Cyanotech Corporation

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

You can watch CYAN and buy or sell other stocks, ETFs, and their options commission-free!

About CYAN

Cyanotech Corp. engages in the cultivation, production, and sale of natural products derived from microalgae for the health and human nutrition markets worldwide. Its products include BioAstin Hawaiian Astaxanthin, a dietary antioxidant, which is used as a human dietary supplement and dietary ingredient to support and maintain the body's natural inflammatory response, enhance skin, and support eye, joint, and immune health, and Hawaiian Spirulina Pacifica, a nutrient-rich dietary supplement that is used for extra energy, a strengthened immune system, cardiovascular benefits, and as a source of antioxidant carotenoids. 

CEO
Matthew K. Custer
CEOMatthew K. Custer
Employees
83
Employees83
Headquarters
Kailua-Kona, Hawaii
HeadquartersKailua-Kona, Hawaii
Founded
1983
Founded1983
Employees
83
Employees83

CYAN Key Statistics

Market cap
2.22M
Market cap2.22M
Price-Earnings ratio
-1.66
Price-Earnings ratio-1.66
Dividend yield
Dividend yield
Average volume
355.00
Average volume355.00
High today
$0.30
High today$0.30
Low today
$0.2325
Low today$0.2325
Open price
$0.30
Open price$0.30
Volume
5.50K
Volume5.50K
52 Week high
$0.574
52 Week high$0.574
52 Week low
$0.21
52 Week low$0.21

Stock Snapshot

As of today, Cyanotech Corporation(CYAN) shares are valued at $0.30. The company's market cap stands at 2.22M, with a P/E ratio of -1.66.

On 2026-04-03, Cyanotech Corporation(CYAN) stock moved within a range of $0.23 to $0.30. With shares now at $0.30, the stock is trading +29.0% above its intraday low and 0.0% below the session's peak.

Trading volume for Cyanotech Corporation(CYAN) stock has reached 5.5K, versus its average volume of 355.

The stock's 52-week range extends from a low of $0.21 to a high of $0.57.

The stock's 52-week range extends from a low of $0.21 to a high of $0.57.

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.