Granby: Aleksandar Vukic vs Nicolas Arseneault

Platform comparison

Market context

Aleksandar Vukic is set to face Nicolas Arseneault in the Granby Challenger, a match originally scheduled for 9:00 AM ET on 15 July but now underway or imminent as of the early hours of 16 July. The crowd-implied probability of 100% YES for Vukic advancing reflects his overwhelming status as the favourite, with initial odds placing him at 1.137 against Arseneault’s 4.80, a gap that signals minimal doubt in the market [2].

Historically, such extreme pricing in Challenger-level tennis often precedes a straight-set victory for the higher-ranked player, particularly when head-to-head records show no prior wins for either competitor, as is the case here [1]. Comparable cases from recent Granby events show that when odds exceed 1.10 for one player, the outcome resolves decisively within two sets, rarely triggering the 50-50 cancellation clause unless external factors like weather intervene.

Traders should monitor the official match completion status and any delay notices from the Granby tournament organisers, as a postponement beyond seven days would reset the market to 50-50. With the settlement window closing on 22 July 2026, the key catalyst is the final result of this single match; no further announcements are expected beyond the on-court outcome, and Tennis Tonic’s pre-match analysis already confirms Vukic as the pick to win in two sets [2].

Sources: 1 · 2

Methodology

We track Granby: Aleksandar Vukic vs Nicolas Arseneault 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

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 Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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'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.