Granby: Liam Draxl vs James Kent Trotter

Platform comparison

Market context

Liam Draxl has already secured victory against James Kent Trotter in the Granby Challenger, resolving the underlying match that was originally scheduled for 14 July 2026. The 100% YES probability on the market now reflects this completed outcome, as Draxl advanced in the 1/16 final on hard court, confirming the market’s resolution to “Liam Draxl” with certainty.

Historically, prediction markets tied to completed tennis matches that resolve before the settlement window close show immediate convergence to 100% once the result is official, with no further volatility. Comparable cases from ATP Challenger events in 2024 and 2025 demonstrate that once a match is confirmed as played and a winner declared, markets settle instantly without delay, even if the formal settlement window extends months ahead.

Traders should monitor the official ATP Granby results page for any post-match administrative changes, though such reversals are exceptionally rare in professional tennis. No further catalysts are expected, as the match outcome is final and the settlement date of 21 July 2026 serves only as a procedural endpoint. With the result confirmed, the market offers no trading opportunity beyond confirming the inevitable payout.

Sources: 1 · 2 · 3

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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.

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.

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.