Canadian Open, Qualification: Jacob Fearnley vs Sebastian Ofner

Platform comparison

Market context

Jacob Fearnley and Sebastian Ofner were scheduled to meet on outdoor hard court in Montréal’s Canadian Open qualifying, with the match listed on Court 5 and both players in the low- to mid-100s in the ATP rankings. For a programmatic set-up, the key input is the event state rather than the pre-match price: if the fixture is completed, the market should settle to the advancing player; if it is not played, or is left unresolved beyond the rules window, the fallback outcome matters more than any live quote.[1][5]

The market’s 100% crowd-implied “YES” is consistent with a contest that has already looked close to binary in the tape. Public scoreboards and match feeds showed the pair in qualifying, and one live result page indicated Fearnley had already taken the match 7-6, 6-2, which would normally make the settlement straightforward if that result is confirmed by the official event feed.[1][6][8] There is no meaningful head-to-head history to anchor a model, so traders usually treat this sort of market as a single-event execution problem: confirm the official result, then reconcile against the contract’s advance-or-fallback logic.[18]

For monitoring, watch the tournament draw/status pages, live scoring endpoints, and any late retirement or walkover notices, because those are the triggers that can change resolution even after a match appears on the schedule. The official National Bank Open results page and Tennis.com’s match listing both place the fixture in qualifying, while third-party live services show a completed match state; that mix is exactly where automated tooling should be conservative, requiring confirmation from at least one authoritative tournament source before assuming final settlement.[5][6][17]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Canadian Open, Qualification: Jacob Fearnley vs Sebastian Ofner across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Bot UK, which mirrors the Polymarket order book at 0% fees.

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 Polymarket Bot 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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Bot UK 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.