Granby: Nicolas Arseneault vs Andres Martin

Platform comparison

Market context

Nicolas Arseneault faces Andres Martin in the opening round of the Granby Challenger on 13 July 2026, with the market pricing the Canadian’s win at 26% despite no prior head-to-head record between the pair[1]. This probability aligns with historical patterns in Challenger debut matches where unranked or lower-ranked players face established opponents; in similar 2025 Granby first-round fixtures, unseeded players holding sub-30% implied win rates advanced only 22% of the time, suggesting the crowd correctly identifies Martin’s experience edge[9].

Martin, a US player with multiple Challenger titles, recently qualified for Granby by defeating Leandro Riedi 6-2, 6-3 in qualifying, while Arseneault, ranked world No. 674, lost his last ATP Challenger match in Little Rock to Henry Searle[1][4][9]. Traders should monitor the official ATP draw confirmation and any late injury reports before the 10:00 AM ET start, as Challenger matches are frequently delayed by weather or player availability, which could trigger the 50-50 settlement clause if unresolved beyond seven days[2]. No coaching changes or key absences have been announced for either player as of 12 July.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Granby: Nicolas Arseneault vs Andres Martin. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

When do sports markets resolve?

Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.

Can I bet on individual matches?

Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.

What are live sports odds on Polymarket?

Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.

How fast do sports winnings settle?

Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.

What's the difference between match odds and outright odds?

Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.