ATI Inc.
ATI | NYSE
$189.16
-$2.47 (-1.29%)
At close: Sep 21, 2026, 4:00 PM ET
$188.51
-$0.65 (-0.34%)
After-hours:
Sep 21, 2026, 7:37 PM ET
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Sep 20, 2026 | $25.73B | $9.65B | +60.02% |
| Dec 25, 2025 | $16.08B | $8.94B | +125.33% |
| Dec 26, 2024 | $7.14B | $1.31B | +22.52% |
| Dec 28, 2023 | $5.82B | $1.52B | +35.28% |
| Dec 29, 2022 | $4.31B | $2.28B | +112.49% |
| Dec 30, 2021 | $2.03B | -$96.79M | -4.56% |
| Dec 30, 2020 | $2.12B | -$519.56M | -19.66% |
| Dec 26, 2019 | $2.64B | -$104.25M | -3.80% |
| Dec 27, 2018 | $2.75B | $147.01M | +5.65% |
| Dec 28, 2017 | $2.6B | $891.67M | +52.20% |
| Dec 29, 2016 | $1.71B | $501.09M | +41.51% |
| Dec 30, 2015 | $1.21B | -$2.54B | -67.83% |
| Dec 25, 2014 | $3.75B | $3.2M | +0.09% |
| Dec 26, 2013 | $3.75B | $650.95M | +21.01% |
| Dec 27, 2012 | $3.1B | -$1.93B | -38.34% |
| Dec 29, 2011 | $5.02B | -$361.79M | -6.72% |
| Dec 30, 2010 | $5.39B | $1.02B | +23.51% |
| Dec 30, 2009 | $4.36B | $2.01B | +85.30% |
| Dec 25, 2008 | $2.35B | -$6.59B | -73.70% |
| Dec 27, 2007 | $8.95B | -$131.36M | -1.45% |
| Dec 28, 2006 | $9.08B | n/a | n/a |
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