Altair Engineering Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 7, 2025	40.52	41.00	40.50	40.81	40.81	0.79%	29,174
Aug 6, 2025	40.34	40.52	40.17	40.49	40.49	-0.23%	1,772
Aug 5, 2025	41.17	41.30	40.58	40.58	40.58	-1.19%	1,349
Aug 4, 2025	40.72	41.16	40.72	41.07	41.07	2.00%	2,749
Aug 1, 2025	40.58	40.58	40.17	40.26	40.26	-2.86%	1,404
Jul 31, 2025	41.98	42.12	41.20	41.45	41.45	0.94%	3,678
Jul 30, 2025	41.48	41.86	41.06	41.06	41.06	-0.81%	2,413
Jul 29, 2025	41.94	41.94	41.39	41.39	40.93	-0.76%	1,521
Jul 28, 2025	41.78	41.82	41.65	41.71	41.24	0.43%	2,247
Jul 25, 2025	41.42	41.63	41.42	41.53	41.06	0.30%	892
Jul 24, 2025	41.46	41.52	41.30	41.40	40.94	0.46%	2,028
Jul 23, 2025	41.00	41.43	41.00	41.21	40.75	1.14%	2,950
Jul 22, 2025	40.50	40.85	40.50	40.75	40.29	-1.21%	3,119
Jul 21, 2025	41.53	41.62	41.25	41.25	40.79	0.15%	2,023
Jul 18, 2025	41.35	41.44	41.18	41.19	40.72	-0.09%	9,991
Jul 17, 2025	41.18	41.55	41.15	41.22	40.76	0.62%	9,290
Jul 16, 2025	40.85	41.28	40.45	40.97	40.51	0.17%	5,952
Jul 15, 2025	41.29	41.29	40.90	40.90	40.44	0.17%	2,290
Jul 14, 2025	40.75	40.95	40.63	40.83	40.38	0.83%	7,812
Jul 11, 2025	40.60	40.98	40.50	40.50	40.04	-0.35%	6,768
Jul 10, 2025	40.87	41.05	40.53	40.64	40.18	-0.49%	4,255
Jul 9, 2025	40.45	40.85	40.45	40.84	40.38	1.07%	2,375
Jul 8, 2025	40.59	40.59	40.12	40.41	39.96	0.28%	4,505
Jul 7, 2025	40.17	40.47	40.12	40.30	39.84	-0.62%	5,040
Jul 3, 2025	40.40	40.68	40.34	40.55	40.09	1.01%	3,659
Jul 2, 2025	39.80	40.42	39.80	40.14	39.69	1.46%	1,256
Jul 1, 2025	40.37	40.37	39.20	39.56	39.12	-2.48%	7,626
Jun 30, 2025	41.01	41.01	40.38	40.57	40.11	0.89%	3,445
Jun 27, 2025	40.31	40.53	40.05	40.21	39.76	-1.34%	5,013
Jun 26, 2025	40.44	40.85	40.44	40.76	39.86	1.51%	31,282
Jun 25, 2025	40.35	40.38	39.94	40.16	39.26	-0.16%	6,735
Jun 24, 2025	39.45	40.24	39.45	40.22	39.33	3.61%	6,629
Jun 23, 2025	38.79	39.31	38.55	38.82	37.96	0.28%	3,388
Jun 20, 2025	39.02	39.08	38.64	38.71	37.85	-0.55%	8,559
Jun 18, 2025	38.81	39.00	38.81	38.92	38.06	0.69%	1,728
Jun 17, 2025	38.82	38.90	38.66	38.66	37.80	-0.87%	1,217
Jun 16, 2025	38.89	39.18	38.89	39.00	38.13	1.41%	1,813
Jun 13, 2025	38.61	38.74	38.42	38.46	37.60	-0.99%	2,484
Jun 12, 2025	38.62	39.03	38.58	38.84	37.98	0.26%	2,648
Jun 11, 2025	39.01	39.07	38.73	38.74	37.88	0.42%	1,513
Jun 10, 2025	38.57	38.87	38.27	38.58	37.72	0.14%	4,509
Jun 9, 2025	38.32	38.72	38.32	38.53	37.67	-0.69%	3,268
Jun 6, 2025	39.07	39.07	38.62	38.79	37.93	0.94%	1,234
Jun 5, 2025	39.02	39.57	38.43	38.43	37.58	-1.46%	773
Jun 4, 2025	39.05	39.40	38.89	39.00	38.14	0.47%	9,358
Jun 3, 2025	38.64	39.05	38.64	38.82	37.96	1.43%	4,336
Jun 2, 2025	37.79	38.34	37.79	38.27	37.42	1.21%	2,995
May 30, 2025	37.49	38.21	37.33	37.81	36.98	0.09%	2,328
May 29, 2025	38.35	38.35	37.67	37.78	36.94	-0.54%	3,157
May 28, 2025	37.85	38.43	37.85	37.98	36.73	0.08%	2,060