ATI Inc. (ATI)
NYSE: ATI · Real-Time Price · USD
78.44
-1.03 (-1.30%)
At close: Sep 17, 2025, 4:00 PM EDT
80.00
+1.56 (1.99%)
After-hours: Sep 17, 2025, 7:40 PM EDT
ATI Inc. Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 17, 2025 | 79.93 | 80.51 | 77.26 | 78.44 | 78.44 | -1.30% | 1,271,224 |
| Sep 16, 2025 | 78.50 | 79.50 | 77.43 | 79.47 | 79.47 | 2.61% | 1,681,898 |
| Sep 15, 2025 | 76.26 | 77.49 | 75.62 | 77.45 | 77.45 | 1.72% | 1,452,163 |
| Sep 12, 2025 | 76.43 | 76.92 | 75.57 | 76.14 | 76.14 | 0.21% | 1,374,565 |
| Sep 11, 2025 | 76.48 | 76.68 | 75.25 | 75.98 | 75.98 | -0.54% | 1,531,623 |
| Sep 10, 2025 | 75.48 | 77.24 | 75.37 | 76.39 | 76.39 | 2.02% | 2,156,483 |
| Sep 9, 2025 | 77.52 | 77.93 | 74.45 | 74.88 | 74.88 | -3.38% | 1,424,041 |
| Sep 8, 2025 | 77.93 | 78.22 | 76.68 | 77.50 | 77.50 | -0.17% | 1,714,066 |
| Sep 5, 2025 | 77.51 | 77.93 | 75.03 | 77.63 | 77.63 | 0.61% | 1,820,818 |
| Sep 4, 2025 | 76.26 | 77.69 | 75.79 | 77.16 | 77.16 | 0.85% | 1,359,747 |
| Sep 3, 2025 | 78.39 | 79.14 | 74.58 | 76.51 | 76.51 | -2.36% | 1,736,274 |
| Sep 2, 2025 | 76.25 | 78.77 | 75.52 | 78.36 | 78.36 | 1.06% | 1,799,424 |
| Aug 29, 2025 | 78.54 | 78.96 | 76.59 | 77.54 | 77.54 | -1.19% | 2,165,534 |
| Aug 28, 2025 | 76.86 | 78.58 | 76.76 | 78.47 | 78.47 | 2.23% | 1,370,196 |
| Aug 27, 2025 | 76.40 | 77.34 | 76.26 | 76.76 | 76.76 | 0.37% | 1,837,139 |
| Aug 26, 2025 | 73.57 | 76.88 | 73.10 | 76.48 | 76.48 | 4.52% | 3,047,633 |
| Aug 25, 2025 | 73.49 | 74.44 | 73.00 | 73.17 | 73.17 | -0.73% | 1,002,557 |
| Aug 22, 2025 | 71.94 | 74.00 | 71.94 | 73.71 | 73.71 | 2.66% | 1,756,839 |
| Aug 21, 2025 | 70.93 | 72.72 | 70.85 | 71.80 | 71.80 | 0.64% | 1,058,403 |
| Aug 20, 2025 | 71.86 | 71.93 | 70.42 | 71.34 | 71.34 | -0.99% | 1,286,526 |
| Aug 19, 2025 | 72.25 | 72.78 | 71.50 | 72.05 | 72.05 | -0.70% | 2,005,327 |
| Aug 18, 2025 | 72.62 | 73.00 | 71.48 | 72.56 | 72.56 | 0.14% | 1,840,607 |
| Aug 15, 2025 | 73.77 | 73.92 | 71.81 | 72.46 | 72.46 | -2.11% | 1,936,945 |
| Aug 14, 2025 | 75.05 | 75.20 | 73.84 | 74.02 | 74.02 | -1.73% | 1,648,375 |
| Aug 13, 2025 | 76.08 | 76.59 | 72.91 | 75.32 | 75.32 | -0.21% | 2,446,728 |
| Aug 12, 2025 | 74.01 | 75.65 | 73.09 | 75.48 | 75.48 | 3.51% | 1,804,719 |
| Aug 11, 2025 | 73.09 | 73.43 | 72.19 | 72.92 | 72.92 | -0.16% | 1,986,441 |
| Aug 8, 2025 | 75.70 | 75.70 | 72.53 | 73.04 | 73.04 | -0.95% | 1,725,992 |
| Aug 7, 2025 | 74.94 | 75.41 | 72.58 | 73.74 | 73.74 | -0.98% | 1,901,102 |
| Aug 6, 2025 | 74.35 | 75.16 | 73.43 | 74.47 | 74.47 | - | 2,390,072 |
| Aug 5, 2025 | 76.58 | 77.00 | 73.77 | 74.47 | 74.47 | -1.55% | 3,036,440 |
| Aug 4, 2025 | 77.62 | 78.74 | 75.01 | 75.64 | 75.64 | -1.41% | 2,963,165 |
| Aug 1, 2025 | 75.49 | 77.05 | 74.00 | 76.72 | 76.72 | -0.29% | 3,713,113 |
| Jul 31, 2025 | 85.25 | 86.93 | 76.20 | 76.94 | 76.94 | -18.36% | 8,394,572 |
| Jul 30, 2025 | 94.42 | 95.41 | 93.92 | 94.24 | 94.24 | 0.14% | 3,268,969 |
| Jul 29, 2025 | 95.90 | 96.14 | 93.94 | 94.11 | 94.11 | -1.48% | 1,667,666 |
| Jul 28, 2025 | 96.00 | 96.20 | 94.70 | 95.52 | 95.52 | 0.56% | 1,791,637 |
| Jul 25, 2025 | 93.78 | 95.17 | 93.31 | 94.99 | 94.99 | 1.84% | 858,180 |
| Jul 24, 2025 | 94.00 | 94.81 | 92.94 | 93.27 | 93.27 | -0.87% | 1,766,608 |
| Jul 23, 2025 | 93.02 | 94.87 | 93.02 | 94.09 | 94.09 | 1.76% | 1,067,715 |
| Jul 22, 2025 | 92.33 | 92.70 | 89.62 | 92.46 | 92.46 | -0.40% | 1,736,968 |
| Jul 21, 2025 | 93.50 | 93.99 | 92.46 | 92.83 | 92.83 | -0.62% | 1,227,694 |
| Jul 18, 2025 | 92.60 | 93.75 | 92.58 | 93.41 | 93.41 | 0.91% | 1,230,176 |
| Jul 17, 2025 | 90.10 | 93.03 | 89.83 | 92.57 | 92.57 | 3.11% | 1,512,165 |
| Jul 16, 2025 | 90.27 | 90.33 | 88.59 | 89.78 | 89.78 | -0.12% | 1,294,280 |
| Jul 15, 2025 | 91.21 | 91.22 | 89.46 | 89.89 | 89.89 | -0.77% | 1,561,094 |
| Jul 14, 2025 | 89.01 | 91.74 | 89.01 | 90.59 | 90.59 | 1.43% | 2,153,924 |
| Jul 11, 2025 | 87.96 | 89.48 | 87.47 | 89.31 | 89.31 | 1.43% | 1,222,408 |
| Jul 10, 2025 | 88.31 | 88.67 | 87.04 | 88.05 | 88.05 | 0.28% | 1,161,603 |
| Jul 9, 2025 | 88.67 | 88.76 | 87.20 | 87.80 | 87.80 | -0.03% | 1,789,463 |