ATI Inc. Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 22, 2026	161.06	164.37	159.11	162.29	162.29	1.17%	1,668,975
May 21, 2026	153.00	161.43	150.82	160.41	160.41	4.35%	1,550,130
May 20, 2026	152.44	155.07	151.11	153.73	153.73	2.19%	1,629,526
May 19, 2026	149.13	151.93	146.34	150.44	150.44	0.55%	1,733,811
May 18, 2026	156.53	157.03	148.86	149.62	149.62	-2.98%	1,584,634
May 15, 2026	159.30	160.69	154.02	154.22	154.22	-5.14%	1,370,061
May 14, 2026	166.00	167.40	162.39	162.57	162.57	-1.37%	1,101,580
May 13, 2026	161.32	166.96	159.02	164.83	164.83	2.37%	1,987,345
May 12, 2026	159.93	162.40	156.80	161.01	161.01	-0.09%	1,268,848
May 11, 2026	156.00	161.44	153.03	161.16	161.16	1.75%	1,397,643
May 8, 2026	164.58	164.58	156.61	158.39	158.39	-2.63%	2,594,283
May 7, 2026	169.73	171.11	161.46	162.66	162.66	-1.47%	3,406,533
May 6, 2026	160.18	165.23	159.00	165.08	165.08	6.26%	2,704,059
May 5, 2026	156.76	157.00	153.00	155.35	155.35	0.95%	1,268,619
May 4, 2026	154.85	155.61	152.37	153.89	153.89	-0.88%	1,353,533
May 1, 2026	157.14	158.31	151.82	155.26	155.26	-0.13%	1,465,707
Apr 30, 2026	146.43	155.72	146.39	155.46	155.46	6.31%	2,241,403
Apr 29, 2026	155.00	155.05	142.35	146.23	146.23	-3.61%	2,908,728
Apr 28, 2026	152.40	154.85	149.69	151.70	151.70	-1.14%	1,233,762
Apr 27, 2026	154.80	154.99	149.51	153.45	153.45	-0.53%	1,227,446
Apr 24, 2026	153.75	155.37	149.72	154.26	154.26	0.14%	2,011,695
Apr 23, 2026	154.92	157.50	149.80	154.05	154.05	0.49%	2,729,346
Apr 22, 2026	160.96	161.39	148.04	153.30	153.30	-3.55%	2,297,049
Apr 21, 2026	164.12	166.61	157.52	158.95	158.95	-3.11%	1,798,876
Apr 20, 2026	162.89	164.70	160.00	164.06	164.06	-0.36%	1,046,930
Apr 17, 2026	160.07	165.03	160.07	164.66	164.66	5.67%	1,782,011
Apr 16, 2026	156.81	158.52	154.39	155.83	155.83	-0.64%	1,609,719
Apr 15, 2026	162.90	163.85	156.67	156.83	156.83	-3.80%	2,291,525
Apr 14, 2026	165.00	165.28	162.57	163.03	163.03	-0.46%	895,293
Apr 13, 2026	162.10	164.23	160.67	163.78	163.78	0.97%	969,016
Apr 10, 2026	159.20	162.26	158.01	162.21	162.21	1.62%	1,271,068
Apr 9, 2026	156.80	163.30	156.02	159.63	159.63	2.07%	1,879,783
Apr 8, 2026	157.52	159.46	155.24	156.39	156.39	6.19%	2,657,691
Apr 7, 2026	147.26	149.61	145.89	147.28	147.28	-0.46%	1,066,976
Apr 6, 2026	147.47	149.05	145.45	147.96	147.96	0.91%	977,611
Apr 2, 2026	147.16	152.31	146.00	146.63	146.63	-3.05%	2,211,869
Apr 1, 2026	150.30	155.41	149.90	151.25	151.25	3.98%	3,420,702
Mar 31, 2026	139.73	146.18	137.22	145.46	145.46	7.35%	2,756,509
Mar 30, 2026	142.41	142.54	135.48	135.50	135.50	-3.51%	2,015,093
Mar 27, 2026	141.90	143.50	139.94	140.43	140.43	-2.44%	1,499,782
Mar 26, 2026	146.40	147.79	142.47	143.94	143.94	-3.40%	1,840,323
Mar 25, 2026	152.00	152.12	148.46	149.00	149.00	-0.39%	2,240,511
Mar 24, 2026	145.82	151.51	144.48	149.59	149.59	2.19%	2,957,338
Mar 23, 2026	146.00	151.82	145.69	146.38	146.38	3.23%	1,645,826
Mar 20, 2026	145.79	148.07	139.83	141.80	141.80	-3.89%	3,402,215
Mar 19, 2026	144.76	149.06	141.88	147.54	147.54	-1.40%	1,705,776
Mar 18, 2026	149.02	152.00	148.70	149.64	149.64	0.54%	1,266,517
Mar 17, 2026	148.26	149.60	147.07	148.83	148.83	0.92%	1,697,711
Mar 16, 2026	144.90	148.46	144.90	147.48	147.48	3.88%	1,652,887
Mar 13, 2026	148.06	149.22	139.89	141.97	141.97	-2.83%	2,034,106