Canadian Open, Qualification: Jacob Fearnley vs Sebastian Ofner

Platform comparison

Market context

Jacob Fearnley’s qualifying meeting with Sebastian Ofner at the Canadian Open is already the kind of event where the market can move quickly on late scheduling and walkover risk. Public scoreboards had the match listed for 1 August in Montréal, with one live listing showing an 15:40 UTC start and tournament pages indicating the qualifier was in play, which matters because a started match is treated differently from a cancellation in this market’s settlement rules.[3][6][7]

The current 100% crowd price is easier to read against the actual tennis record than as a pure “certainty” signal. Fearnley had already beaten Ofner in qualifying before this exchange, with tournament reporting showing a straight-sets win, and the live match pages again paired the same players in Montréal on the hard courts.[7][9] That earlier result is relevant because qualification draws can repeat the same matchup in short order, but it does not by itself make the outcome predetermined; market prices on Polymarket are often shown as probability, while Kalshi and Betfair-style books typically expose decimal odds and Smarkets publishes a matched-book price, so a “100%” view on one venue can correspond to very different displayed prices and fee drag elsewhere.

For traders comparing platforms, the main catalysts are operational rather than statistical: official order-of-play updates, whether the match is completed before the 7-day no-winner deadline, and any injury or withdrawal news from the tournament desk. Fearnley and Ofner’s ATP-level standing is close enough that a late scrape-through, retirement, or rescheduling can matter more for settlement than pre-match form, and KYC or market access differences also shape who can take the other side on Polymarket, Kalshi, Betfair or Smarkets. The recent tournament pages and match trackers suggest the fixture was live on the day, so the key watchpoint is whether the score is fully completed before the settlement window closes rather than whether the pre-match crowd has priced in a near-certainty.[3][6][15]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Canadian Open, Qualification: Jacob Fearnley vs Sebastian Ofner specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.

FAQ

Polymarket vs Kalshi — which is better?

Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.

What does Polymarket cost vs Kalshi?

Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.

Which platform has the deepest liquidity?

Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.

Is Betfair a Polymarket alternative?

Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.

Which platform supports Klarna/SOFORT?

Directly: none. Polymarket accepts only USDC on Polygon. Robinhood Prediction Markets offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.