ClearSign Technologies Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 12, 2026	0.59	0.61	0.56	0.61	0.61	4.99%	81,187
Feb 11, 2026	0.61	0.63	0.58	0.58	0.58	-5.27%	84,356
Feb 10, 2026	0.65	0.65	0.61	0.61	0.61	-6.93%	66,050
Feb 9, 2026	0.62	0.70	0.59	0.66	0.66	13.68%	247,109
Feb 6, 2026	0.58	0.59	0.55	0.58	0.58	2.06%	54,254
Feb 5, 2026	0.57	0.59	0.56	0.57	0.57	-3.24%	86,684
Feb 4, 2026	0.60	0.61	0.57	0.59	0.59	-4.05%	82,692
Feb 3, 2026	0.57	0.62	0.56	0.61	0.61	2.12%	67,572
Feb 2, 2026	0.59	0.65	0.54	0.60	0.60	-0.32%	160,517
Jan 30, 2026	0.61	0.65	0.60	0.60	0.60	-0.41%	35,401
Jan 29, 2026	0.64	0.65	0.58	0.60	0.60	-1.89%	118,281
Jan 28, 2026	0.65	0.69	0.61	0.62	0.62	-8.33%	134,475
Jan 27, 2026	0.69	0.72	0.67	0.67	0.67	-4.28%	146,299
Jan 26, 2026	0.72	0.72	0.70	0.70	0.70	0.72%	53,792
Jan 23, 2026	0.72	0.75	0.70	0.70	0.70	-3.09%	31,794
Jan 22, 2026	0.68	0.75	0.67	0.72	0.72	5.22%	237,883
Jan 21, 2026	0.75	0.77	0.63	0.68	0.68	-9.01%	226,509
Jan 20, 2026	0.78	0.79	0.75	0.75	0.75	-1.37%	73,550
Jan 16, 2026	0.79	0.81	0.76	0.76	0.76	-3.72%	92,653
Jan 15, 2026	0.75	0.81	0.75	0.79	0.79	4.91%	247,118
Jan 14, 2026	0.77	0.78	0.75	0.75	0.75	-1.83%	35,127
Jan 13, 2026	0.73	0.77	0.70	0.77	0.77	2.97%	105,901
Jan 12, 2026	0.78	0.78	0.70	0.74	0.74	-4.01%	225,022
Jan 9, 2026	0.77	0.81	0.74	0.78	0.78	6.45%	264,255
Jan 8, 2026	0.77	0.79	0.69	0.73	0.73	-5.02%	123,923
Jan 7, 2026	0.65	0.80	0.60	0.77	0.77	27.85%	434,489
Jan 6, 2026	0.69	0.69	0.58	0.60	0.60	-6.20%	258,452
Jan 5, 2026	0.60	0.69	0.58	0.64	0.64	12.28%	181,366
Jan 2, 2026	0.56	0.59	0.55	0.57	0.57	2.50%	111,731
Dec 31, 2025	0.56	0.57	0.55	0.56	0.56	0.02%	134,120
Dec 30, 2025	0.55	0.58	0.55	0.56	0.56	-3.30%	81,626
Dec 29, 2025	0.59	0.60	0.56	0.58	0.58	-5.55%	158,111
Dec 26, 2025	0.61	0.65	0.60	0.61	0.61	-2.83%	70,254
Dec 24, 2025	0.60	0.63	0.59	0.63	0.63	3.98%	21,393
Dec 23, 2025	0.56	0.60	0.56	0.60	0.60	3.88%	33,190
Dec 22, 2025	0.57	0.60	0.57	0.58	0.58	1.72%	61,872
Dec 19, 2025	0.61	0.63	0.55	0.57	0.57	-3.68%	176,395
Dec 18, 2025	0.64	0.67	0.58	0.59	0.59	7.30%	109,457
Dec 17, 2025	0.58	0.59	0.55	0.55	0.55	-6.49%	216,382
Dec 16, 2025	0.58	0.63	0.58	0.59	0.59	1.30%	59,242
Dec 15, 2025	0.64	0.66	0.58	0.58	0.58	-11.10%	320,320
Dec 12, 2025	0.70	0.74	0.65	0.66	0.66	6.94%	314,026
Dec 11, 2025	0.68	0.68	0.58	0.61	0.61	-9.91%	299,469
Dec 10, 2025	0.75	0.78	0.68	0.68	0.68	-9.86%	181,259
Dec 9, 2025	0.77	0.78	0.75	0.75	0.75	0.57%	30,377
Dec 8, 2025	0.75	0.78	0.74	0.75	0.75	-1.99%	30,541
Dec 5, 2025	0.77	0.77	0.75	0.77	0.77	0.68%	25,670
Dec 4, 2025	0.77	0.78	0.75	0.76	0.76	-1.03%	19,781
Dec 3, 2025	0.72	0.80	0.72	0.77	0.77	6.96%	87,314
Dec 2, 2025	0.70	0.72	0.70	0.72	0.72	0.20%	33,347