Cyanotech Corporation (CYAN) Stock Chart
CYAN price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
CYAN performance vs the market
Total return, dividends reinvestedCYAN monthly returns
CYAN historical prices
CYAN dividends & splits
About the CYAN chart
Cyanotech (CYAN) closed at $0.65 on October 21, 2026, up 44.4% so far this year. The stock is trading 43.2% above its 200-day moving average of $0.45, which technical analysts usually read as a long-term uptrend. Over the past year CYAN returned +91.2% including dividends, ahead of the S&P 500 (+16.4%).
This page charts the full trading history of Cyanotech Corporation stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the CYAN stock overview.
CYAN chart FAQ
What is Cyanotech's all-time high stock price?
The highest closing price for CYAN was $55.50 on November 27, 1995 (adjusted for stock splits). As of the October 21, 2026 close it traded 98.8% below that level.
What is the 52-week range of CYAN stock?
Over the 52 weeks to October 21, 2026, CYAN traded between an intraday low of $0.23 on March 31, 2026 and an intraday high of $0.78 on October 9, 2026.
Is CYAN above its 200-day moving average?
Yes. On October 21, 2026 CYAN closed at $0.65, 43.2% above its 200-day simple moving average of $0.45. The 50-day average was $0.51.
How has CYAN stock performed compared with the S&P 500?
Including reinvested dividends, CYAN returned +91.2% over the past year, compared with +16.4% for the S&P 500 (SPY). Over five years the figures were −78.7% and +82.2%.
Does Cyanotech pay a dividend?
Cyanotech has not paid a dividend in the past 12 months.
Has CYAN stock ever split?
CYAN has split its stock 2 times: 1:5 (December 31, 1990), 1:4 (November 6, 2006). Prices on this chart are adjusted for all splits.
How do I read the CYAN chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots CYAN against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.