Cyanotech Corporation - CYAN - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 16, 2025	0.29	0.29	0.29	0.29	0.29	1,005
October 15, 2025	0.27	0.34	0.34	0.34	0.27	310
October 14, 2025	0.27	0.29	0.29	0.34	0.27	5,400
October 13, 2025	0.33	0.33	0.33	0.33	0.33	0
October 10, 2025	0.33	0.33	0.33	0.33	0.33	500
October 09, 2025	0.33	0.33	0.33	0.33	0.33	700
October 08, 2025	0.34	0.34	0.34	0.34	0.34	0
October 07, 2025	0.34	0.34	0.34	0.34	0.34	200
October 06, 2025	0.33	0.33	0.33	0.34	0.33	7,801
October 03, 2025	0.33	0.33	0.33	0.33	0.33	1,705
October 02, 2025	0.35	0.34	0.34	0.35	0.29	900
October 01, 2025	0.3	0.3	0.3	0.3	0.3	101
September 30, 2025	0.35	0.3	0.3	0.35	0.3	7,800
September 29, 2025	0.35	0.35	0.35	0.35	0.35	200
September 26, 2025	0.33	0.33	0.33	0.33	0.33	7,800
September 25, 2025	0.3	0.3	0.3	0.3	0.3	300
September 24, 2025	0.29	0.3	0.3	0.3	0.29	5,300
September 23, 2025	0.29	0.29	0.29	0.3	0.29	8,900
September 22, 2025	0.27	0.29	0.29	0.29	0.27	2,000
September 19, 2025	0.27	0.27	0.27	0.27	0.27	10
September 18, 2025	0.27	0.3	0.3	0.33	0.27	29,400
September 17, 2025	0.27	0.27	0.27	0.27	0.27	0
September 16, 2025	0.28	0.27	0.27	0.28	0.24	72,100
September 15, 2025	0.28	0.28	0.28	0.28	0.28	1,000
September 12, 2025	0.29	0.29	0.29	0.29	0.27	3,400
September 11, 2025	0.3	0.3	0.3	0.3	0.29	3,800
September 10, 2025	0.26	0.3	0.3	0.3	0.26	3,500
September 09, 2025	0.25	0.26	0.26	0.27	0.25	40,000
September 08, 2025	0.3	0.3	0.3	0.3	0.3	0
September 05, 2025	0.28	0.25	0.25	0.28	0.25	3,500
September 04, 2025	0.28	0.29	0.29	0.29	0.28	400
September 03, 2025	0.28	0.28	0.28	0.28	0.28	100
September 02, 2025	0.28	0.28	0.28	0.28	0.28	600
August 29, 2025	0.34	0.34	0.34	0.34	0.34	200
August 28, 2025	0.32	0.28	0.28	0.32	0.28	2,200
August 27, 2025	0.29	0.29	0.29	0.29	0.29	0
August 26, 2025	0.29	0.29	0.29	0.29	0.29	7
August 25, 2025	0.28	0.29	0.29	0.29	0.28	700
August 22, 2025	0.29	0.32	0.32	0.32	0.29	1,100
August 21, 2025	0.3	0.3	0.3	0.3	0.3	2,000
August 20, 2025	0.3	0.3	0.3	0.3	0.3	2,000
August 19, 2025	0.27	0.3	0.3	0.33	0.27	10,274
August 18, 2025	0.3	0.3	0.3	0.3	0.3	3,000
August 15, 2025	0.3	0.3	0.3	0.3	0.3	0
August 14, 2025	0.3	0.3	0.3	0.3	0.3	100
August 13, 2025	0.3	0.3	0.3	0.3	0.3	200
August 12, 2025	0.25	0.36	0.36	0.36	0.25	1,500
August 11, 2025	0.36	0.42	0.42	0.42	0.3	3,400
August 08, 2025	0.21	0.42	0.42	0.42	0.21	48,400
August 07, 2025	0.35	0.33	0.33	0.36	0.33	22,800
August 06, 2025	0.38	0.39	0.39	0.39	0.36	15,800
August 05, 2025	0.37	0.37	0.37	0.37	0.37	0
August 04, 2025	0.37	0.37	0.37	0.4	0.37	7,400
August 01, 2025	0.39	0.37	0.37	0.39	0.37	1,500
July 31, 2025	0.38	0.37	0.37	0.38	0.37	1,200
July 30, 2025	0.39	0.39	0.39	0.39	0.39	200
July 29, 2025	0.37	0.41	0.41	0.41	0.37	2,000
July 28, 2025	0.38	0.38	0.38	0.38	0.38	3,100
July 25, 2025	0.38	0.39	0.39	0.42	0.38	3,700
July 24, 2025	0.43	0.43	0.43	0.43	0.38	1,300

Cyanotech Corporation (CYAN) OTC