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Video: Compound Annual Growth Rate (CAGR) Definition
CYAN Historical Price Range
Date Open High Low Close Volume
09/04/2026 $0.51 $0.51 $0.49 $0.49 2.10K
09/08/2026 $0.51 $0.51 $0.51 $0.51 100
09/09/2026 $0.51 $0.51 $0.51 $0.51 0
09/10/2026 $0.50 $0.51 $0.49 $0.49 3.80K
09/11/2026 $0.49 $0.49 $0.49 $0.49 2.00K
About CYAN
Cyanotech is an agricultural company which engaged in the production of natural products derived from microalgae for the dietary supplements market. Co.'s products include: BioAstin® Hawaiian Astaxanthin®, a dietary antioxidant shown to support and maintain the body's natural inflammatory response, to improve skin, and to support eye, joint and immune health; and Hawaiian Spirulina Pacifica®, a dietary supplement used for extra energy, immune system, cardiovascular benefits and as a source of antioxidant carotenoids. Co. operates the cultivation and production of microalgae into natural health and nutrition products.
CYAN historical stock prices picture
CYAN (CYAN) has the following price history information. Looking back at CYAN historical stock prices for the last five trading days, on September 04, 2026, CYAN opened at $0.51, traded as high as $0.51 and as low as $0.49, and closed at $0.49. Trading volume was a total of 2.10K shares. On September 08, 2026, CYAN opened at $0.51, traded as high as $0.51 and as low as $0.51, and closed at $0.51. Trading volume was a total of 100 shares. On September 09, 2026, CYAN opened at $0.51, traded as high as $0.51 and as low as $0.51, and closed at $0.51. Trading volume was a total of 0 shares. On September 10, 2026, CYAN opened at $0.50, traded as high as $0.51 and as low as $0.49, and closed at $0.49. Trading volume was a total of 3.80K shares. On September 11, 2026, CYAN opened at $0.49, traded as high as $0.49 and as low as $0.49, and closed at $0.49. Trading volume was a total of 2.00K shares.

CYAN Historical Stock Prices By Date:

CYAN historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into CYAN shares, starting with a $10,000 purchase of CYAN, and working forward through the historical stock price information to today.

Growth of $10,000.00
Without Dividends Reinvested
Start date: 09/14/2016
End date: 09/11/2026
Start price/share: $3.46
End price/share: $0.49
Dividends collected/share: $0.00
Total return: -85.84%
Average Annual Total Return: -17.76%
Starting investment: $10,000.00
Ending investment: $1,416.00
Years: 10.00
CYAN Historical Closing Prices
Date Close
09/04/2026$0.49
09/08/2026$0.51
09/09/2026$0.51
09/10/2026$0.49
09/11/2026$0.49
Consumer Historical Prices
CYAN is categorized under the Consumer sector; below are some other companies in the same sector:

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Also explore: CYAN shares outstanding history

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