2026 U.S. Open: To Make the Cut

Platform comparison

Active sub-markets

Market context

The 2026 U.S. Open is the real-world event here: after two rounds at Shinnecock Hills, only the low 60 scorers and ties advance to the final 36 holes, so “make the cut” is a very binary outcome at a venue known for punishing, fast-moving scoring swings.[9][4] For this market, the crowd-implied **0% YES** reads as an extreme view rather than a settled fact, because the result depends entirely on the named player’s score relative to the cut line, not on tournament prestige or pre-event reputation.[8][9]

Historical framing matters because Shinnecock has repeatedly produced difficult cut conditions, and contemporary previews around this championship have pointed to a projected cut around three to four over par, with DataGolf estimates clustering near that range.[1][5] That kind of line means a player sitting a few shots inside or outside par can still be live, so a zero price usually reflects either the trader believing the entrant is effectively out of contention or simply thin participation in an idiosyncratic player-specific market. For accessibility, the market’s “no-KYC up to $1,500” structure typically makes entry friction low for small positions, while larger activity may trigger identity checks; German users should still consider that GlüStV can restrict or affect access to unlicensed gambling-style products, even when the platform itself is reachable, and US CFTC jurisdiction can remain relevant where a product is treated as a derivatives-style event contract.

The main catalysts are the scorecard and the official cut announcement after round two, since the market resolves on whether the player survives into the weekend under the USGA’s cut rules.[8][9] Traders also watch late tee-time weather, suspension risk, and any official rulings on withdrawals or disqualifications, because those can make it impossible for a player to make the cut and force a “No” outcome under the market rules. With settlement tied to the tournament window through 21 June 2026, the practical question is whether the player’s position is still mathematically alive when the cut line is published, not whether the event itself runs to plan.[9][3]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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

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 it cost to trade on Polymarket Legal UK?

Zero. Polymarket Legal UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.