PGA Tour: The Open Championship Winner

Platform comparison

Market context

Scottie Scheffler is the defending champion aiming to retain the Claret Jug at Royal Birkdale in July 2026, while Rory McIlroy seeks his first Open title to complete the career major slam. The prediction market currently assigns an 11% implied probability to the listed player winning, a figure that diverges meaningfully from sportsbook futures pricing. Major bookmakers like BetVictor and DraftKings list Scheffler at 4/1 or +500, translating to a 20–25% chance of victory, suggesting the prediction market contract is priced significantly tighter than the broader betting consensus [1][2][4].

Historical futures markets for Open Championships often compress early as defending champions face heightened scrutiny, yet Scheffler’s 2025 win at Royal Portrush established a strong precedent for repeat success in recent years. Comparable cases show that favourites holding the Claret Jug frequently retain odds under 5/1 through the spring, whereas prediction markets sometimes lag in adjusting to this momentum until official tee times approach. The current 11% line implies a higher barrier to entry than the 20% implied by top-tier sportsbooks, creating a notable arbitrage opportunity for cross-platform traders [2][3][5].

Traders should monitor Scheffler’s US season form and McIlroy’s European schedule ahead of the July event, as any injury or withdrawal will instantly resolve the contract to “No” per official rules. DraftKings updated odds on 11 July, confirming Scheffler at +590 and McIlroy at +750, with Jon Rahm and Tommy Fleetwood as secondary contenders [9]. Key dependencies include the final player list confirmation and any late withdrawals, which could shift value toward unlisted players resolving the market to “Other” if they secure the title [1][7].

Sources: 1 · 2 · 3 · 4 · 5

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 Best Prediction Markets UK, 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

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.