2026 U.S. Open: To Make the Cut

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Market context

The 2026 U.S. Open at Shinnecock Hills is a grueling 72-hole stroke-play event where the field is reduced to the low 60 scores after 36 holes, with the cut line currently hovering around four-over par. This week’s tournament, running from June 18 to 21, tests players on a par-70 course stretched to 7,440 yards, a layout that has historically eliminated top contenders who struggle with its length and wind. The 0% implied probability for making the cut reflects a consensus that the listed player is either not entered, has already missed the cut, or is positioned so far outside the projected line that survival is mathematically impossible under current rules.

Historically, Shinnecock Hills has produced brutal cut lines, with past Opens seeing players like Bryson DeChambeau and Jon Rahm miss the cut despite strong form, as the course demands precision over power. In 2018, the cut line was +4, and 72 players made it, mirroring this year’s projection where only 72 players are currently inside the line at +4. The consensus view is that the player is an underdog with no value spot, as the probability of making the cut is negligible given the live cut line of four-over and the player’s likely standing. Contrarian angles might exist if the player is a late entrant with a hidden advantage, but such scenarios are rare and unsupported by recent data.

Traders should monitor official announcements regarding the player’s entry status and any schedule changes that could affect their participation, as missing the entry window would automatically resolve the market to "No". Recent coverage from Sporting News confirms the live cut line at four-over, with 72 players above it, and highlights that DeChambeau is on the outside looking in for the third consecutive major, underscoring the difficulty of the course. Dependencies include weather conditions that could shift the cut line lower, but even a drop to +2 would likely not rescue a player already positioned far outside the line. The value spot, if any, lies in betting "No" with confidence, as the implied probability of 0% aligns with the real-world impossibility of the player making the cut under current tournament rules.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

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

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.

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FAQ

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On Who Will Win, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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Who Will Win is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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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.