ATI Inc. - ATI - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
February 20, 2026	152.47	158.87	158.87	158.99	151.95	3.26M
February 19, 2026	150.54	152.84	152.84	153.75	149.64	2.56M
February 18, 2026	147.84	148.57	148.57	149.08	146.85	1.91M
February 17, 2026	143.46	146.75	146.75	146.94	143.12	2.01M
February 13, 2026	139.14	143.93	143.93	143.98	139.14	2.25M
February 12, 2026	140	139.81	139.81	144.5	137.76	2.48M
February 11, 2026	138.6	138.72	138.72	139.75	134.83	1.86M
February 10, 2026	135.9	137.04	137.04	137.74	133.73	1.97M
February 09, 2026	134.91	135.66	135.66	136.76	133.2	1.7M
February 06, 2026	130.59	133.57	133.57	135.68	130.59	2.44M
February 05, 2026	125.89	128.67	128.67	132.92	125.5	2.85M
February 04, 2026	129.05	127.5	127.5	129.28	123.31	3.5M
February 03, 2026	128	128.34	128.34	137	122.6	5.33M
February 02, 2026	119.44	121.77	121.77	121.81	119.12	2.54M
January 30, 2026	120.22	120.3	120.3	124.5	119.62	1.96M
January 29, 2026	121.7	121.72	121.72	123.11	117.19	2.71M
January 28, 2026	124.25	121.72	121.72	124.76	121.44	1.96M
January 27, 2026	123.36	124.15	124.15	125.9	122.45	886,568
January 26, 2026	123.56	123.36	123.36	124.19	121	1.2M
January 23, 2026	123.57	123.55	123.55	124.38	122.6	1.43M
January 22, 2026	125.63	123.11	123.11	126.01	122.14	1.06M
January 21, 2026	123.95	124.67	124.67	124.83	122.11	1.4M
January 20, 2026	124.04	123.28	123.28	125.92	122.03	1.66M
January 16, 2026	125.64	124.35	124.35	126.48	124	1.16M
January 15, 2026	125.52	125.39	125.39	127.11	124.79	1.34M
January 14, 2026	124.59	123.34	123.34	124.78	120.68	1.36M
January 13, 2026	124.68	124.42	124.42	125.45	123.2	1.18M
January 12, 2026	123.9	123.46	123.46	124.85	122.59	1.23M
January 09, 2026	120.5	122.3	122.3	124.92	119.5	1.1M
January 08, 2026	123	118.59	118.59	123.96	115.8	1.92M
January 07, 2026	121.91	120.84	120.84	122.5	120.25	1.33M
January 06, 2026	119.92	120.86	120.86	121.42	116.24	2.05M
January 05, 2026	120	119.9	119.9	122.57	119.6	1.34M
January 02, 2026	115.34	119.2	119.2	119.43	114.75	843,252
December 31, 2025	116.72	114.76	114.76	116.72	114.62	969,255
December 30, 2025	116.94	116.17	116.17	117.47	115.91	735,700
December 29, 2025	116.16	116.63	116.63	117.09	115.79	581,007
December 26, 2025	116.64	116.95	116.95	117.36	115	479,600
December 24, 2025	116.84	116.64	116.64	117.48	116.02	455,300
December 23, 2025	115.12	116.21	116.21	116.95	114	822,600
December 22, 2025	114.8	115.76	115.76	116.72	114	1.75M
December 19, 2025	111.27	113.28	113.28	113.57	110.86	3.28M
December 18, 2025	109.22	109.76	109.76	110.71	108.15	1.34M
December 17, 2025	108.62	107.89	107.89	110.41	107.33	1.16M
December 16, 2025	107.85	108.66	108.66	109.27	107.16	1.27M
December 15, 2025	109	108.72	108.72	110.85	107.75	1.7M
December 12, 2025	110.72	108.96	108.96	110.79	107.9	1.83M
December 11, 2025	105.63	110.65	110.65	111.22	105.01	3.03M
December 10, 2025	100.1	104.73	104.73	105.72	99.43	3.19M
December 09, 2025	99.6	99.42	99.42	101.08	98.1	1.76M
December 08, 2025	99.5	99.64	99.64	102.67	99.16	1.93M
December 05, 2025	101.26	100.41	100.41	101.26	99	906,556
December 04, 2025	98.08	100.4	100.4	100.46	97.6	1.14M
December 03, 2025	99.16	98.37	98.37	100.65	97.14	1.25M
December 02, 2025	99.92	98.66	98.66	100.03	98.22	602,438
December 01, 2025	99.51	99.14	99.14	100.18	98.23	1.11M
November 28, 2025	101.81	100.8	100.8	101.81	99.94	402,300
November 26, 2025	99.37	100.3	100.3	101.24	98.69	1.43M
November 25, 2025	97.88	99.29	99.29	99.37	95.14	1.37M
November 24, 2025	96.42	97.63	97.63	97.69	95.32	1.15M

ATI Inc. (ATI) NYSE