Ionics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 23, 2025	0.93	0.93	0.92	0.92	0.92	2.22%	194,000
Sep 22, 2025	0.95	0.95	0.90	0.90	0.90	-5.26%	484,000
Sep 19, 2025	0.94	0.96	0.94	0.95	0.95	-	37,000
Sep 18, 2025	0.95	0.95	0.95	0.95	0.95	-	5,000
Sep 17, 2025	0.94	0.95	0.91	0.95	0.95	2.15%	807,000
Sep 16, 2025	0.95	0.95	0.93	0.93	0.93	-1.06%	64,000
Sep 15, 2025	0.93	0.95	0.92	0.94	0.94	1.08%	145,000
Sep 12, 2025	0.95	0.95	0.93	0.93	0.93	-2.11%	88,000
Sep 11, 2025	0.95	0.95	0.94	0.95	0.95	4.40%	102,000
Sep 10, 2025	0.92	0.95	0.91	0.91	0.91	-3.19%	171,000
Sep 9, 2025	0.94	0.95	0.94	0.94	0.94	-	30,000
Sep 8, 2025	0.94	0.94	0.94	0.94	0.94	3.30%	94,000
Sep 5, 2025	0.93	0.94	0.91	0.91	0.91	-2.15%	167,000
Sep 4, 2025	0.93	0.93	0.90	0.93	0.93	-	140,000
Sep 3, 2025	0.93	0.94	0.90	0.93	0.93	-	95,000
Sep 2, 2025	0.93	0.94	0.91	0.93	0.93	2.20%	255,000
Sep 1, 2025	0.91	0.93	0.91	0.91	0.91	-2.15%	49,000
Aug 29, 2025	0.91	0.93	0.91	0.93	0.93	-	32,000
Aug 28, 2025	0.90	0.93	0.89	0.93	0.93	2.20%	151,000
Aug 27, 2025	0.91	0.91	0.90	0.91	0.91	-	160,000
Aug 26, 2025	0.90	0.93	0.90	0.91	0.91	-3.19%	278,000
Aug 22, 2025	0.92	0.94	0.92	0.94	0.94	2.17%	164,000
Aug 20, 2025	0.93	0.93	0.91	0.92	0.92	-	21,000
Aug 19, 2025	0.92	0.94	0.90	0.92	0.92	-	594,000
Aug 18, 2025	0.94	0.94	0.92	0.92	0.92	-2.13%	420,000
Aug 15, 2025	0.94	0.95	0.92	0.94	0.94	-4.08%	732,000
Aug 14, 2025	0.99	0.99	0.95	0.98	0.98	-	569,000
Aug 13, 2025	0.92	0.99	0.92	0.98	0.98	3.16%	2,053,000
Aug 12, 2025	0.95	0.95	0.92	0.95	0.95	-	406,000
Aug 11, 2025	0.94	0.95	0.93	0.95	0.95	-	41,000
Aug 8, 2025	0.93	0.95	0.92	0.95	0.95	2.15%	510,000
Aug 7, 2025	0.93	0.95	0.92	0.93	0.93	-	965,000
Aug 6, 2025	0.93	0.93	0.92	0.93	0.93	2.20%	245,000
Aug 5, 2025	0.92	0.94	0.91	0.91	0.91	-	275,000
Aug 4, 2025	0.92	0.92	0.91	0.91	0.91	-	148,000
Aug 1, 2025	0.88	0.92	0.88	0.91	0.91	-	383,000
Jul 31, 2025	0.91	0.93	0.91	0.91	0.91	-	574,000
Jul 30, 2025	0.90	0.94	0.87	0.91	0.91	1.11%	4,244,000
Jul 29, 2025	0.91	0.91	0.86	0.90	0.90	-	288,000
Jul 28, 2025	0.86	0.90	0.86	0.90	0.90	4.65%	590,000
Jul 25, 2025	0.87	0.89	0.86	0.86	0.86	-3.37%	625,000
Jul 24, 2025	0.90	0.90	0.87	0.89	0.89	-1.11%	259,000
Jul 23, 2025	0.92	0.92	0.88	0.90	0.90	-	728,000
Jul 22, 2025	0.92	0.92	0.90	0.90	0.90	-	380,000
Jul 21, 2025	0.91	0.91	0.90	0.90	0.90	-	136,000
Jul 18, 2025	0.92	0.92	0.88	0.90	0.90	-2.17%	1,013,000
Jul 17, 2025	0.90	0.92	0.89	0.92	0.92	2.22%	350,000
Jul 16, 2025	0.89	0.90	0.89	0.90	0.90	-	56,000
Jul 15, 2025	0.90	0.91	0.86	0.90	0.90	-	612,000
Jul 14, 2025	0.93	0.93	0.88	0.90	0.90	-2.17%	478,000