Birchtech Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 18, 2026	1.45	1.46	1.32	1.43	1.43	-3.38%	98,575
May 15, 2026	1.57	1.57	1.44	1.48	1.48	-5.73%	78,492
May 14, 2026	1.34	1.58	1.34	1.57	1.57	17.16%	239,785
May 13, 2026	1.29	1.47	1.29	1.34	1.34	1.52%	226,894
May 12, 2026	1.34	1.35	1.30	1.32	1.32	-1.49%	69,732
May 11, 2026	1.40	1.40	1.26	1.34	1.34	-4.29%	146,110
May 8, 2026	1.40	1.48	1.28	1.40	1.40	-0.71%	190,545
May 7, 2026	1.50	1.52	1.29	1.41	1.41	-6.62%	340,505
May 6, 2026	1.60	1.61	1.50	1.51	1.51	-7.36%	124,020
May 5, 2026	1.61	1.66	1.56	1.63	1.63	0.62%	218,466
May 4, 2026	1.76	1.79	1.51	1.62	1.62	1.89%	663,034
May 1, 2026	1.64	1.70	1.59	1.59	1.59	-1.24%	699,278
Apr 30, 2026	1.60	1.75	1.54	1.61	1.61	2.55%	372,382
Apr 29, 2026	1.50	1.65	1.50	1.57	1.57	6.08%	78,827
Apr 28, 2026	1.59	1.62	1.48	1.48	1.48	-6.92%	91,079
Apr 27, 2026	1.56	1.63	1.54	1.59	1.59	2.58%	197,772
Apr 24, 2026	1.55	1.70	1.52	1.55	1.55	1.97%	642,377
Apr 23, 2026	1.52	1.53	1.50	1.52	1.52	0.66%	119,938
Apr 22, 2026	1.53	1.54	1.48	1.51	1.51	-1.95%	89,904
Apr 21, 2026	1.52	1.54	1.47	1.54	1.54	1.99%	98,803
Apr 20, 2026	1.59	1.61	1.46	1.51	1.51	-6.79%	167,991
Apr 17, 2026	1.69	1.75	1.60	1.62	1.62	-3.57%	77,684
Apr 16, 2026	1.82	1.91	1.68	1.68	1.68	-7.69%	126,449
Apr 15, 2026	1.76	1.91	1.76	1.82	1.82	1.11%	84,746
Apr 14, 2026	1.79	1.86	1.68	1.80	1.80	4.05%	65,088
Apr 13, 2026	1.67	1.79	1.63	1.73	1.73	4.22%	162,490
Apr 10, 2026	1.71	1.79	1.61	1.66	1.66	-4.60%	243,272
Apr 9, 2026	1.88	1.88	1.68	1.74	1.74	-7.94%	105,000
Apr 8, 2026	1.92	1.96	1.82	1.89	1.89	0.53%	55,210
Apr 7, 2026	1.93	1.93	1.78	1.88	1.88	-3.59%	52,903
Apr 6, 2026	1.85	1.95	1.62	1.95	1.95	4.84%	205,403
Apr 2, 2026	1.92	2.03	1.80	1.86	1.86	-3.63%	118,555
Apr 1, 2026	1.84	1.97	1.84	1.93	1.93	1.58%	76,349
Mar 31, 2026	1.87	1.93	1.83	1.90	1.90	1.60%	110,761
Mar 30, 2026	1.94	1.98	1.77	1.87	1.87	-2.09%	197,197
Mar 27, 2026	2.08	2.14	1.85	1.91	1.91	-6.83%	54,437
Mar 26, 2026	2.14	2.14	2.05	2.05	2.05	-0.97%	49,897
Mar 25, 2026	2.11	2.17	2.07	2.07	2.07	-0.96%	22,104
Mar 24, 2026	2.11	2.23	2.08	2.09	2.09	-	24,816
Mar 23, 2026	2.15	2.20	2.09	2.09	2.09	-2.34%	114,744
Mar 20, 2026	2.17	2.18	2.10	2.14	2.14	-	30,046
Mar 19, 2026	2.16	2.18	2.11	2.14	2.14	-1.83%	99,526
Mar 18, 2026	2.16	2.34	2.13	2.18	2.18	0.93%	141,990
Mar 17, 2026	2.14	2.25	2.14	2.16	2.16	1.41%	53,194
Mar 16, 2026	2.14	2.20	2.13	2.13	2.13	1.43%	26,904
Mar 13, 2026	2.32	2.32	2.10	2.10	2.10	-8.30%	138,690
Mar 12, 2026	2.27	2.40	2.27	2.29	2.29	-1.29%	70,025
Mar 11, 2026	2.41	2.41	2.27	2.32	2.32	-3.33%	74,461
Mar 10, 2026	2.32	2.41	2.25	2.40	2.40	3.45%	124,764
Mar 9, 2026	2.40	2.40	2.22	2.32	2.32	-1.28%	69,319