Granby: Yuta Shimizu vs Jay Dylan Friend

Platform comparison

Market context

Yuta Shimizu faces Jay Dylan Friend in a Granby tournament match originally scheduled for 13 July 2026. The market currently reflects 100% implied probability for Shimizu, suggesting near-certain advancement. The settlement window extends to 20 July, allowing a seven-day buffer for rescheduling before the market defaults to a 50-50 split should the match remain unplayed or incomplete.

Shimizu's dominance in the implied odds requires context from comparable lower-tier ATP and Challenger circuit matchups. When a player trades at such extremes on a Granby-level event, the consensus typically reflects either a substantial ranking gap, recent form differential, or injury status favouring one competitor. Historical precedent shows that 100% probabilities on Challenger events rarely hold when both players are fit and competing; such pricing often emerges from withdrawal rumours, late-announced injuries, or one player's recent tournament run creating momentum asymmetry.

Traders should monitor official tournament draw confirmations and player injury updates through the ATP and Challenger circuits' official channels in the week preceding 13 July. Withdrawal announcements or late schedule changes—common on the Challenger circuit—could trigger immediate repricing. Weather delays at the Granby venue, whilst unlikely to extend beyond the seven-day window, represent a secondary consideration. The current consensus leaves minimal room for Friend value; any credible news of Shimizu's fitness concerns or Friend's recent title run would represent the primary catalyst for market movement.

Methodology

We track Granby: Yuta Shimizu vs Jay Dylan Friend 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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

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.

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.