ATI Inc. Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Dec 18, 2025	109.22	110.71	108.15	109.76	109.76	1.73%	1,335,663
Dec 17, 2025	108.62	110.41	107.33	107.89	107.89	-0.71%	1,155,550
Dec 16, 2025	107.85	109.27	107.10	108.66	108.66	-0.06%	1,416,827
Dec 15, 2025	109.00	110.85	107.75	108.72	108.72	-0.22%	1,696,619
Dec 12, 2025	110.72	110.79	107.90	108.96	108.96	-1.53%	1,834,337
Dec 11, 2025	105.63	111.22	105.01	110.65	110.65	5.65%	3,034,025
Dec 10, 2025	100.10	105.72	99.43	104.73	104.73	5.34%	3,188,811
Dec 9, 2025	99.60	101.08	98.10	99.42	99.42	-0.22%	1,756,659
Dec 8, 2025	99.50	102.67	99.16	99.64	99.64	-0.77%	1,925,948
Dec 5, 2025	101.26	101.26	99.00	100.41	100.41	0.01%	906,556
Dec 4, 2025	98.08	100.46	97.60	100.40	100.40	2.06%	1,141,727
Dec 3, 2025	99.16	100.65	97.14	98.37	98.37	-0.29%	1,248,128
Dec 2, 2025	99.92	100.03	98.22	98.66	98.66	-0.48%	602,438
Dec 1, 2025	99.51	100.18	98.23	99.14	99.14	-1.65%	1,112,431
Nov 28, 2025	101.81	101.81	99.94	100.80	100.80	0.50%	402,280
Nov 26, 2025	99.37	101.24	98.69	100.30	100.30	1.02%	1,425,200
Nov 25, 2025	97.88	99.37	95.14	99.29	99.29	1.70%	1,373,462
Nov 24, 2025	96.42	97.69	95.32	97.63	97.63	1.20%	1,150,652
Nov 21, 2025	94.80	97.16	93.11	96.47	96.47	1.76%	1,264,261
Nov 20, 2025	100.00	100.50	93.92	94.80	94.80	-3.38%	1,347,268
Nov 19, 2025	97.61	100.65	97.36	98.12	98.12	-0.06%	1,455,992
Nov 18, 2025	97.77	99.30	96.51	98.18	98.18	-0.58%	1,068,052
Nov 17, 2025	99.64	101.51	98.22	98.75	98.75	-0.62%	1,366,502
Nov 14, 2025	96.04	100.41	95.20	99.37	99.37	0.82%	1,170,327
Nov 13, 2025	100.98	101.11	97.51	98.56	98.56	-0.52%	1,085,118
Nov 12, 2025	98.09	99.80	97.40	99.08	99.08	1.19%	1,312,387
Nov 11, 2025	97.99	98.35	96.04	97.91	97.91	-0.19%	863,160
Nov 10, 2025	98.79	99.00	95.98	98.10	98.10	0.46%	948,173
Nov 7, 2025	95.06	97.72	93.87	97.65	97.65	1.50%	1,216,934
Nov 6, 2025	96.72	97.09	95.52	96.21	96.21	-0.29%	1,198,283
Nov 5, 2025	95.80	97.57	95.02	96.49	96.49	0.49%	1,171,195
Nov 4, 2025	96.07	98.29	94.97	96.02	96.02	-2.63%	1,211,361
Nov 3, 2025	99.07	99.92	97.58	98.61	98.61	-0.36%	1,530,576
Oct 31, 2025	101.51	101.51	97.74	98.97	98.97	-2.18%	1,880,381
Oct 30, 2025	103.28	103.43	100.70	101.18	101.18	-1.77%	2,261,054
Oct 29, 2025	100.00	103.61	98.13	103.00	103.00	4.54%	2,414,849
Oct 28, 2025	99.40	103.64	97.44	98.53	98.53	7.44%	3,803,058
Oct 27, 2025	91.37	91.99	90.00	91.71	91.71	2.76%	2,363,099
Oct 24, 2025	90.00	91.08	89.20	89.25	89.25	-0.34%	1,666,949
Oct 23, 2025	83.16	89.75	83.15	89.55	89.55	8.99%	2,890,444
Oct 22, 2025	84.42	84.80	81.34	82.16	82.16	-2.56%	1,194,316
Oct 21, 2025	81.47	84.46	81.47	84.32	84.32	3.57%	1,525,864
Oct 20, 2025	81.80	82.12	79.76	81.41	81.41	1.34%	927,360
Oct 17, 2025	80.26	81.02	79.29	80.33	80.33	-1.10%	1,347,271
Oct 16, 2025	83.82	83.97	80.03	81.22	81.22	-2.52%	1,098,830
Oct 15, 2025	85.87	86.32	82.51	83.32	83.32	-1.72%	1,515,088
Oct 14, 2025	81.80	84.88	80.88	84.78	84.78	2.17%	1,138,863
Oct 13, 2025	81.70	83.23	81.04	82.98	82.98	3.67%	1,048,543
Oct 10, 2025	82.27	82.70	79.72	80.04	80.04	-2.72%	1,049,063
Oct 9, 2025	84.35	84.60	82.06	82.28	82.28	-1.97%	734,633