Cyanotech Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jul 9, 2025	0.41	0.46	0.37	0.46	0.46	13.76%	23,291
Jul 8, 2025	0.42	0.42	0.36	0.40	0.40	-2.07%	620
Jul 7, 2025	0.41	0.41	0.41	0.41	0.41	14.03%	200
Jul 3, 2025	0.36	0.36	0.36	0.36	0.36	-10.00%	5,000
Jul 2, 2025	0.40	0.40	0.34	0.40	0.40	-	4,200
Jul 1, 2025	0.33	0.40	0.33	0.40	0.40	19.76%	13,200
Jun 30, 2025	0.42	0.42	0.33	0.33	0.33	-16.50%	11,950
Jun 27, 2025	0.40	0.40	0.40	0.40	0.40	13.64%	1,000
Jun 26, 2025	0.35	0.35	0.35	0.35	0.35	-	-
Jun 25, 2025	0.35	0.35	0.35	0.35	0.35	-	3
Jun 24, 2025	0.35	0.35	0.35	0.35	0.35	-	-
Jun 23, 2025	0.35	0.35	0.35	0.35	0.35	-	115
Jun 20, 2025	0.36	0.36	0.35	0.35	0.35	-2.06%	760
Jun 18, 2025	0.36	0.36	0.36	0.36	0.36	-	25
Jun 17, 2025	0.42	0.42	0.36	0.36	0.36	-7.85%	22,786
Jun 16, 2025	0.39	0.39	0.39	0.39	0.39	-	1,333
Jun 13, 2025	0.39	0.39	0.39	0.39	0.39	-5.12%	273
Jun 12, 2025	0.41	0.41	0.41	0.41	0.41	-2.14%	296
Jun 11, 2025	0.41	0.42	0.40	0.42	0.42	4.50%	25,228
Jun 10, 2025	0.40	0.40	0.40	0.40	0.40	-4.28%	1,000
Jun 9, 2025	0.37	0.42	0.35	0.42	0.42	4.97%	44,586
Jun 6, 2025	0.40	0.40	0.40	0.40	0.40	-1.24%	329
Jun 5, 2025	0.42	0.42	0.36	0.41	0.41	-2.85%	2,900
Jun 4, 2025	0.42	0.42	0.42	0.42	0.42	-0.12%	1,707
Jun 3, 2025	0.38	0.42	0.32	0.42	0.42	2.45%	25,887
Jun 2, 2025	0.38	0.41	0.36	0.41	0.41	0.62%	4,164
May 30, 2025	0.40	0.41	0.40	0.40	0.40	-1.12%	44,170
May 29, 2025	0.41	0.41	0.41	0.41	0.41	-	-
May 28, 2025	0.41	0.41	0.41	0.41	0.41	2.37%	300
May 27, 2025	0.40	0.40	0.36	0.40	0.40	-2.32%	948
May 23, 2025	0.38	0.41	0.34	0.41	0.41	2.37%	19,570
May 22, 2025	0.39	0.41	0.36	0.40	0.40	5.26%	42,052
May 21, 2025	0.32	0.38	0.32	0.38	0.38	8.57%	20,711
May 20, 2025	0.35	0.40	0.35	0.35	0.35	9.03%	7,120
May 19, 2025	0.32	0.32	0.32	0.32	0.32	0.28%	145
May 16, 2025	0.34	0.34	0.32	0.32	0.32	-19.98%	10,600
May 15, 2025	0.35	0.40	0.33	0.40	0.40	14.29%	5,700
May 14, 2025	0.33	0.35	0.33	0.35	0.35	8.70%	779
May 13, 2025	0.35	0.36	0.32	0.32	0.32	-14.09%	7,867
May 12, 2025	0.41	0.41	0.35	0.37	0.37	-10.76%	22,715
May 9, 2025	0.42	0.42	0.42	0.42	0.42	-	10
May 8, 2025	0.42	0.42	0.42	0.42	0.42	-2.33%	150
May 7, 2025	0.43	0.43	0.43	0.43	0.43	-	-
May 6, 2025	0.43	0.43	0.43	0.43	0.43	-	-
May 5, 2025	0.43	0.43	0.43	0.43	0.43	-	-
May 2, 2025	0.39	0.44	0.39	0.43	0.43	19.53%	22,500
May 1, 2025	0.48	0.48	0.35	0.36	0.36	9.51%	4,767
Apr 30, 2025	0.32	0.44	0.32	0.33	0.33	10.79%	562
Apr 29, 2025	0.30	0.30	0.30	0.30	0.30	-	-
Apr 28, 2025	0.30	0.30	0.30	0.30	0.30	-	30