ATI Soars 10% After a Blowout Quarter, But Can Jet-Engine Demand Keep Lifting a Stock Trading at 35 Times Earnings?

Shares of ATI Inc. surged +10.4% to $182.47 on October 29 — bucking a weaker broader market — after the specialty metals maker posted third-quarter results that blew past Wall Street expectations on virtually every line.

• Sales and Profits Jumped by Double Digits, Beating Estimates Handily. Revenue hit $1.42 billion, up 26.5% year over year, beating analyst estimates by roughly $100 million. Adjusted EPS came in at $1.46, topping the consensus of $1.37.

Adjusted EBITDA surged 46% to $328 million, representing a 23.0% margin versus 20.0% a year ago. The takeaway: ATI is not just selling more metal — it is selling higher-value metal at wider profit spreads, a sign its product mix is shifting in the right direction.

• This Is the Third Guidance Raise This Year — and It Stacks. Management raised full-year adjusted EBITDA guidance by $35 million to $1.195 billion — the third increase this year — following a $125 million raise just last quarter.

Adjusted EPS guidance was lifted to $5.17–$5.23. Three consecutive upward revisions signal that management has consistently underestimated its own earnings power, which tends to attract momentum buyers and forces analysts to play catch-up with their price targets.

• Aerospace and Defense Is the Engine Driving Everything. Aerospace and defense now accounts for roughly 69% of ATI's sales year-to-date.

In Q3, defense sales grew 41% and commercial jet-engine product sales nearly doubled year over year.

ATI's backlog stands at a record $4.40 billion, heavily weighted toward aerospace. This concentration is a double-edged sword: it fuels outsized growth today but ties ATI's fate to aircraft production rates and a handful of major engine and airframe manufacturers.

• Valuation Is Getting Stretched — the Market Expects Perfection. At $182.47, ATI trades at roughly 48.6 times trailing earnings , a premium valuation for a specialty metals company. Even on the new forward EPS midpoint of ~$5.20, the stock commands about 35 times forward earnings. Analysts pressed management on margin sustainability, and executives guided for "low to mid-20%" EBITDA margins but declined to extend formal long-term guidance. At this price, investors are paying for continued flawless execution and no slowdown in jet-engine build rates — a bet that leaves little cushion if defense budgets tighten or Boeing's ramp stumbles.