Birchtech Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 24, 2025	0.69	0.69	0.69	0.69	0.69	-1.05%	24,870
Oct 23, 2025	0.69	0.70	0.68	0.69	0.69	0.06%	43,725
Oct 22, 2025	0.70	0.70	0.69	0.69	0.69	-1.00%	151,129
Oct 21, 2025	0.67	0.70	0.67	0.70	0.70	3.56%	28,110
Oct 20, 2025	0.67	0.70	0.65	0.68	0.68	0.75%	34,774
Oct 17, 2025	0.68	0.69	0.67	0.67	0.67	-1.44%	119,883
Oct 16, 2025	0.71	0.71	0.68	0.68	0.68	-3.02%	116,202
Oct 15, 2025	0.70	0.71	0.69	0.70	0.70	0.43%	104,653
Oct 14, 2025	0.69	0.71	0.62	0.70	0.70	3.93%	268,187
Oct 13, 2025	0.69	0.69	0.66	0.67	0.67	-0.06%	52,121
Oct 10, 2025	0.68	0.69	0.62	0.67	0.67	-1.50%	75,231
Oct 9, 2025	0.68	0.72	0.67	0.68	0.68	0.77%	113,221
Oct 8, 2025	0.69	0.72	0.66	0.68	0.68	-3.00%	198,736
Oct 7, 2025	0.70	0.70	0.69	0.70	0.70	-0.30%	10,664
Oct 6, 2025	0.69	0.70	0.67	0.70	0.70	1.46%	34,195
Oct 3, 2025	0.68	0.69	0.66	0.69	0.69	0.57%	115,199
Oct 2, 2025	0.70	0.71	0.69	0.69	0.69	-1.73%	17,425
Oct 1, 2025	0.70	0.71	0.69	0.70	0.70	-3.71%	55,154
Sep 30, 2025	0.74	0.74	0.70	0.73	0.73	-1.63%	42,016
Sep 29, 2025	0.74	0.75	0.72	0.74	0.74	-0.37%	118,131
Sep 26, 2025	0.72	0.75	0.71	0.74	0.74	5.30%	187,534
Sep 25, 2025	0.71	0.73	0.70	0.70	0.70	-2.43%	211,888
Sep 24, 2025	0.71	0.75	0.70	0.72	0.72	1.41%	268,031
Sep 23, 2025	0.72	0.72	0.69	0.71	0.71	-	162,492
Sep 22, 2025	0.72	0.72	0.66	0.71	0.71	-0.70%	126,811
Sep 19, 2025	0.69	0.72	0.69	0.72	0.72	5.15%	168,644
Sep 18, 2025	0.69	0.70	0.66	0.68	0.68	3.03%	77,096
Sep 17, 2025	0.63	0.75	0.63	0.66	0.66	-0.02%	54,480
Sep 16, 2025	0.67	0.69	0.66	0.66	0.66	-1.77%	63,775
Sep 15, 2025	0.70	0.71	0.63	0.67	0.67	-3.86%	130,546
Sep 12, 2025	0.69	0.70	0.68	0.70	0.70	-0.14%	59,100
Sep 11, 2025	0.70	0.71	0.68	0.70	0.70	-2.76%	62,195
Sep 10, 2025	0.71	0.72	0.69	0.72	0.72	0.91%	85,412
Sep 9, 2025	0.72	0.72	0.71	0.71	0.71	-0.92%	60,800
Sep 8, 2025	0.74	0.75	0.71	0.72	0.72	1.41%	183,563
Sep 5, 2025	0.74	0.74	0.71	0.71	0.71	-2.74%	63,280
Sep 4, 2025	0.74	0.74	0.70	0.73	0.73	-	142,979
Sep 3, 2025	0.63	0.73	0.63	0.73	0.73	16.33%	301,087
Sep 2, 2025	0.60	0.64	0.60	0.63	0.63	4.76%	215,560
Aug 29, 2025	0.57	0.61	0.56	0.60	0.60	8.89%	362,061
Aug 28, 2025	0.56	0.57	0.55	0.55	0.55	0.02%	40,050
Aug 27, 2025	0.55	0.57	0.51	0.55	0.55	-3.64%	56,264
Aug 26, 2025	0.57	0.57	0.56	0.57	0.57	1.91%	37,300
Aug 25, 2025	0.58	0.58	0.54	0.56	0.56	-1.74%	120,965
Aug 22, 2025	0.58	0.58	0.56	0.57	0.57	-0.87%	8,168
Aug 21, 2025	0.56	0.58	0.56	0.58	0.58	4.55%	12,000
Aug 20, 2025	0.57	0.58	0.55	0.55	0.55	-3.51%	77,100
Aug 19, 2025	0.57	0.58	0.55	0.57	0.57	-0.82%	233,638
Aug 18, 2025	0.60	0.60	0.57	0.57	0.57	-3.41%	133,241
Aug 15, 2025	0.63	0.63	0.60	0.60	0.60	-5.25%	211,569