Granby: Aleksandar Vukic vs Nicolas Arseneault

Platform comparison

Market context

The Granby Challenger first-round match between Aleksandar Vukic and Nicolas Arseneault, originally set for 15 July 2026, now carries a 100% crowd-implied probability that Vukic advances. This near-certainty aligns with sportsbook lines pricing Vukic at 1.12–1.137 to win in two sets, while Arseneault sits at 4.65–4.8, indicating minimal perceived risk of an upset or cancellation [3][4].

Historically, such extreme divergence between prediction-market certainty and modest but not absolute sportsbook odds rarely persists without a catalyst; comparable cases in ATP Challenger events show that when one player holds a 1.13 favourite status and head-to-head data favours them decisively, the market typically corrects only if injury news or scheduling delays emerge [2][3]. Vukic’s projected 2-set win and the absence of any tie or cancellation signal in recent coverage suggest the 100% YES probability reflects genuine confidence rather than arbitrage distortion.

Traders should monitor official Granby Challenger draw updates and player wellness announcements, as any delay beyond seven days or match cancellation would reset the contract to 50-50. Tennis Tonic’s pre-match analysis confirmed Vukic as the pick with initial odds of 1.137, reinforcing the consensus that Arseneault lacks the form to challenge him in this fixture [3]. No recent news suggests disruption, but schedule dependencies remain the primary risk factor for this contract’s resolution.

Sources: 1 · 2 · 3 · 4

Methodology

This page reviews Granby: Aleksandar Vukic vs Nicolas Arseneault 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 PolyGram, 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 PolyGram. 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 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.

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.