ClearSign Technologies Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 27, 2025	0.88	0.89	0.85	0.83	-	-7.12%	74,862
Oct 24, 2025	0.95	0.95	0.86	0.89	0.89	-6.26%	211,159
Oct 23, 2025	0.87	0.97	0.85	0.95	0.95	14.41%	231,682
Oct 22, 2025	0.85	0.85	0.77	0.83	0.83	-3.62%	232,902
Oct 21, 2025	0.91	0.97	0.83	0.86	0.86	-9.37%	195,274
Oct 20, 2025	0.84	0.98	0.84	0.95	0.95	11.66%	131,496
Oct 17, 2025	0.81	0.90	0.81	0.85	0.85	-2.20%	198,082
Oct 16, 2025	1.02	1.02	0.85	0.87	0.87	-10.09%	206,267
Oct 15, 2025	0.91	1.00	0.91	0.97	0.97	-3.71%	240,562
Oct 14, 2025	0.86	1.01	0.83	1.01	1.01	9.24%	192,910
Oct 13, 2025	0.88	0.93	0.81	0.92	0.92	6.98%	208,726
Oct 10, 2025	0.92	0.92	0.81	0.86	0.86	-6.51%	254,424
Oct 9, 2025	1.00	1.00	0.91	0.92	0.92	-5.90%	202,633
Oct 8, 2025	0.93	0.99	0.88	0.98	0.98	1.82%	171,011
Oct 7, 2025	1.09	1.11	0.86	0.96	0.96	-9.42%	1,189,546
Oct 6, 2025	0.90	1.12	0.88	1.06	1.06	23.53%	1,354,399
Oct 3, 2025	0.84	0.88	0.82	0.86	0.86	1.74%	189,188
Oct 2, 2025	0.80	0.86	0.79	0.84	0.84	6.49%	256,459
Oct 1, 2025	0.77	0.81	0.77	0.79	0.79	2.70%	67,135
Sep 30, 2025	0.83	0.83	0.75	0.77	0.77	-3.73%	112,806
Sep 29, 2025	0.86	0.87	0.78	0.80	0.80	-0.62%	297,659
Sep 26, 2025	0.80	0.86	0.78	0.81	0.81	10.24%	468,699
Sep 25, 2025	0.77	0.78	0.71	0.73	0.73	-3.54%	154,411
Sep 24, 2025	0.72	0.77	0.72	0.76	0.76	6.01%	197,348
Sep 23, 2025	0.80	0.89	0.64	0.72	0.72	-14.65%	951,540
Sep 22, 2025	0.66	0.90	0.61	0.84	0.84	22.88%	2,681,329
Sep 19, 2025	0.51	0.95	0.51	0.68	0.68	36.26%	36,197,285
Sep 18, 2025	0.51	0.54	0.48	0.50	0.50	-1.46%	392,847
Sep 17, 2025	0.50	0.53	0.48	0.51	0.51	0.83%	180,329
Sep 16, 2025	0.52	0.53	0.46	0.50	0.50	-5.04%	550,952
Sep 15, 2025	0.56	0.57	0.53	0.53	0.53	-1.83%	161,133
Sep 12, 2025	0.55	0.56	0.54	0.54	0.54	-0.90%	103,924
Sep 11, 2025	0.56	0.58	0.54	0.55	0.55	-3.88%	88,023
Sep 10, 2025	0.59	0.60	0.57	0.57	0.57	-2.36%	68,367
Sep 9, 2025	0.57	0.60	0.57	0.58	0.58	-0.77%	43,356
Sep 8, 2025	0.60	0.60	0.59	0.59	0.59	-0.54%	53,664
Sep 5, 2025	0.60	0.60	0.58	0.59	0.59	1.26%	40,814
Sep 4, 2025	0.60	0.60	0.58	0.58	0.58	-2.34%	49,418
Sep 3, 2025	0.59	0.60	0.58	0.60	0.60	-0.78%	36,167
Sep 2, 2025	0.61	0.61	0.58	0.60	0.60	2.64%	46,127
Aug 29, 2025	0.59	0.60	0.58	0.58	0.58	-1.50%	16,744
Aug 28, 2025	0.59	0.60	0.58	0.59	0.59	0.17%	40,229
Aug 27, 2025	0.58	0.60	0.58	0.59	0.59	2.10%	35,861
Aug 26, 2025	0.58	0.61	0.57	0.58	0.58	-0.85%	88,668
Aug 25, 2025	0.61	0.61	0.57	0.59	0.59	-0.85%	81,597
Aug 22, 2025	0.60	0.62	0.58	0.59	0.59	2.63%	91,153
Aug 21, 2025	0.58	0.58	0.55	0.57	0.57	5.91%	101,807
Aug 20, 2025	0.55	0.55	0.54	0.54	0.54	-1.49%	29,976
Aug 19, 2025	0.55	0.55	0.52	0.55	0.55	-1.61%	43,735
Aug 18, 2025	0.57	0.59	0.56	0.56	0.56	-0.37%	35,185