Cyanotech Corporation (CYAN) Historical Stock Data

0.47 ↓0.10 (-18.12%)

As of February 16, 2024, 9:59am EST.

Historical Data

In the past 30 trading days, CYAN is up 11.15% a day on average. There have been 26 days where Cyanotech Corporation closed green and 4 days where CYAN closed red.

Date	Open	Close	Change	Low	High	Volume
2025-12-05	0.40	0.47	↑$0.07 (17.50%)	0.40	0.47	17.35K
2025-12-02	0.34	0.57	↑$0.23 (68.67%)	0.34	0.57	2.92K
2025-11-25	0.34	0.34	↓$0.00 (-0.71%)	0.34	0.34	4.92K
2025-11-21	0.34	0.34	↑$0.00 (0.36%)	0.34	0.45	2.73K
2025-11-14	0.32	0.40	↑$0.08 (25.00%)	0.32	0.40	6.04K
2025-11-12	0.33	0.39	↑$0.06 (18.73%)	0.30	0.40	700
2025-10-30	0.32	0.32	↑$0.00 (0.00%)	0.32	0.32	686
2025-10-24	0.33	0.28	↓$0.05 (-15.15%)	0.26	0.33	9.35K
2025-10-06	0.33	0.33	↑$0.00 (0.00%)	0.33	0.34	7.80K
2025-10-03	0.33	0.33	↑$0.00 (0.00%)	0.33	0.33	1.71K
2025-10-01	0.30	0.30	↑$0.00 (0.00%)	0.30	0.30	101
2025-09-30	0.35	0.30	↓$0.05 (-13.33%)	0.30	0.35	392
2025-09-29	0.35	0.35	↑$0.00 (0.00%)	0.35	0.35	181
2025-09-26	0.33	0.35	↑$0.02 (7.10%)	0.33	0.35	8.03K
2025-09-18	0.27	0.30	↑$0.03 (10.00%)	0.27	0.33	29.36K
2025-09-12	0.29	0.29	↑$0.00 (0.86%)	0.27	0.29	3.43K
2025-09-10	0.26	0.30	↑$0.04 (15.38%)	0.26	0.30	3.50K
2025-09-05	0.28	0.30	↑$0.02 (7.14%)	0.25	0.30	4.80K
2025-09-03	0.28	0.28	↑$0.00 (0.00%)	0.28	0.28	100
2025-08-29	0.34	0.34	↑$0.00 (0.00%)	0.34	0.34	150
2025-08-22	0.29	0.32	↑$0.03 (8.97%)	0.29	0.32	1.10K
2025-08-19	0.27	0.30	↑$0.03 (9.89%)	0.27	0.33	10.17K
2025-08-12	0.25	0.36	↑$0.11 (42.63%)	0.25	0.36	1.46K
2025-08-11	0.36	0.42	↑$0.06 (16.67%)	0.30	0.42	3.40K
2025-08-08	0.21	0.42	↑$0.21 (100.00%)	0.21	0.42	48.40K
2025-08-01	0.39	0.37	↓$0.02 (-3.90%)	0.37	0.39	1.50K
2025-07-25	0.38	0.39	↑$0.01 (3.92%)	0.38	0.42	3.70K
2025-07-24	0.43	0.43	↑$0.00 (0.00%)	0.38	0.43	1.30K
2025-07-22	0.39	0.42	↑$0.03 (7.12%)	0.39	0.42	784
2025-07-18	0.39	0.42	↑$0.03 (7.67%)	0.39	0.42	2.48K