Cyanotech Corporation (CYAN)
NASDAQ · Consumer Defensive
Cyanotech Corporation Stock Price History 2010–2025
Cyanotech Corporation
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Historical daily closing price for Cyanotech Corporation since 2006, adjusted for splits and dividends. The latest closing stock price for Cyanotech Corporation as of June 9, 2026 is 0.44.
- The all-time high Cyanotech Corporation stock closing price was 11.35 on March 13, 2012.
- The Cyanotech Corporation 52-week high stock price is 0.57, which is 29.5% above the current share price.
- The Cyanotech Corporation 52-week low stock price is 0.26, which is 40.9% below the current share price.
- The average Cyanotech Corporation stock price for the last 52 weeks is 0.38.
Annual Close Price
YEAR-END CLOSE · USD
ANNUAL % CHANGE · %
| Year | Average | Year Open | Year High | Year Low | Year Close | Annual % Change |
|---|---|---|---|---|---|---|
| 2026 | 0.41 | 0.44 | 0.55 | 0.29 | 0.44 | -2.22% |
| 2025 | 0.36 | 0.36 | 0.57 | 0.23 | 0.45 | +25.00% |
| 2024 | 0.51 | 0.89 | 0.94 | 0.21 | 0.36 | -59.55% |
| 2023 | 0.94 | 1.04 | 1.44 | 0.63 | 0.89 | -19.09% |
| 2022 | 2.54 | 3.24 | 3.46 | 0.92 | 1.10 | -66.05% |
| 2021 | 3.19 | 3.22 | 4.14 | 2.72 | 3.24 | +6.58% |
| 2020 | 2.45 | 2.29 | 3.17 | 1.90 | 3.04 | +32.75% |
| 2019 | 2.86 | 3.07 | 4.05 | 2.21 | 2.29 | -24.17% |
| 2018 | 4.00 | 3.90 | 5.63 | 3.02 | 3.02 | -22.76% |
| 2017 | 4.06 | 4.70 | 5.10 | 3.25 | 3.91 | -9.07% |
| 2016 | 4.52 | 5.11 | 5.65 | 3.43 | 4.30 | -18.10% |
Cyanotech Corporation Stock Price History — FAQ
Cyanotech Corporation (CYAN) stock price history over the last 16 years — annual and quarterly figures with year-over-year growth and charts.
Where can I see CYAN's stock price history history?
The chart and table above show Cyanotech Corporation's stock price history by year and by quarter, including the growth rate.