If you invested $1000 in ATI Inc. (ATI) 10 years ago, it would be worth $10,151.12 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $11,314.34, while $1000 invested 1 year ago would be worth $2,199.25. This corresponds to total returns of 915.11%, 1,031.43%, 119.92%, respectively, with annualized returns of 26.08%, 62.41%, 119.92%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 21, 2026 | 184.62 | 180.69 | 180.69 | 186.14 | 179.58 | 1.36M |
| October 20, 2026 | 186.43 | 183.07 | 183.07 | 188.14 | 180.74 | 1.28M |
| October 19, 2026 | 188.84 | 189.28 | 189.28 | 190.73 | 186.69 | 1.3M |
| October 16, 2026 | 190 | 185.59 | 185.59 | 191.52 | 184.72 | 1.15M |
| October 15, 2026 | 184.98 | 189.31 | 189.31 | 190.03 | 177.01 | 1.37M |
| October 14, 2026 | 186.96 | 187.84 | 187.84 | 191.2 | 183.6 | 1.17M |
| October 13, 2026 | 187.05 | 189.81 | 189.81 | 190.16 | 185.89 | 1.43M |
| October 12, 2026 | 190.74 | 187.98 | 187.98 | 193.82 | 187.91 | 920,648 |
| October 09, 2026 | 189.62 | 191.84 | 191.84 | 194.28 | 188.33 | 817,838 |
| October 08, 2026 | 186.12 | 188.13 | 188.13 | 190.19 | 185.39 | 887,631 |
| October 07, 2026 | 190.54 | 189.19 | 189.19 | 190.92 | 184.49 | 1.31M |
| October 06, 2026 | 194.57 | 194.69 | 194.69 | 195.82 | 189.43 | 813,313 |
| October 05, 2026 | 192.32 | 193.09 | 193.09 | 196.09 | 189.25 | 1.53M |
| October 02, 2026 | 193.21 | 192.42 | 192.42 | 194.31 | 188.67 | 1.38M |
| October 01, 2026 | 187.54 | 191.14 | 191.14 | 192.3 | 185.7 | 1.28M |
| September 30, 2026 | 188.24 | 189.4 | 189.4 | 190.18 | 183.06 | 1.46M |
| September 29, 2026 | 183 | 188.95 | 188.95 | 189.79 | 182.42 | 1.7M |
| September 28, 2026 | 182.77 | 180.67 | 180.67 | 185.75 | 178.26 | 1.57M |
| September 25, 2026 | 186.67 | 185.48 | 185.48 | 186.68 | 182.32 | 1.14M |
| September 24, 2026 | 183.11 | 186.21 | 186.21 | 187.8 | 181.51 | 1.13M |
| September 23, 2026 | 185.51 | 184.18 | 184.18 | 189.98 | 183.3 | 1.34M |
| September 22, 2026 | 189.05 | 186.56 | 186.56 | 190.61 | 185.87 | 1.43M |
| September 21, 2026 | 191.82 | 189.16 | 189.16 | 193.17 | 187.25 | 1.65M |
| September 18, 2026 | 184.71 | 191.63 | 191.63 | 192.34 | 183.58 | 4.03M |
| September 17, 2026 | 197 | 183.64 | 183.64 | 197 | 179.59 | 2.24M |
| September 16, 2026 | 188.64 | 189.65 | 189.65 | 193.89 | 186.8 | 1.03M |
| September 15, 2026 | 191.37 | 186.69 | 186.69 | 192.27 | 182.63 | 1.85M |
| September 11, 2026 | 202.04 | 198.77 | 198.77 | 203.87 | 198.07 | 1.22M |
| September 10, 2026 | 202.5 | 199 | 199 | 207.63 | 196.6 | 1.32M |
| September 09, 2026 | 205.75 | 206.54 | 206.54 | 210.31 | 205.17 | 1.11M |
| September 08, 2026 | 207.57 | 207.32 | 207.32 | 209.87 | 203.16 | 1.59M |
| September 04, 2026 | 204.33 | 210.65 | 210.65 | 212.29 | 204.33 | 1.79M |
| September 03, 2026 | 203.19 | 204.54 | 204.54 | 207.57 | 200.25 | 1.6M |
| September 02, 2026 | 202.46 | 201.69 | 201.69 | 204.98 | 198.46 | 1.9M |
| September 01, 2026 | 203.69 | 200.95 | 200.95 | 205.32 | 199.78 | 1.34M |
| August 31, 2026 | 210.01 | 204.2 | 204.2 | 210.89 | 202.02 | 9.97M |
| August 28, 2026 | 214.42 | 210.76 | 210.76 | 215.94 | 209.52 | 1.12M |
| August 27, 2026 | 214.29 | 214.52 | 214.52 | 217.47 | 211.44 | 1.2M |
| August 26, 2026 | 217 | 212.86 | 212.86 | 217.84 | 211.66 | 1.28M |
| August 25, 2026 | 213.95 | 215.23 | 215.23 | 216.66 | 209.68 | 1.98M |
| August 24, 2026 | 206.92 | 209.81 | 209.81 | 210.91 | 202.25 | 1.66M |
| August 21, 2026 | 210.92 | 207.01 | 207.01 | 212.95 | 206.3 | 1.52M |
| August 20, 2026 | 213.98 | 209.22 | 209.22 | 216.36 | 207.39 | 1.25M |
| August 19, 2026 | 226.21 | 215.99 | 215.99 | 226.45 | 215.09 | 1.22M |
| August 18, 2026 | 227.75 | 226.46 | 226.46 | 230.62 | 224.35 | 1.25M |
| August 17, 2026 | 230.36 | 231.78 | 231.78 | 232.86 | 228.02 | 1.04M |
| August 14, 2026 | 226.59 | 228.48 | 228.48 | 229.34 | 224 | 1.21M |
| August 13, 2026 | 231.4 | 227.22 | 227.22 | 233.92 | 225.7 | 1.22M |
| August 12, 2026 | 238.59 | 230.43 | 230.43 | 243.57 | 229.63 | 1.33M |
| August 11, 2026 | 228.33 | 230.08 | 230.08 | 232.38 | 226 | 1.46M |
| August 10, 2026 | 231.26 | 228.19 | 228.19 | 239.23 | 227.01 | 1.37M |
| August 07, 2026 | 223.25 | 227.84 | 227.84 | 230.45 | 221.83 | 1.81M |
| August 06, 2026 | 219.99 | 223.43 | 223.43 | 236.98 | 219.99 | 3.1M |
| August 05, 2026 | 204.15 | 205.11 | 205.11 | 208.71 | 202.69 | 2.98M |
| August 04, 2026 | 198.02 | 200.15 | 200.15 | 201.39 | 194.78 | 1.46M |
| August 03, 2026 | 184.88 | 193.12 | 193.12 | 193.54 | 183.54 | 975,015 |
| July 31, 2026 | 185.43 | 187.44 | 187.44 | 190.48 | 183.22 | 1.16M |
| July 30, 2026 | 179.42 | 181.9 | 181.9 | 184.59 | 175 | 1.69M |
| July 29, 2026 | 184.73 | 177.92 | 177.92 | 188.13 | 174.77 | 2.39M |
| July 28, 2026 | 190.99 | 186.99 | 186.99 | 191.13 | 183.05 | 1.54M |