Environmental Tectonics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 14, 2026	0.72	0.72	0.72	0.72	0.72	-	1,928
Apr 13, 2026	0.72	0.73	0.72	0.72	0.72	0.11%	32,240
Apr 10, 2026	0.81	0.81	0.72	0.72	0.72	-1.88%	1,451
Apr 9, 2026	0.73	0.73	0.73	0.73	0.73	1.92%	1,000
Apr 8, 2026	0.73	0.73	0.72	0.72	0.72	-4.54%	34,849
Apr 7, 2026	0.75	0.75	0.75	0.75	0.75	4.49%	100
Apr 6, 2026	0.76	0.76	0.72	0.72	0.72	-4.97%	6,600
Apr 1, 2026	0.76	0.76	0.76	0.76	0.76	-0.17%	500
Mar 31, 2026	0.74	0.76	0.74	0.76	0.76	1.17%	79,200
Mar 26, 2026	0.75	0.75	0.75	0.75	0.75	-	100
Mar 25, 2026	0.75	0.75	0.75	0.75	0.75	-1.16%	657
Mar 24, 2026	0.75	0.76	0.75	0.76	0.76	-	55,100
Mar 19, 2026	0.76	0.76	0.73	0.76	0.76	3.40%	23,300
Mar 18, 2026	0.78	0.79	0.74	0.74	0.74	-8.13%	28,189
Mar 17, 2026	0.80	0.80	0.80	0.80	0.80	0.34%	111
Mar 16, 2026	0.81	0.82	0.74	0.80	0.80	-1.96%	38,900
Mar 13, 2026	0.82	0.83	0.80	0.81	0.81	-3.42%	28,800
Mar 11, 2026	0.83	0.86	0.83	0.84	0.84	1.45%	21,922
Mar 10, 2026	0.83	0.83	0.82	0.83	0.83	-3.34%	6,550
Mar 9, 2026	0.86	0.86	0.85	0.86	0.86	0.43%	12,801
Mar 6, 2026	0.85	0.89	0.85	0.86	0.86	-2.61%	18,776
Mar 5, 2026	0.90	0.90	0.85	0.88	0.88	0.91%	4,700
Mar 4, 2026	0.87	0.87	0.87	0.87	0.87	-0.84%	21,002
Mar 3, 2026	0.88	0.88	0.88	0.88	0.88	-0.58%	2,911
Mar 2, 2026	0.91	0.91	0.87	0.88	0.88	-1.94%	7,295
Feb 27, 2026	0.90	0.90	0.90	0.90	0.90	1.18%	1,650
Feb 26, 2026	0.89	0.89	0.89	0.89	0.89	-2.25%	100
Feb 25, 2026	0.88	0.91	0.88	0.91	0.91	0.60%	15,200
Feb 24, 2026	0.90	0.90	0.90	0.90	0.90	0.01%	1,000
Feb 20, 2026	0.90	0.90	0.90	0.90	0.90	-0.60%	1,125
Feb 19, 2026	0.91	0.91	0.90	0.91	0.91	1.77%	1,825
Feb 18, 2026	0.91	0.91	0.89	0.89	0.89	-1.75%	39,500
Feb 17, 2026	0.90	0.92	0.90	0.91	0.91	1.12%	50,090
Feb 13, 2026	0.91	0.91	0.90	0.90	0.90	-1.11%	300
Feb 12, 2026	0.91	0.91	0.90	0.91	0.91	-0.64%	17,700
Feb 11, 2026	0.92	0.92	0.92	0.92	0.92	-0.43%	304
Feb 10, 2026	0.90	0.92	0.90	0.92	0.92	0.55%	30,529
Feb 9, 2026	0.91	0.92	0.91	0.92	0.92	0.04%	3,750
Feb 6, 2026	0.91	0.92	0.90	0.91	0.91	-2.70%	39,745
Feb 5, 2026	0.94	0.94	0.93	0.94	0.94	-0.63%	20,800
Feb 4, 2026	0.96	0.96	0.93	0.95	0.95	-0.98%	22,523
Feb 3, 2026	0.97	0.97	0.96	0.96	0.96	-1.51%	1,944
Feb 2, 2026	0.97	0.97	0.96	0.97	0.97	-	19,723
Jan 30, 2026	0.96	0.98	0.95	0.97	0.97	1.04%	67,425
Jan 29, 2026	1.00	1.03	0.94	0.96	0.96	-4.00%	49,581
Jan 28, 2026	1.00	1.00	0.95	1.00	1.00	3.09%	21,104
Jan 27, 2026	1.00	1.00	0.96	0.97	0.97	-2.72%	8,949
Jan 26, 2026	0.95	1.06	0.95	1.00	1.00	-0.29%	33,673
Jan 23, 2026	0.98	1.00	0.97	1.00	1.00	-4.76%	9,282
Jan 22, 2026	1.07	1.07	0.98	1.05	1.05	-2.60%	8,756