Canadian Open: Zachary Svajda vs Denis Shapovalov

Platform comparison

Market context

The market has been leaning towards **Denis Shapovalov**, but not by a wide margin: the crowd-implied price sits at 43% for Svajda, while several pre-match models and sportsbooks have Shapovalov as a modest favourite in the mid-to-high 50s. Recent price snapshots show moneyline ranges around Shapovalov -140 to -178 and Svajda +110 to +145, which is consistent with a competitive hard-court match rather than a one-sided spot.[1][9][13][15][17]

That setup matters because the Canadian Open frame is already a familiar one for tight early-round pricing: Shapovalov, as the higher-profile Canadian, typically attracts home-crowd and local-market support, yet the numbers still imply only a moderate edge rather than a dominant position. Comparable books have also priced the total games around 22.5, reinforcing the expectation of a match that could stay close if Svajda holds serve and forces longer sets.[1][5][14]

For traders, the key catalysts are operational rather than narrative-driven: whether the match actually goes ahead, whether the schedule shifts within the tournament order, and whether there is any interruption that pushes the result into the market’s 50-50 settlement rules. The listed match time was 3 August at 10:00 local time, and the market remains sensitive to confirmation of the draw, court assignment, and any walkover or retirement language from tournament organisers or live score providers.[3][11][12]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Canadian Open: Zachary Svajda vs Denis Shapovalov 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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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.

Do I need to KYC for this market?

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

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.