ATI - 15 Year Stock Price History | ATI

Historical daily share price chart and data for ATI since 2011 adjusted for splits and dividends. The latest closing stock price for ATI as of September 15, 2026 is 186.69.
  • The all-time high ATI stock closing price was 231.78 on August 17, 2026.
  • The ATI 52-week high stock price is 243.57, which is 30.5% above the current share price.
  • The ATI 52-week low stock price is 75.02, which is 59.8% below the current share price.
  • The average ATI stock price for the last 52 weeks is 147.01.
Unlock Macrotrends Premium
40 years of data
Faster, ad-free pages
Unlimited data exports
Full-width charts
ATI Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 168.8582 119.2000 231.7800 118.5900 186.6900 62.68%
2025 76.2940 55.0300 116.9500 41.9700 114.7600 108.50%
2024 55.6956 44.3000 67.7100 38.5500 55.0400 21.05%
2023 40.5144 29.5600 47.6800 29.5600 45.4700 52.28%
2022 26.6810 16.2800 33.0900 16.2800 29.8600 87.45%
2021 19.3456 15.9800 24.8000 14.0600 15.9300 -5.01%
2020 11.6138 20.6000 20.6000 5.2300 16.7700 -18.83%
2019 23.3443 22.3500 29.2600 17.2500 20.6600 -5.10%
2018 26.6752 25.6200 29.7700 21.2100 21.7700 -9.82%
2017 19.8039 16.3000 25.8400 14.8900 24.1400 51.54%
2016 14.8604 11.3047 18.9400 7.4971 15.9300 43.92%
2015 23.7136 32.9178 36.0519 10.2913 11.0686 -66.74%
2014 35.4574 33.0911 43.8112 28.0232 33.2815 -0.47%
2013 27.9221 28.9247 33.4477 23.9788 33.4383 20.17%
2012 32.0231 45.0653 46.3308 23.3208 27.8249 -35.14%
Sector Industry Market Cap Revenue
Aerospace Aerospace and Defense Equipment $25.620B $4.587B
ATI Inc. is a producer of materials and solutions for the global aerospace & defense markets and critical applications in electronics, medical and specialty energy. ATI Inc., formerly known as ALLEGHENY TECH, is based in DALLAS.
Stock Name Country Market Cap PE Ratio
Airbus SE - (EADSY) Netherlands $177.921B 25.74
Rolls-Royce Holdings (RYCEY) United Kingdom $158.134B 0.00
Bae Systems (BAESY) United Kingdom $78.446B 0.00
Transdigm Group (TDG) United States $62.155B 29.35
Rheinmetall AG (RNMBY) Germany $53.848B 0.00
Honeywell Aerospace Inc (HONA) United States $52.006B 0.00
Heico (HEI) United States $42.451B 50.54
Axon Enterprise (AXON) United States $39.821B 426.24
Rocket Lab (RKLB) United States $37.427B 0.00
Elbit Systems (ESLT) Israel $32.225B 49.58
Heico (HEI.A) United States $31.827B 37.89
Saab AB - (SAABY) Sweden $31.602B 42.17
Teledyne Technologies (TDY) United States $27.679B 24.93
Bombardier (BDRBF) Canada $21.914B 0.00
Curtiss-Wright (CW) United States $20.359B 38.31
Woodward (WWD) United States $19.170B 35.88
FTAI Aviation (FTAI) United States $18.076B 38.26
BWX Technologies (BWXT) United States $13.609B 34.78
Moog (MOG.B) United States $11.590B 31.68
Moog (MOG.A) United States $11.478B 31.38
Leonardo DRS (DRS) United States $9.584B 27.20
Kratos Defense & Security Solutions (KTOS) United States $8.932B 99.12
AeroVironment (AVAV) United States $7.796B 43.70
CAE Inc (CAE) Canada $7.785B 26.73
Hexcel (HXL) United States $6.883B 42.53
Loar Holdings (LOAR) United States $6.047B 55.64
Mercury Systems Inc (MRCY) United States $4.873B 253.22
AAR (AIR) United States $4.790B 23.83
Spirit Aerosystems Holdings (SPR) United States $4.642B 0.00
Karman Holdings (KRMN) United States $4.604B 75.52
Astronics (ATRO) United States $3.052B 31.89
Astronics (ATROB) United States $3.015B 31.51
Ducommun (DCO) United States $2.484B 41.44
Applied Aerospace & Defense (AADX) United States $2.008B 0.00
Voyager Technologies (VOYG) United States $1.927B 0.00
Park Aerospace (PKE) United States $0.668B 48.75
TAT Technologies (TATT) Israel $0.502B 28.82
Innovative Solutions And Support (ISSC) United States $0.412B 19.49
EHang Holdings (EH) China $0.339B 0.00
Innovative Solutions And Support (IA) United States $0.332B 15.74
AerSale (ASLE) United States $0.259B 0.00
Outdoor Holding (POWW) United States $0.250B 215.00
Optex Systems Holdings (OPXS) United States $0.072B 16.24
GrabAGun Digital Holdings (PEW) United States $0.065B 0.00
Astrotech (ASTC) United States $0.014B 0.00
Liberty Defense Holdings (DETX) United States $0.005B 0.00
DEFSEC Technologies (DFSC) Canada $0.003B 0.00