The highest closing price for Allegheny Technologies (ATI) all-time was $231.78, on August 17. The latest price is $198.77.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 2026 | $203.69 | $212.29 | $196.60 | $198.77 | 12,015,000 |
August 2026 | $184.88 | $243.57 | $183.54 | $204.20 | 40,654,170 |
July 2026 | $195.14 | $204.30 | $174.77 | $187.44 | 30,768,300 |
June 2026 | $172.15 | $205.31 | $170.79 | $197.10 | 41,556,171 |
May 2026 | $157.14 | $177.27 | $146.34 | $175.16 | 35,849,300 |
April 2026 | $150.30 | $166.61 | $142.35 | $155.46 | 38,525,800 |
March 2026 | $163.30 | $168.14 | $135.48 | $145.46 | 47,562,888 |
February 2026 | $119.44 | $164.26 | $119.12 | $163.59 | 49,176,582 |
January 2026 | $115.34 | $127.11 | $114.75 | $120.30 | 29,309,797 |
December 2025 | $99.51 | $117.48 | $97.14 | $114.76 | 31,427,929 |
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 |
Daily pricing data for Allegheny Technologies dates back to 5/8/1987, and may be incomplete.