Altair Engineering Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 7, 2025	19.30	19.50	19.22	19.39	19.39	0.47%	652,200
Aug 6, 2025	18.74	19.37	18.60	19.30	19.30	4.04%	641,300
Aug 5, 2025	18.68	18.80	18.47	18.55	18.55	-0.75%	537,000
Aug 4, 2025	18.61	18.77	18.50	18.69	18.69	0.59%	647,700
Aug 1, 2025	18.84	19.12	18.39	18.58	18.58	-1.28%	374,000
Jul 31, 2025	18.30	19.03	18.15	18.82	18.82	1.73%	1,065,300
Jul 30, 2025	18.35	18.60	18.16	18.50	18.50	1.09%	344,200
Jul 29, 2025	18.14	18.38	18.12	18.30	18.30	0.88%	344,100
Jul 28, 2025	18.60	18.80	18.14	18.14	18.14	-2.68%	461,700
Jul 25, 2025	18.81	18.81	18.50	18.64	18.64	0.22%	377,300
Jul 24, 2025	18.65	18.82	18.39	18.60	18.60	-	435,500
Jul 23, 2025	18.26	18.72	18.17	18.60	18.60	2.20%	523,100
Jul 22, 2025	18.60	18.74	18.02	18.20	18.20	-2.15%	1,500,600
Jul 21, 2025	18.83	19.01	18.48	18.60	18.60	-1.22%	784,100
Jul 18, 2025	18.80	19.14	18.70	18.83	18.83	-2.44%	728,600
Jul 17, 2025	19.43	19.56	19.21	19.30	19.18	-0.41%	581,100
Jul 16, 2025	19.88	19.96	19.36	19.38	19.25	-2.52%	824,900
Jul 15, 2025	19.79	20.07	19.67	19.88	19.75	1.02%	544,600
Jul 14, 2025	20.10	20.29	19.55	19.68	19.55	-2.57%	492,400
Jul 11, 2025	20.54	20.59	20.17	20.20	20.07	-1.66%	399,100
Jul 10, 2025	21.25	21.25	20.54	20.54	20.41	-3.88%	422,300
Jul 9, 2025	21.46	21.46	21.21	21.37	21.23	-0.47%	432,100
Jul 8, 2025	21.61	21.63	21.23	21.47	21.33	0.14%	362,200
Jul 7, 2025	21.88	21.98	21.31	21.44	21.30	-2.01%	409,600
Jul 4, 2025	21.61	21.88	21.55	21.88	21.74	0.83%	273,700
Jul 3, 2025	21.01	21.77	21.01	21.70	21.56	3.33%	504,900
Jul 2, 2025	21.20	21.26	20.96	21.00	20.86	-1.50%	324,100
Jul 1, 2025	21.00	21.32	20.94	21.32	21.18	1.09%	490,200
Jun 30, 2025	20.71	21.19	20.49	21.09	20.95	1.83%	723,800
Jun 27, 2025	20.23	20.71	20.21	20.71	20.58	2.02%	673,900
Jun 26, 2025	19.74	20.36	19.74	20.30	20.17	2.27%	626,800
Jun 25, 2025	19.78	19.86	19.65	19.85	19.72	-0.05%	285,800
Jun 24, 2025	19.85	20.00	19.61	19.86	19.73	-	544,100
Jun 23, 2025	19.70	19.89	19.34	19.86	19.73	0.81%	543,900
Jun 20, 2025	19.39	19.70	19.25	19.70	19.57	-0.66%	867,900
Jun 18, 2025	19.31	19.84	19.20	19.83	19.58	2.64%	508,900
Jun 17, 2025	19.17	19.32	18.98	19.32	19.07	0.89%	416,900
Jun 16, 2025	19.63	19.73	19.15	19.15	18.91	-1.79%	740,000
Jun 13, 2025	19.69	19.69	19.26	19.50	19.25	-1.02%	356,500
Jun 12, 2025	19.55	19.70	19.34	19.70	19.45	0.82%	460,100
Jun 11, 2025	19.50	19.76	19.30	19.54	19.29	-0.20%	424,800
Jun 10, 2025	19.63	19.79	19.55	19.58	19.33	0.51%	431,700
Jun 9, 2025	19.61	19.87	19.27	19.48	19.23	-0.66%	549,800
Jun 6, 2025	19.88	20.04	19.40	19.61	19.36	-1.65%	691,400
Jun 5, 2025	20.13	20.32	19.87	19.94	19.69	-1.53%	510,400
Jun 4, 2025	20.64	20.80	20.25	20.25	19.99	-1.89%	539,300
Jun 3, 2025	20.09	20.65	19.96	20.64	20.38	2.43%	706,100
Jun 2, 2025	20.25	20.35	19.93	20.15	19.89	-0.74%	766,600
May 30, 2025	20.52	20.52	19.85	20.30	20.04	-0.83%	1,519,100
May 29, 2025	20.57	20.60	20.27	20.47	20.21	-0.49%	883,100