ClearSign Technologies Corporation - CLIR - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
February 20, 2026	0.62	0.59	0.59	0.64	0.59	37,233
February 19, 2026	0.62	0.62	0.62	0.64	0.61	73,422
February 18, 2026	0.62	0.61	0.61	0.65	0.6	42,545
February 17, 2026	0.61	0.63	0.63	0.63	0.59	22,233
February 13, 2026	0.6	0.61	0.61	0.63	0.59	123,713
February 12, 2026	0.59	0.61	0.61	0.61	0.56	81,116
February 11, 2026	0.61	0.58	0.58	0.63	0.58	84,400
February 10, 2026	0.65	0.61	0.61	0.65	0.61	66,149
February 09, 2026	0.62	0.66	0.66	0.7	0.59	247,600
February 06, 2026	0.58	0.58	0.58	0.59	0.55	54,300
February 05, 2026	0.57	0.57	0.57	0.59	0.56	86,710
February 04, 2026	0.6	0.59	0.59	0.61	0.57	82,708
February 03, 2026	0.57	0.61	0.61	0.62	0.56	68,600
February 02, 2026	0.59	0.6	0.6	0.65	0.54	161,048
January 30, 2026	0.61	0.6	0.6	0.65	0.6	1.31M
January 29, 2026	0.64	0.6	0.6	0.65	0.58	118,636
January 28, 2026	0.65	0.62	0.62	0.69	0.61	135,600
January 27, 2026	0.69	0.67	0.67	0.72	0.67	146,311
January 26, 2026	0.72	0.7	0.7	0.72	0.7	53,924
January 23, 2026	0.72	0.7	0.7	0.75	0.7	31,800
January 22, 2026	0.68	0.72	0.72	0.75	0.67	237,983
January 21, 2026	0.75	0.68	0.68	0.77	0.63	226,534
January 20, 2026	0.78	0.75	0.75	0.79	0.75	73,600
January 16, 2026	0.79	0.76	0.76	0.81	0.76	93,724
January 15, 2026	0.75	0.79	0.79	0.81	0.75	247,118
January 14, 2026	0.77	0.75	0.75	0.78	0.75	35,233
January 13, 2026	0.73	0.77	0.77	0.77	0.7	107,203
January 12, 2026	0.78	0.74	0.74	0.78	0.7	225,400
January 09, 2026	0.77	0.78	0.78	0.81	0.74	264,306
January 08, 2026	0.77	0.73	0.73	0.79	0.69	125,185
January 07, 2026	0.65	0.77	0.77	0.79	0.6	437,633
January 06, 2026	0.69	0.6	0.6	0.69	0.58	258,500
January 05, 2026	0.6	0.64	0.64	0.69	0.58	181,400
January 02, 2026	0.56	0.57	0.57	0.58	0.55	109,724
December 31, 2025	0.56	0.56	0.56	0.57	0.55	134,120
December 30, 2025	0.55	0.56	0.56	0.58	0.55	81,861
December 29, 2025	0.59	0.57	0.57	0.6	0.56	158,111
December 26, 2025	0.61	0.61	0.61	0.65	0.6	70,300
December 24, 2025	0.6	0.62	0.62	0.63	0.59	20,366
December 23, 2025	0.56	0.6	0.6	0.6	0.56	33,200
December 22, 2025	0.57	0.58	0.58	0.6	0.57	62,109
December 19, 2025	0.61	0.57	0.57	0.63	0.55	176,344
December 18, 2025	0.64	0.59	0.59	0.67	0.58	109,500
December 17, 2025	0.58	0.55	0.55	0.59	0.55	216,700
December 16, 2025	0.58	0.59	0.59	0.63	0.58	59,242
December 15, 2025	0.64	0.58	0.58	0.66	0.58	322,431
December 12, 2025	0.7	0.66	0.66	0.74	0.65	314,527
December 11, 2025	0.68	0.61	0.61	0.68	0.58	302,921
December 10, 2025	0.75	0.68	0.68	0.78	0.68	181,260
December 09, 2025	0.77	0.75	0.75	0.78	0.75	30,400
December 08, 2025	0.75	0.75	0.75	0.78	0.74	32,550
December 05, 2025	0.77	0.77	0.77	0.77	0.75	25,700
December 04, 2025	0.77	0.76	0.76	0.78	0.75	19,740
December 03, 2025	0.72	0.77	0.77	0.8	0.72	87,300
December 02, 2025	0.7	0.72	0.72	0.72	0.7	33,700
December 01, 2025	0.73	0.72	0.72	0.74	0.67	81,615
November 28, 2025	0.74	0.74	0.74	0.75	0.74	44,940
November 26, 2025	0.75	0.74	0.74	0.75	0.73	61,358
November 25, 2025	0.77	0.75	0.75	0.78	0.68	200,225
November 24, 2025	0.82	0.78	0.78	0.82	0.75	101,000

ClearSign Technologies Corporation (CLIR) NASDAQ