NYSE · ATIMaterialsMaterials Manufacturing

ATI Inc. (ATI)

$178.20−1.18%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$178.19▲ 80.71% in range
Nov 3, 2025Low $94.80 · High $231.78Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

ATI closed at $178.19 on Nov 4, down 1.18%, 23.1% below its 52-week closing high. Volume of 1.1M shares was 0.62× its 20-day average (below normal).

Split-adjusted performance: -8.5% over one month, +7.9% over six months, +80.7% over one year.

In the quarter ended Sep 27, 2026, revenue was $1.42B, up 26.5% from a year earlier, with a net margin of 13.3%.

Short interest was 4.7M shares at the Oct 15 settlement (3.5% of float, 3.9 days to cover).

Market cap$24.20B135.8M shares
Revenue · quarter$1.42B+26.5% YoY
Diluted EPS$1.37+75.6% YoY
P/E · TTM43.6×P/S 4.8×
Net margin13.3%Gross 26.7%
Dividend yieldNone$0.08 last paid
52-week range94.80 – 231.78−23.1% from high
Volume1.1M0.62× 20-day avg
Volatility · 60d44.9%Annualised
Short % of float3.5%3.9 days to cover
Net cash-$1.42BCash $442.3M
Next earnings—Not scheduled
Split-adjusted performance
1W +7.8%1M −8.5%3M −20.2%6M +7.9%YTD +55.3%1Y +80.7%3Y +373.0%5Y +1092.7%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Materials Manufacturing

Percentile among 114 companies (100 = best)

6-month momentum62
Revenue growth83
Net margin80
Value (low P/E)10
Size92

Industry medians: 6-month return −0.6%, revenue growth +10.1%, net margin 6.5%, P/E 21.6×.

Short interest

Details →
Shares short4.7M−0.2% vs prior
Days to cover3.9Settled Oct 15
% of float3.5%
Short vol. 10d48.3%of daily volume

Closest peers by size in Materials Manufacturing

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
ATIATI$178.20−1.18%+7.9%+26.5%13.3%43.6$24.20B
TPRTapestry$124.14+2.58%−16.6%+8.9%18.5%16.1$24.63BCompare
AMRZAmrize$44.18+5.27%−19.6%+2.2%14.8%19.1$23.52BCompare
ENTGEntegris$142.37−6.80%−8.7%+24.6%15.7%55.4$21.75BCompare
SNASnap-on Incorporated$373.00+3.03%−3.4%−0.6%20.5%19.1$19.29BCompare
SWKStanley Black & Decker$121.23+15.88%+49.6%+0.4%8.9%29.5$18.31BCompare
BALLBall$66.96+5.92%+13.5%+23.9%−2.2%33.3$17.72BCompare
STLDSteel Dynamics$237.94−3.92%−1.6%+34.8%11.6%17.3$33.84BCompare
JHXJames Hardie Industries$29.34+7.63%+37.0%+63.9%7.1%—$17.03BCompare

Quick answers

What does ATI do?
ATI Inc supplies specialty metals to various end markets, including aerospace and defense, oil and gas, automotive, and electrical energy, among many others. The company's operating segment includes High-Performance Materials and Components and Advanced Alloys and Solutions.
What is ATI's market cap?
$24.20B, based on the Nov 4 close of $178.19.
What is ATI's P/E ratio?
43.6× trailing-twelve-month earnings of $555.60M.
Does ATI pay a dividend?
No regular cash dividend has been paid in the last year.
How much of ATI is sold short?
4.7M shares, 3.5% of float, as of Oct 15, 2026.
What sector is ATI in?
Materials, in the Materials Manufacturing industry.

About ATI

ATI Inc supplies specialty metals to various end markets, including aerospace and defense, oil and gas, automotive, and electrical energy, among many others. The company's operating segment includes High-Performance Materials and Components and Advanced Alloys and Solutions. The majority of revenue is from the High-Performance Materials segment. The High-Performance Materials segment is focused on a wide range of high-performance specialty materials, parts, and components for several the majority of end markets, including the aerospace & defense, medical, and energy markets. Geographically, it operates in the United States, China, the United Kingdom, Germany, France, Canada, and Others, the majority is from the United States.

HQ: Dallas, TX7,600 employeesListed Dec 3, 1993atimaterials.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology