ClearSign Technologies Corporation (CLIR)

NASDAQ: CLIR · Real-Time Price · USD

0.5355

+0.0145 (2.78%)

At close: Mar 6, 2026, 4:00 PM EST

0.5617

+0.0262 (4.89%)

After-hours: Mar 6, 2026, 6:53 PM EST

ClearSign Technologies Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Mar 6, 2026	0.52	0.58	0.52	0.54	0.54	2.78%	192,394
Mar 5, 2026	0.52	0.54	0.52	0.52	0.52	-3.52%	92,731
Mar 4, 2026	0.55	0.55	0.51	0.54	0.54	-1.66%	188,324
Mar 3, 2026	0.54	0.56	0.54	0.55	0.55	-2.24%	25,265
Mar 2, 2026	0.57	0.58	0.56	0.56	0.56	-	58,603
Feb 27, 2026	0.54	0.57	0.54	0.56	0.56	0.02%	43,988
Feb 26, 2026	0.55	0.58	0.55	0.56	0.56	-3.11%	67,259
Feb 25, 2026	0.57	0.59	0.56	0.58	0.58	-1.34%	67,858
Feb 24, 2026	0.60	0.61	0.55	0.59	0.59	0.26%	76,940
Feb 23, 2026	0.59	0.60	0.58	0.59	0.59	-1.50%	46,878
Feb 20, 2026	0.62	0.64	0.59	0.59	0.59	-3.28%	37,233
Feb 19, 2026	0.62	0.64	0.61	0.62	0.62	1.40%	73,422
Feb 18, 2026	0.62	0.65	0.60	0.61	0.61	-3.41%	42,545
Feb 17, 2026	0.61	0.63	0.59	0.63	0.63	2.28%	22,233
Feb 13, 2026	0.60	0.63	0.59	0.61	0.61	0.66%	123,713
Feb 12, 2026	0.59	0.61	0.56	0.61	0.61	4.99%	81,681
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%	66,149
Feb 9, 2026	0.62	0.70	0.59	0.66	0.66	13.68%	247,566
Feb 6, 2026	0.58	0.59	0.55	0.58	0.58	2.06%	54,298
Feb 5, 2026	0.57	0.59	0.56	0.57	0.57	-3.24%	86,710
Feb 4, 2026	0.60	0.61	0.57	0.59	0.59	-4.05%	82,708
Feb 3, 2026	0.57	0.62	0.56	0.61	0.61	2.12%	68,598
Feb 2, 2026	0.59	0.65	0.54	0.60	0.60	-0.32%	161,048
Jan 30, 2026	0.61	0.65	0.60	0.60	0.60	-0.41%	1,306,173
Jan 29, 2026	0.64	0.65	0.58	0.60	0.60	-1.89%	118,636
Jan 28, 2026	0.65	0.69	0.61	0.62	0.62	-8.33%	135,568
Jan 27, 2026	0.69	0.72	0.67	0.67	0.67	-4.28%	146,311
Jan 26, 2026	0.72	0.72	0.70	0.70	0.70	0.72%	53,924
Jan 23, 2026	0.72	0.75	0.70	0.70	0.70	-3.09%	31,796
Jan 22, 2026	0.68	0.75	0.67	0.72	0.72	5.22%	237,983
Jan 21, 2026	0.75	0.77	0.63	0.68	0.68	-9.01%	226,534
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%	93,724
Jan 15, 2026	0.75	0.81	0.75	0.79	0.79	4.91%	249,119
Jan 14, 2026	0.77	0.78	0.75	0.75	0.75	-1.83%	35,233
Jan 13, 2026	0.73	0.77	0.70	0.77	0.77	2.97%	107,203
Jan 12, 2026	0.78	0.78	0.70	0.74	0.74	-4.01%	225,376
Jan 9, 2026	0.77	0.81	0.74	0.78	0.78	6.45%	264,306
Jan 8, 2026	0.77	0.79	0.69	0.73	0.73	-5.02%	125,185
Jan 7, 2026	0.65	0.80	0.60	0.77	0.77	27.85%	437,633
Jan 6, 2026	0.69	0.69	0.58	0.60	0.60	-6.20%	258,453
Jan 5, 2026	0.60	0.69	0.58	0.64	0.64	12.28%	181,367
Jan 2, 2026	0.56	0.59	0.55	0.57	0.57	2.50%	112,047
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%	81,861
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%	70,258
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