Granby: Tyler Zink vs Alexis Galarneau

Platform comparison

Market context

Tyler Zink faces Alexis Galarneau tonight at the ATP Challenger in Granby, Canada, with the match scheduled for 17:00 local time. On Polymarket, the contract for Zink to advance is trading at 0% YES, implying the crowd believes he has virtually no chance of winning, despite some external projections suggesting a 66% likelihood for Zink as the projected winner [2]. This stark divergence between on-chain pricing and traditional tennis analytics highlights how conditional tokens on Polygon can sometimes lag behind or overreact to early sentiment, particularly when USDC liquidity is thin for lower-tier Challenger events.

Historically, similar 0% pricing on Polymarket for Challenger matches has often preceded late corrections when injury news or schedule changes emerge, as seen in previous Granby tournaments where underdogs advanced after opponents withdrew. However, in this specific case, the 0% price may reflect a genuine consensus on Galarneau’s superiority, supported by initial odds favouring him at 1.4 compared to Zink’s 2.68 [4]. Traders should note that if the match is cancelled or delayed beyond seven days without a winner, the market resolves to a 50-50 split, adding a unique binary risk to the position.

Key catalysts include the official start time confirmation and any pre-match injury reports, as Galarneau is the pick to win in three sets according to Tennis Tonic’s H2H analysis [4]. Traders must monitor the live score feed on Tennis365 for real-time updates, as any delay past the 7-day window triggers the 50-50 settlement, while a completed match where one player advances due to the opponent’s withdrawal will resolve based on who advances [5]. The on-chain mechanics mean that once the match begins, liquidity could shift rapidly if early sets favour Zink, potentially correcting the 0% mispricing.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Granby: Tyler Zink vs Alexis Galarneau 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

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'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.

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.