Altair Engineering Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 7, 2025	21.49	21.49	21.49	21.49	21.49	1.08%	-
Aug 6, 2025	21.26	21.26	21.26	21.26	21.26	1.92%	-
Aug 5, 2025	20.71	20.86	20.71	20.86	20.86	0.24%	1,638
Aug 4, 2025	20.74	20.91	20.74	20.81	20.81	0.63%	2,378
Aug 1, 2025	21.00	21.00	20.68	20.68	20.68	-	7,915
Jul 31, 2025	20.82	20.83	20.45	20.68	20.68	1.12%	37,580
Jul 30, 2025	20.63	20.63	20.44	20.45	20.45	-1.06%	1,096
Jul 29, 2025	20.51	20.67	20.51	20.67	20.67	0.29%	731
Jul 28, 2025	20.61	20.61	20.61	20.61	20.61	-1.34%	1,781
Jul 25, 2025	21.03	21.09	20.89	20.89	20.89	-0.57%	3,615
Jul 24, 2025	21.14	21.15	21.01	21.01	21.01	-0.47%	36,700
Jul 23, 2025	20.95	21.11	20.95	21.11	21.11	0.33%	6,101
Jul 22, 2025	20.87	21.04	20.87	21.04	21.04	-0.14%	1,536
Jul 21, 2025	20.74	21.07	20.64	21.07	21.07	-0.24%	17,521
Jul 18, 2025	21.41	21.41	21.12	21.12	21.12	-1.03%	56,653
Jul 17, 2025	21.34	21.34	21.34	21.34	21.34	1.14%	-
Jul 16, 2025	21.19	21.19	21.09	21.10	21.10	-0.09%	1,694
Jul 15, 2025	21.09	21.25	21.09	21.12	21.12	-0.05%	5,788
Jul 14, 2025	21.20	21.24	21.13	21.13	21.13	-0.14%	28,954
Jul 11, 2025	21.34	21.34	21.15	21.16	21.16	-0.70%	44,822
Jul 10, 2025	21.28	21.45	21.12	21.31	21.31	-2.92%	115,339
Jul 9, 2025	22.21	22.21	21.95	21.95	21.95	-0.86%	1,464
Jul 8, 2025	22.19	22.19	22.13	22.14	22.14	-0.27%	1,532
Jul 7, 2025	22.45	22.45	22.07	22.20	22.20	-1.99%	39,679
Jul 4, 2025	22.56	22.65	22.53	22.65	22.65	0.18%	4,245
Jul 3, 2025	22.36	22.61	22.36	22.61	22.61	1.57%	3,310
Jul 2, 2025	22.25	22.26	22.15	22.26	22.26	0.68%	21,419
Jul 1, 2025	22.31	22.31	22.11	22.11	22.11	0.41%	3,048
Jun 30, 2025	21.67	22.05	21.61	22.02	22.02	1.43%	11,794
Jun 27, 2025	21.64	21.71	21.64	21.71	21.71	0.37%	9,356
Jun 26, 2025	21.63	21.63	21.63	21.63	21.63	1.60%	-
Jun 25, 2025	21.70	21.70	21.29	21.29	21.29	-2.16%	11,422
Jun 24, 2025	21.77	21.77	21.46	21.76	21.76	1.82%	10,669
Jun 23, 2025	21.36	21.41	21.33	21.37	21.37	-0.28%	19,187
Jun 20, 2025	21.63	21.63	21.43	21.43	21.43	-0.51%	46
Jun 19, 2025	21.56	21.56	21.54	21.54	21.54	-0.69%	14,278
Jun 18, 2025	21.67	21.69	21.67	21.69	21.69	0.05%	32
Jun 17, 2025	21.83	21.89	21.68	21.68	21.68	-0.73%	4,887
Jun 16, 2025	21.84	21.84	21.84	21.84	21.84	2.58%	-
Jun 13, 2025	21.10	21.29	21.10	21.29	21.29	0.14%	3,579
Jun 12, 2025	21.21	21.26	21.21	21.26	21.26	-0.19%	101
Jun 11, 2025	21.05	21.30	21.03	21.30	21.30	1.14%	204
Jun 10, 2025	21.14	21.15	21.00	21.06	21.06	1.10%	5,060
Jun 9, 2025	21.06	21.06	20.82	20.83	20.83	-0.24%	7,439
Jun 6, 2025	20.88	20.88	20.88	20.88	20.88	-0.52%	-
Jun 5, 2025	20.86	21.06	20.86	20.99	20.99	0.57%	5,025
Jun 4, 2025	21.04	21.04	20.87	20.87	20.87	0.53%	216
Jun 3, 2025	20.76	20.76	20.76	20.76	20.76	0.58%	-
Jun 2, 2025	20.49	20.79	20.49	20.64	20.64	0.24%	25,458
May 30, 2025	20.93	20.94	20.59	20.59	20.59	-2.05%	45,616