ClearSign Technologies Corporation (CLIR)

NASDAQ: CLIR · Real-Time Price · USD

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0.6085

+0.0060 (1.00%)

At close: Dec 24, 2025, 1:00 PM EST

0.6500

+0.0415 (6.82%)

After-hours: Dec 24, 2025, 4:40 PM EST

ClearSign Technologies Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
Dec 1, 2025	0.73	0.74	0.67	0.72	0.72	-3.27%	81,595
Nov 28, 2025	0.74	0.75	0.74	0.74	0.74	0.11%	43,816
Nov 26, 2025	0.75	0.75	0.73	0.74	0.74	-1.80%	61,221
Nov 25, 2025	0.77	0.78	0.68	0.75	0.75	-3.04%	196,223
Nov 24, 2025	0.82	0.82	0.75	0.78	0.78	-4.40%	99,463
Nov 21, 2025	0.84	0.85	0.79	0.81	0.81	-0.97%	88,147
Nov 20, 2025	0.87	0.87	0.82	0.82	0.82	-4.46%	34,009
Nov 19, 2025	0.80	0.87	0.80	0.86	0.86	3.84%	72,592
Nov 18, 2025	0.84	0.84	0.79	0.83	0.83	-0.70%	32,611
Nov 17, 2025	0.86	0.88	0.79	0.83	0.83	-5.47%	112,949
Nov 14, 2025	0.86	0.98	0.78	0.88	0.88	1.84%	265,747
Nov 13, 2025	0.83	0.97	0.75	0.87	0.87	4.16%	446,172
Nov 12, 2025	0.85	0.89	0.83	0.83	0.83	-3.27%	75,381
Nov 11, 2025	0.95	0.95	0.85	0.86	0.86	-7.35%	135,916
Nov 10, 2025	0.95	0.96	0.91	0.93	0.93	-0.29%	43,140
Nov 7, 2025	0.92	0.93	0.90	0.93	0.93	3.83%	112,051
Nov 6, 2025	0.93	0.94	0.88	0.90	0.90	-2.24%	35,887
Nov 5, 2025	0.85	0.96	0.84	0.92	0.92	5.94%	164,800
Nov 4, 2025	0.88	0.91	0.84	0.86	0.86	1.17%	142,465
Nov 3, 2025	0.89	0.89	0.83	0.85	0.85	-1.75%	39,612
Oct 31, 2025	0.90	0.92	0.85	0.87	0.87	-0.90%	70,011
Oct 30, 2025	0.90	0.94	0.86	0.88	0.88	-2.46%	47,125
Oct 29, 2025	0.91	0.92	0.90	0.90	0.90	-1.39%	110,814
Oct 28, 2025	0.87	1.02	0.87	0.91	0.91	8.64%	399,443
Oct 27, 2025	0.88	0.89	0.81	0.84	0.84	-5.63%	184,402
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