Altair Engineering Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 12, 2025	65.20	65.40	65.14	65.35	65.35	0.08%	267,382
Aug 11, 2025	65.29	65.43	65.29	65.30	65.30	0.74%	287,308
Aug 8, 2025	64.86	65.04	64.82	64.82	64.82	-0.23%	248,642
Aug 7, 2025	65.10	65.22	64.95	64.97	64.97	0.12%	314,403
Aug 6, 2025	64.75	64.92	64.68	64.89	64.89	-0.73%	354,632
Aug 5, 2025	65.17	65.41	65.12	65.37	65.37	1.60%	300,954
Aug 4, 2025	64.27	64.38	64.21	64.34	64.34	-1.71%	353,682
Aug 1, 2025	65.59	65.67	65.44	65.46	65.46	-1.06%	361,397
Jul 31, 2025	66.19	66.41	66.13	66.16	66.16	1.36%	381,129
Jul 30, 2025	65.17	65.29	65.06	65.27	65.27	-0.06%	228,312
Jul 29, 2025	65.27	65.38	65.21	65.31	65.31	0.23%	215,804
Jul 28, 2025	64.98	65.16	64.85	65.16	65.16	0.96%	317,226
Jul 25, 2025	64.36	64.67	64.35	64.54	64.54	0.77%	257,088
Jul 24, 2025	64.20	64.27	63.96	64.05	64.05	-0.09%	248,182
Jul 23, 2025	64.26	64.26	64.08	64.11	64.11	-0.51%	225,142
Jul 22, 2025	64.39	64.54	64.34	64.44	64.44	-0.03%	238,491
Jul 21, 2025	64.46	64.56	64.42	64.46	64.46	-0.37%	233,231
Jul 18, 2025	64.63	64.72	64.51	64.70	64.70	0.59%	368,303
Jul 17, 2025	63.83	64.32	63.81	64.32	64.32	1.21%	363,211
Jul 16, 2025	63.64	63.67	63.50	63.55	63.55	-0.52%	234,376
Jul 15, 2025	63.68	63.94	63.60	63.88	63.88	1.24%	232,678
Jul 14, 2025	63.10	63.22	62.97	63.10	63.10	-0.38%	270,606
Jul 11, 2025	63.46	63.49	63.17	63.34	63.34	-0.20%	471,495
Jul 10, 2025	63.74	63.75	63.47	63.47	63.47	0.16%	165,639
Jul 9, 2025	63.51	63.59	63.28	63.37	63.37	-0.22%	235,458
Jul 8, 2025	63.65	63.72	63.28	63.51	63.51	-0.59%	523,299
Jul 7, 2025	63.51	63.98	63.51	63.89	63.89	0.80%	520,270
Jul 4, 2025	63.39	63.54	63.31	63.38	63.38	0.44%	219,963
Jul 3, 2025	62.97	63.19	62.95	63.10	63.10	0.35%	242,184
Jul 2, 2025	62.73	62.88	62.69	62.88	62.88	0.35%	291,508
Jul 1, 2025	62.75	62.99	62.61	62.66	62.66	-0.82%	383,219
Jun 30, 2025	63.15	63.31	63.09	63.18	63.01	0.67%	293,538
Jun 27, 2025	62.63	62.78	62.52	62.76	62.59	0.53%	411,291
Jun 26, 2025	62.36	62.48	62.26	62.43	62.26	-0.30%	248,562
Jun 25, 2025	62.55	62.64	62.41	62.62	62.45	0.38%	215,729
Jun 24, 2025	62.35	62.43	62.18	62.38	62.21	0.69%	452,645
Jun 23, 2025	61.54	62.06	61.49	61.95	61.78	0.90%	408,690
Jun 20, 2025	61.35	61.41	61.28	61.40	61.23	-0.15%	244,311
Jun 19, 2025	61.30	61.55	61.15	61.49	61.32	0.03%	569,112
Jun 18, 2025	61.42	61.63	61.39	61.47	61.30	0.11%	694,359
Jun 17, 2025	61.45	61.60	61.28	61.40	61.23	-0.16%	567,596
Jun 16, 2025	61.47	61.74	61.41	61.50	61.33	0.21%	511,489
Jun 13, 2025	61.45	61.54	61.01	61.37	61.20	-0.47%	729,956
Jun 12, 2025	61.65	61.74	61.55	61.66	61.49	0.08%	626,140
Jun 11, 2025	61.65	61.80	61.60	61.61	61.44	0.06%	349,510
Jun 10, 2025	61.47	61.87	61.40	61.57	61.40	0.62%	339,235
Jun 6, 2025	60.86	61.20	60.85	61.19	61.03	-0.16%	262,243
Jun 5, 2025	61.32	61.38	61.15	61.29	61.13	-0.62%	191,628
Jun 4, 2025	61.61	61.72	61.41	61.67	61.50	0.88%	237,835
Jun 3, 2025	60.79	61.13	60.78	61.13	60.97	0.81%	234,798