Allegheny Technologies (ATI) went public on November 29, 1999, when it opened at a split-adjusted price of $16.78.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2025 | $99.51 | $102.67 | $97.14 | $99.42 | 8,693,876 |
November 2025 | $99.07 | $101.81 | $93.11 | $100.80 | 22,561,145 |
October 2025 | $80.33 | $103.64 | $79.29 | $98.97 | 36,026,245 |
September 2025 | $76.25 | $84.61 | $74.45 | $81.34 | 38,115,639 |
August 2025 | $75.49 | $78.96 | $70.42 | $77.54 | 42,923,853 |
July 2025 | $85.83 | $96.20 | $76.20 | $76.94 | 40,596,760 |
June 2025 | $80.06 | $87.75 | $79.36 | $86.34 | 42,470,774 |
May 2025 | $58.50 | $80.68 | $57.27 | $79.64 | 46,495,974 |
April 2025 | $51.90 | $54.80 | $39.23 | $54.38 | 43,750,099 |
March 2025 | $59.70 | $60.72 | $49.07 | $52.03 | 64,748,752 |
February 2025 | $56.24 | $66.80 | $55.14 | $58.16 | 33,805,009 |
January 2025 | $55.49 | $60.47 | $54.49 | $57.09 | 25,763,784 |
December 2024 | $60.44 | $60.85 | $53.37 | $55.04 | 31,311,245 |
November 2024 | $53.39 | $61.20 | $52.45 | $60.17 | 28,775,943 |
October 2024 | $66.57 | $67.09 | $52.62 | $52.71 | 33,349,610 |
September 2024 | $64.71 | $67.47 | $57.30 | $66.91 | 34,573,084 |
August 2024 | $67.48 | $68.22 | $56.33 | $63.88 | 22,114,299 |
July 2024 | $55.80 | $68.92 | $53.90 | $67.71 | 24,384,838 |
June 2024 | $61.54 | $61.90 | $50.38 | $55.45 | 50,198,899 |
May 2024 | $61.25 | $62.44 | $57.50 | $61.34 | 29,307,742 |
April 2024 | $51.29 | $61.58 | $47.90 | $59.70 | 26,088,619 |
March 2024 | $49.36 | $51.95 | $47.58 | $51.17 | 24,331,478 |
February 2024 | $40.01 | $49.85 | $38.04 | $49.18 | 34,737,188 |
January 2024 | $44.89 | $45.64 | $39.74 | $40.87 | 26,350,050 |
December 2023 | $43.96 | $46.57 | $39.03 | $45.47 | 31,381,141 |
