Protagenic Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 24, 2026	0.73	0.82	0.73	0.81	0.81	11.91%	21,292
Apr 23, 2026	0.69	0.77	0.67	0.72	0.72	4.93%	13,055
Apr 22, 2026	0.66	0.69	0.66	0.69	0.69	4.52%	3,077
Apr 21, 2026	0.53	0.68	0.53	0.66	0.66	20.02%	14,936
Apr 20, 2026	0.57	0.57	0.53	0.55	0.55	-3.49%	6,302
Apr 17, 2026	0.56	0.57	0.54	0.57	0.57	2.67%	2,423
Apr 16, 2026	0.54	0.56	0.54	0.56	0.56	4.72%	1,666
Apr 15, 2026	0.56	0.57	0.53	0.53	0.53	-5.20%	4,660
Apr 14, 2026	0.55	0.56	0.55	0.56	0.56	1.65%	1,472
Apr 13, 2026	0.59	0.59	0.55	0.55	0.55	-5.98%	5,499
Apr 10, 2026	0.65	0.65	0.59	0.59	0.59	-15.19%	1,407
Apr 8, 2026	0.53	0.70	0.53	0.69	0.69	30.15%	9,451
Apr 7, 2026	0.53	0.70	0.53	0.53	0.53	-	2,631
Apr 6, 2026	0.53	0.53	0.53	0.53	0.53	-	495
Apr 2, 2026	0.57	0.72	0.52	0.53	0.53	-7.03%	7,284
Apr 1, 2026	0.52	0.68	0.52	0.57	0.57	-15.85%	1,311
Mar 31, 2026	0.63	0.73	0.63	0.68	0.68	8.40%	3,561
Mar 30, 2026	0.59	0.68	0.59	0.63	0.63	20.19%	1,464
Mar 27, 2026	0.69	0.74	0.52	0.52	0.52	-30.67%	1,220
Mar 26, 2026	0.50	0.75	0.50	0.75	0.75	7.14%	6,238
Mar 25, 2026	0.72	0.76	0.60	0.70	0.70	-	12,865
Mar 24, 2026	0.70	0.70	0.70	0.70	0.70	-2.78%	354
Mar 23, 2026	0.68	0.72	0.68	0.72	0.72	9.09%	457
Mar 20, 2026	0.62	0.73	0.62	0.66	0.66	6.45%	5,422
Mar 19, 2026	0.70	0.73	0.62	0.62	0.62	-10.79%	3,408
Mar 18, 2026	0.56	0.71	0.56	0.70	0.70	28.11%	23,594
Mar 17, 2026	0.55	0.56	0.54	0.54	0.54	10.69%	2,202
Mar 12, 2026	0.52	0.52	0.49	0.49	0.49	-	2,327
Mar 10, 2026	0.45	0.60	0.45	0.49	0.49	16.39%	20,322
Mar 9, 2026	0.45	0.54	0.42	0.42	0.42	-	4,570
Mar 5, 2026	0.42	0.45	0.42	0.42	0.42	-15.78%	7,461
Mar 3, 2026	0.45	0.50	0.45	0.50	0.50	10.94%	2,974
Mar 2, 2026	0.45	0.47	0.45	0.45	0.45	-3.08%	6,549
Feb 27, 2026	0.45	0.47	0.45	0.47	0.47	-	1,989
Feb 26, 2026	0.45	0.50	0.45	0.47	0.47	13.94%	16,276
Feb 25, 2026	0.39	0.47	0.38	0.41	0.41	-3.95%	31,539
Feb 24, 2026	0.46	0.46	0.42	0.42	0.42	-5.58%	11,474
Feb 23, 2026	0.43	0.50	0.43	0.45	0.45	7.02%	5,735
Feb 20, 2026	0.42	0.42	0.42	0.42	0.42	-10.95%	405
Feb 19, 2026	0.39	0.51	0.35	0.47	0.47	12.43%	11,924
Feb 18, 2026	0.35	0.49	0.35	0.42	0.42	20.00%	7,748
Feb 17, 2026	0.40	0.40	0.35	0.35	0.35	-12.50%	3,193
Feb 13, 2026	0.40	0.40	0.40	0.40	0.40	-15.29%	9,026
Feb 12, 2026	0.46	0.47	0.25	0.47	0.47	-3.63%	41,799
Feb 11, 2026	0.42	0.49	0.42	0.49	0.49	28.95%	12,731
Feb 10, 2026	0.51	0.51	0.36	0.38	0.38	-4.45%	8,578
Feb 9, 2026	0.34	0.47	0.34	0.40	0.40	-0.58%	2,989
Feb 6, 2026	0.40	0.41	0.37	0.40	0.40	-0.67%	17,760
Feb 5, 2026	0.47	0.50	0.40	0.40	0.40	-17.80%	6,713
Feb 4, 2026	0.45	0.51	0.31	0.49	0.49	0.39%	17,830