Canadian Open: Giovanni Mpetshi Perricard vs Botic van de Zandschulp

Platform comparison

Market context

Giovanni Mpetshi Perricard and Botic van de Zandschulp were still listed for an ATP Montreal match on Tuesday, with sportsbooks pricing it as a live first-round contest rather than a completed result, and one book showed an August 4, 1:20pm ET start time after earlier listings for the same pairing on August 3. That matters for the market because a 0% YES implies the contract is already behaving as though the original settlement path has been overtaken by scheduling or resolution risk rather than match-quality opinion.[1][6][7]

The way to read that near-zero probability is through comparable market behaviour on tennis fixtures that are delayed, moved, or suspended: these markets can stay at or near zero when the underlying event is no longer trading as a straightforward winner-pick, especially if the match is not played on the original date. Pre-match odds elsewhere still leaned towards either Mpetshi Perricard or van de Zandschulp by a modest margin rather than treating it as a mismatch, which suggests the crowd price is driven more by event status than by tennis fundamentals.[2][10][17]

The main catalysts now are simple: whether tournament scheduling confirms the match is being played, whether there is an official walkover or withdrawal, and whether any start-time change pushes the contest beyond the market’s settlement window. Traders should also watch live-score and bookmaker feeds for a completed result, because if the match starts but does not finish, or is cancelled before play, the resolution rule can differ sharply from a normal winner outcome.[3][6][8]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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.

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 Prediction Today trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.