scheduled Montréal start actually happens cleanly, because the contract only resolves to a named winner if one player advances, but falls back to 50-50 if the match is not played, ends level, or is delayed beyond seven days without a result. Live listings have already shifted between start times and courts, so traders should watch official order-of-play updates, weather interruptions and any redraw or retirement risk, since those are the variables that can move a small-cap tennis market more than the underlying ranking gap.[1][6][8]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track National Bank Open: Benjamin Bonzi vs Yannick Hanfmann 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

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

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.

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.