ATI INC (ATI): what the price assumes

In the published model solve dated 2026-Q2, anchored at $210.65, ATI INC (ATI) is priced for today's economics sustained for ~12.6 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-07-25.

Generated: 2026-09-07 · Exported: 2026-09-09 · Source: https://boothcheck.com/report/ATI

Headline

FieldValue
TickerATI
CompanyATI INC
Sector / IndustryBasic Materials
Current price$210.65/sh
CompositionJet-Engines - Commercial 38% / Airframes - Commercial 17% / Defense 12% / Specialty Energy 6% / Electronics 4% / Medical 3% / Automotive 5% / Conventional Energy 7% / Construction/Mining 3% / Other 4%

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

FieldValue
Inversion basiswhole-company
Operating margin (value-band context)32.7%
Operating margin today15.2%
Margin expansion (value-band)+17.5pp
Must persist for12.6y
Multiple paid43x operating income

The operating-margin figure is value-band context at year 12: derived from the framework's value band, a separate calculation — not part of the priced-in solve.

Solve inputs: computed at a 11.2% cost of capital; growth searched up to the 25% self-funding ceiling.

How unusual the bet is: n/a

ReferenceValue
vs own history+0.33σ

Valuation X-Ray

Every valuation family lands below the price. The price therefore sits beyond what those standard frames encode.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

FamilyMedian price/FVModelsReads
Asset5.58x5expensive
Earnings4.96x5expensive
Relative2.62x5expensive
Growth1.53x3expensive

Families that call it expensive: Asset, Earnings, Relative, Growth

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 9.2%); the inversion above states its own rate.

Per-Model Detail (n=18)

ModelFamilyFVPrice/FVApplicableMethodology
DCF Perpetual GrowthGrowth$68.853.06xyesFCF base $0.5B, growth 5% (input: historical growth), terminal g 4.0%, WACC 9.2%, 5yr projection
DCF Exit MultipleGrowth$155.471.35xyesExit EV/EBITDA: 26.7x / 31.7x / 36.7x (bear / base = today's held flat / bull), 5yr
Relative ValuationRelative$102.002.07xyesP/E 27.89x (blended: static sector reference 14x + trailing (TTM) 60x), scenarios: 20.9x / 27.9x / 33.5x (bear / base = reference held flat / bull), EV/EBITDA 15.12x
Simple DDMGrowthno
Two-Stage DDMGrowthno
Simple Excess ReturnAsset$37.775.58xyesBV/sh $13.78, ROE (TTM) 25.4%, ke 9.3%
Two-Stage Excess ReturnAsset$62.973.35xyes5yr excess ROE then converge to ke=9.3%
Discounted Future Market CapGrowth$137.861.53xyesRev $4.7B, growth 5% (input: historical growth; tapered), Terminal P/S: 4.5x / 6.0x / 7.2x (bear / base = today's held flat / bull, cap 6x)
Peter Lynch Fair ValueRelative$80.282.62xyesEPS $3.42, growth 23% (input: historical EPS growth), PEG=2.57 (Overvalued)
Margin TrajectoryGrowthno
Earnings Power ValueEarnings$35.036.01xyesNormalized EBIT (5y avg op income, one-time charges added back) $0.58B × (1−20%) / WACC 9.2% → EPV (no growth)
Residual IncomeAsset$55.983.76xyesBV $13.78 + 5yr PV of (ROE (TTM) 25.4% − Kₑ 9.3%) × BV; BV grows 8.8%/yr
Graham NumberAsset$32.576.47xyes√(22.5 × EPS $3.42 × BVPS $13.78) — Graham's conservative floor
EV/EBITDA RelativeRelative$55.313.81xyesEBITDA $0.89B × sector EV/EBITDA 8.0x
FCF YieldEarnings$44.724.71xyesFCF $526.3M / Kₑ 9.3% — zero-growth perpetuity
SBC-Adj FCF YieldEarnings$42.454.96xyesSBC-adj FCF $0.50B (FCF $0.53B − SBC $0.03B) capitalized at Kₑ
Ben Graham FormulaEarnings$110.351.91xyesEPS $3.42 × (8.5 + 2×15.0%) × (4.4 / 5.3%)
ROIC-Justified P/BAsset$17.8811.78xyesBV $13.78 × (ROIC 11.9% / WACC 9.2%)
P/Sales SectorRelative$51.944.06xyesRevenue $4.72B × sector P/S 1.5x
PEG Fair ValueRelative$120.411.75xyesEPS $3.42 × (PEG 1.5 × growth 23.5% (input: historical EPS growth)) → PE 35.2x
Earnings YieldEarnings$36.975.70xyesEPS $3.42 / required return 9.3% (Rf 4.3% + ERP 5.0%)
Funds From Operations MultipleRelativeno
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Solvency

FieldValue
Net debt$1.8b
Net debt / NOPAT (after-tax)3.13x
Net debt / operating income (pre-tax)2.50x
Share count CAGR (dilution)2.6%
Burning cashno

Interest expense is not separately reported in the latest filings, so interest coverage cannot be computed.

Bullet Takeaways

Bull Case

A jet engine turbine operates in an environment that would destroy most metals, and the alloys that survive it cannot simply be ordered from whoever is cheapest. They have to be certified onto a specific engine program, by a specific mill, from a specific process route. That certification is the business ATI is actually in. The company frames its position exactly that way, describing "long-term supply agreements on current and next-generation jet engines and airframes" that leave it "well-positioned with a fully qualified asset base to meet the expected multi-year demand growth from the commercial aerospace market". Nickel-based superalloys, in the filing's own description, "remain extremely strong at high temperatures and resist degradation under extreme" conditions. Nobody switches supplier casually on a part like that.

The demand behind it is contracted rather than forecast. The 10-K notes that "Boeing and Airbus continue to have multi-year backlogs of orders for both legacy models and next-generation aircraft, and there are over 30,000 jet engines with firm orders (Aero Engine News, Fourth Quarter 2025)", and that because of manufacturing cycle times, demand for these specialty materials arrives ahead of the aircraft deliveries themselves. A supplier positioned at the front of that queue sees the volume before the airframers do.

The mix has shifted decisively toward that end of the business. Commercial jet engines account for 38% of revenue, commercial airframes 17% and defense 12%. Energy, automotive, medical, electronics and construction together make up the balance, and they are now the smaller half of the company. The high-performance segment, where the aerospace concentration is heaviest, carried "approximately $3.1 billion" of backlog at the end of fiscal 2025 against roughly a billion dollars of quarterly sales.

Margins are moving in the direction the mix implies. The first quarter of 2026 produced sales of $1.15 billion, and management raised the full-year outlook, guiding its own adjusted profitability measure higher and telling investors to expect consolidated margins above twenty percent for the year. On a trailing GAAP basis the operating margin is 13.9%, which is the number the mix shift has to keep lifting.

Capital discipline is visible alongside it. The share count has come down at roughly 2.4% a year over the four years to March 2026, so the earnings improvement is landing on fewer shares. Financing is arranged and long-dated: on "June 13, 2025, the Company amended its Asset Based Lending (ABL) credit facility", extending it through June 2030 with a 600 million dollar revolver behind it. This is not a company that needs the capital markets to cooperate in order to execute the plan.

The fair objection is that a specialty-metals producer has never been a compounder, and the record supports that objection. What is different this cycle is where the volume sits: not in the commodity plate and sheet that swing with industrial demand, but in qualified positions on engine programs whose order books are already written down and whose customers cannot requalify a substitute quickly.

Bear Case

Strip the aerospace framing away and ATI is a company that melts and forms metal for a living, with all of the input exposure that implies. The filing does not dress it up: volatility in "prices exposes us to cash costs that may not be fully recovered through surcharge and index pricing mechanisms", and the raw materials in question are "nickel, hafnium, titanium sponge, cobalt, chromium, molybdenum, and scrap containing iron, nickel, titanium, chromium and molybdenum". The scale of the exposure is spelled out: "a hypothetical change of $1.00 per pound in nickel prices would result in increased costs of approximately $70 million". That is a single input, moving one dollar a pound, against a trailing operating income of 634.1 million dollars. The surcharge mechanisms recover most of it most of the time. Most of the time is doing a great deal of work in that sentence.

The cyclical machinery underneath has not been repealed either. The company states plainly that "Cyclical and event-driven downturns in the commercial aerospace industry have had, and may in the future have, an adverse effect on the prices at which" it sells. Aerospace has produced exactly such downturns, and a supplier positioned six months ahead of aircraft deliveries feels them six months early rather than six months late.

That is the setting in which the price makes its demand. At roughly 45 times company-wide operating income, today's quote requires operating profit to compound at the fastest rate the business can fund from its own cash flow, and to keep doing it for about 14 years. Among comparable fast-growers, only around 15% sustained that pace across a full decade. Fourteen straight years of it is a longer run than the record has often permitted.

Not one of the four families of valuation method reaches the price. The forward-growth methods come closest, and the quote still sits about 59% above where they land. The others land at a fraction of it.

The peer comparison is where the demand becomes concrete. ATI earns a 13.9% operating margin on a trailing basis. CRS, the closest direct comparison in specialty alloys, earns 21.3%. HWM, which sits further downstream in engineered aerospace components, earns 26.7% on $8.62 billion of revenue. The price is asking a company that currently converts fewer cents of each revenue dollar into operating profit than either of them to out-compound both, for well over a decade, in an industry where the last several cycles have not permitted it.

The order book is not corroborating the acceleration yet. High-performance backlog was "approximately $3.1 billion at December 28, 2025 and $3.3 billion at December 29, 2024", which is a step down rather than a step up, and the company expects roughly "70% of the confirmed orders on hand at December 28, 2025 for this segment will be filled during fiscal year 2026". The other segment's backlog was flat year on year at roughly 0.6 billion dollars. Order books can shrink because deliveries accelerated as easily as because orders slowed, but a price underwriting fourteen years of maximum compounding would rather see it going the other way.

Finally, the balance sheet is not idle. Net debt runs at about 2.3 times operating profit, which is unremarkable for an industrial in a good year and is precisely the wrong thing to be carrying into a bad one. The 10-K's own list of what indebtedness does includes that it may "place us at a competitive disadvantage compared to our competitors that have less indebtedness" and "limit our ability to borrow additional funds for working capital, capital expenditures, acquisitions, debt service requirements," and other purposes. Managed working capital ran at "32.5 %" of annualized sales at the end of fiscal 2025 against 30.9% a year earlier, which is cash going into inventory ahead of demand that has to arrive.

Valuation

The unusual feature of this price is not its size but its duration. At roughly 45 times company-wide operating income, the quote does not require an implausible growth rate. It requires an ordinary-for-this-company rate, held at the maximum the business can fund out of its own cash flow, for about 14 years. Rate is not the stretch here. Persistence is.

That distinction matters because the base rate on persistence is knowable. Among companies that have grown at comparable speed, roughly 15% kept it up across a full decade. Fourteen years is longer than that.

None of the four families of valuation method reach today's price, which is a cleaner verdict than most names produce. The forward-growth methods, the only family that credits future expansion, come closest and still leave the price about 59% above where they land. The peer-multiple lens, the earnings-power lens and the asset-based lens all land at a fraction of the quote. Read together, the price sits beyond what standard frames encode rather than in the space between two defensible readings.

The most generous single construction available shows why. The exit-multiple cash-flow model builds a five-year projection of cash flow and then prices the business at the end of that run on an EV/EBITDA multiple held flat at today's level in the base case, compressing in the bear scenario and expanding in the bull. So even if you grant that buyers at the far end of that projection will pay exactly what buyers pay today for a dollar of this company's EBITDA, the model still lands well under the current quote. When the assumption set that concedes the most still falls short, the gap is structural rather than a matter of calibration.

The other way to see the demand is through the margin. On a trailing basis ATI converts 13.9% of revenue into operating profit. The arithmetic behind the price points toward roughly a third of revenue eventually reaching the operating line, a level neither of its closest listed comparisons currently reaches. CRS earns a 21.3% operating margin on $3.03 billion of revenue; HWM earns 26.7% on $8.62 billion. Both are already further along the mix shift toward aerospace than ATI is, and both are being out-priced by it.

Solvency does not threaten the thesis and does not rescue it either. Net debt sits at about 2.3 times operating profit, the asset-based credit facility runs to June 2030 with a 600 million dollar revolver behind it, cash generation is positive, and the share count has fallen roughly 2.4% a year over the four years to March 2026. That is a serviceable industrial balance sheet, adequate for a cycle and not built to absorb fourteen consecutive good years failing to arrive.

What a buyer is actually underwriting, then, is a claim about the length of the aerospace build cycle rather than about ATI's competence inside it. The qualification barrier is real, the backlog is real, and the engine order book is real. The question the price puts is whether all of that runs for the better part of two decades without a pause, because that is what has to happen for the arithmetic to work from here.

Catalysts

The first quarter of 2026, reported on April 30, gave the bulls the margin datapoint and the bears the revenue one. Sales came in at $1.15 billion, and the company's own adjusted profitability measure reached just over twenty percent of sales for the quarter. Revenue landed below what the street had modelled while earnings landed above it, which is the signature of mix and pricing doing more work than volume.

Management then raised the full-year outlook, guiding its adjusted earnings measure to a range with a billion-dollar midpoint and telling investors to expect consolidated margins above twenty percent for 2026 as a whole, with second-quarter guidance stepping up from the first-quarter level. A raise this early in the year is the more informative half of that; guidance revisions travel in trends more often than in isolation.

The next scheduled event is the second-quarter release and call on August 6, 2026. Two lines matter more than the headline. The first is whether the high-performance segment's backlog turns back up after stepping down year on year, since that book is the direct read on how long the engine cycle runs. The second is nickel and titanium input costs, where the surcharge mechanisms either keep pace or quietly compress the margin the full-year guide depends on.

Peer Cohorts (Per Segment, With Filing Citations)

Core business (reported)

Methodology Note

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.

Sources

Q1 2026 results release, April 30, 2026 · ATI first quarter 2026 results release, April 30, 2026 · ATI FY2026 guidance raise, April 30, 2026 · ATI second quarter 2026 webcast announcement, 2026

View the full interactive ATI report on boothcheck