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.
| 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. | |||
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|---|---|---|---|
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| Rocket Lab (RKLB) | United States | $37.427B | 0.00 |
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