Cyanotech Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
Apr 25, 2025	0.30	0.30	0.30	0.30	0.30	-	134
Apr 24, 2025	0.30	0.30	0.30	0.30	0.30	-	128
Apr 23, 2025	0.30	0.30	0.30	0.30	0.30	1.19%	934
Apr 22, 2025	0.29	0.29	0.29	0.29	0.29	-	5
Apr 21, 2025	0.29	0.29	0.29	0.29	0.29	-12.90%	303
Apr 17, 2025	0.33	0.34	0.33	0.34	0.34	16.97%	22,450
Apr 16, 2025	0.27	0.29	0.24	0.29	0.29	25.04%	72,992
Apr 15, 2025	0.28	0.29	0.23	0.23	0.23	-23.33%	33,790
Apr 14, 2025	0.30	0.31	0.30	0.30	0.30	-6.25%	11,070
Apr 11, 2025	0.32	0.32	0.32	0.32	0.32	6.67%	653
Apr 10, 2025	0.36	0.36	0.27	0.30	0.30	-12.69%	71,092
Apr 9, 2025	0.35	0.35	0.34	0.34	0.34	5.60%	444
Apr 8, 2025	0.31	0.33	0.31	0.33	0.33	6.55%	1,267
Apr 7, 2025	0.31	0.31	0.31	0.31	0.31	-15.14%	222
Apr 4, 2025	0.35	0.36	0.32	0.36	0.36	-13.84%	21,362
Apr 3, 2025	0.42	0.42	0.42	0.42	0.42	19.27%	452
Apr 2, 2025	0.35	0.35	0.35	0.35	0.35	-	151
Apr 1, 2025	0.35	0.35	0.35	0.35	0.35	0.06%	500
Mar 31, 2025	0.35	0.35	0.35	0.35	0.35	-	-
Mar 28, 2025	0.35	0.35	0.35	0.35	0.35	-16.27%	2,728
Mar 27, 2025	0.42	0.42	0.42	0.42	0.42	-	-
Mar 26, 2025	0.42	0.42	0.42	0.42	0.42	-	10
Mar 25, 2025	0.42	0.42	0.42	0.42	0.42	-	7
Mar 24, 2025	0.42	0.42	0.42	0.42	0.42	-	150
Mar 21, 2025	0.42	0.42	0.42	0.42	0.42	-	-
Mar 20, 2025	0.42	0.42	0.42	0.42	0.42	12.97%	201
Mar 19, 2025	0.37	0.37	0.37	0.37	0.37	0.82%	785
Mar 18, 2025	0.40	0.40	0.37	0.37	0.37	-12.20%	1,229
Mar 17, 2025	0.35	0.42	0.35	0.42	0.42	8.85%	930
Mar 14, 2025	0.38	0.38	0.38	0.38	0.38	-	79
Mar 13, 2025	0.38	0.38	0.38	0.38	0.38	-8.13%	2,000
Mar 12, 2025	0.42	0.42	0.42	0.42	0.42	13.90%	110
Mar 11, 2025	0.37	0.37	0.37	0.37	0.37	-0.81%	10
Mar 10, 2025	0.36	0.37	0.36	0.37	0.37	2.78%	487
Mar 7, 2025	0.38	0.38	0.36	0.36	0.36	-4.74%	2,526
Mar 6, 2025	0.42	0.43	0.38	0.38	0.38	-8.14%	12,005
Mar 5, 2025	0.41	0.41	0.41	0.41	0.41	21.00%	611
Mar 4, 2025	0.35	0.35	0.34	0.34	0.34	-2.86%	5,539
Mar 3, 2025	0.36	0.36	0.35	0.35	0.35	-3.91%	3,695