Stock listing
OTC:CYAN Cyanotech Corporation Stock
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Share price · OTC:CYAN
$0.61 USD 0.00 (0.0%)
Close on Oct 30, 2026
- Day range
- $0.61 – $0.61 USDOct 30, 2026
- Volume
- 19 sharesOct 30, 2026
- 52-week range
- $0.23 – $0.78 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $2,123 USDMedian day 500 shares · 26 days with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · OTC:CYAN · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $0.61 | 0.00 | 0.0% | $0.61 | $0.61 | $0.61 | 19 | |
| $0.61 | -0.017 | -2.7% | $0.57 | $0.61 | $0.57 | 5,000 | |
| $0.627 | -0.003 | -0.5% | $0.627 | $0.627 | $0.627 | 200 | |
| $0.63 | 0.00 | 0.0% | $0.63 | $0.63 | $0.63 | 0 | |
| $0.63 | +0.05 | +8.6% | $0.57 | $0.63 | $0.57 | 3,800 | |
| $0.58 | -0.08 | -12.1% | $0.65 | $0.65 | $0.58 | 4,700 | |
| $0.66 | -0.04 | -5.7% | $0.72 | $0.72 | $0.66 | 400 | |
| $0.70 | 0.00 | 0.0% | $0.70 | $0.70 | $0.70 | 0 | |
| $0.70 | 0.00 | 0.0% | $0.70 | $0.70 | $0.70 | 0 | |
| $0.70 | 0.00 | 0.0% | $0.70 | $0.70 | $0.70 | 0 | |
| $0.70 | +0.01 | +1.4% | $0.78 | $0.78 | $0.70 | 2,000 | |
| $0.69 | +0.02 | +3.0% | $0.78 | $0.78 | $0.69 | 7,000 | |
| $0.67 | -0.11 | -14.1% | $0.67 | $0.78 | $0.67 | 13,100 | |
| $0.78 | +0.04 | +5.4% | $0.75 | $0.78 | $0.75 | 13,300 | |
| $0.74 | +0.21 | +39.6% | $0.50 | $0.74 | $0.50 | 12,100 | |
| $0.53 | 0.00 | 0.0% | $0.53 | $0.53 | $0.53 | 0 | |
| $0.53 | +0.13 | +32.5% | $0.50 | $0.55 | $0.50 | 17,000 | |
| $0.40 | -0.01 | -2.4% | $0.41 | $0.55 | $0.40 | 12,100 | |
| $0.41 | +0.06 | +17.1% | $0.31 | $0.53 | $0.31 | 15,900 | |
| $0.35 | -0.03 | -7.9% | $0.31 | $0.38 | $0.31 | 21,800 | |
| $0.38 | -0.04 | -9.5% | $0.36 | $0.38 | $0.36 | 1,100 | |
| $0.42 | 0.00 | 0.0% | $0.42 | $0.42 | $0.42 | 0 | |
| $0.42 | -0.07 | -14.3% | $0.42 | $0.42 | $0.42 | 2,500 | |
| $0.49 | 0.00 | 0.0% | $0.49 | $0.49 | $0.49 | 0 | |
| $0.49 | 0.00 | 0.0% | $0.49 | $0.49 | $0.49 | 0 | |
| $0.49 | 0.00 | 0.0% | $0.49 | $0.49 | $0.49 | 0 | |
| $0.49 | 0.00 | 0.0% | $0.49 | $0.49 | $0.49 | 0 | |
| $0.49 | +0.03 | +6.5% | $0.42 | $0.49 | $0.42 | 10,100 | |
| $0.46 | 0.00 | 0.0% | $0.46 | $0.46 | $0.46 | 0 | |
| $0.46 | -0.05 | -9.8% | $0.42 | $0.46 | $0.42 | 2,900 | |
| $0.51 | 0.00 | 0.0% | $0.51 | $0.51 | $0.51 | 0 | |
| $0.51 | +0.02 | +4.1% | $0.51 | $0.51 | $0.51 | 6,600 | |
| $0.49 | 0.00 | 0.0% | $0.49 | $0.49 | $0.49 | 0 | |
| $0.49 | 0.00 | 0.0% | $0.49 | $0.49 | $0.49 | 2,000 | |
| $0.49 | -0.02 | -3.9% | $0.50 | $0.51 | $0.49 | 3,800 | |
| $0.51 | 0.00 | 0.0% | $0.51 | $0.51 | $0.51 | 0 | |
| $0.51 | +0.02 | +4.1% | $0.51 | $0.51 | $0.51 | 100 | |
| $0.49 | -0.04 | -7.5% | $0.51 | $0.51 | $0.49 | 2,100 | |
| $0.53 | +0.02 | +3.9% | $0.46 | $0.53 | $0.46 | 11,600 | |
| $0.51 | +0.09 | +21.4% | $0.51 | $0.51 | $0.51 | 1,200 | |
| $0.42 | 0.00 | 0.0% | $0.42 | $0.42 | $0.42 | 0 | |
| $0.42 | -0.08 | -16.0% | $0.42 | $0.42 | $0.42 | 900 | |
| $0.50 | +0.05 | +11.1% | $0.53 | $0.53 | $0.35 | 50,500 | |
| $0.45 | 0.00 | 0.0% | $0.45 | $0.45 | $0.45 | 0 | |
| $0.45 | 0.00 | 0.0% | $0.45 | $0.45 | $0.45 | 500 | |
| $0.45 | 0.00 | 0.0% | $0.49 | $0.50 | $0.45 | 19,300 | |
| $0.45 | 0.00 | 0.0% | $0.45 | $0.45 | $0.45 | 0 | |
| $0.45 | 0.00 | 0.0% | $0.45 | $0.45 | $0.45 | 0 | |
| $0.45 | 0.00 | 0.0% | $0.45 | $0.45 | $0.45 | 0 | |
| $0.45 | 0.00 | 0.0% | $0.45 | $0.45 | $0.45 | 0 | |
| $0.45 | -0.04 | -8.2% | $0.46 | $0.46 | $0.45 | 9,300 | |
| $0.49 | 0.00 | 0.0% | $0.49 | $0.49 | $0.49 | 0 | |
| $0.49 | +0.03 | +6.5% | $0.49 | $0.49 | $0.49 | 500 | |
| $0.46 | 0.00 | 0.0% | $0.50 | $0.50 | $0.46 | 1,400 | |
| $0.46 | 0.00 | 0.0% | $0.46 | $0.46 | $0.46 | 0 | |
| $0.46 | -0.07 | -13.2% | $0.48 | $0.53 | $0.46 | 3,700 | |
| $0.53 | 0.00 | 0.0% | $0.53 | $0.53 | $0.53 | 100 | |
| $0.53 | +0.04 | +8.2% | $0.53 | $0.53 | $0.53 | 1,900 | |
| $0.49 | -0.04 | -7.5% | $0.49 | $0.49 | $0.49 | 700 | |
| $0.53 | 0.00 | 0.0% | $0.43 | $0.53 | $0.43 | 800 | |
| $0.53 | 0.00 | 0.0% | $0.53 | $0.53 | $0.53 | 0 | |
| $0.53 | 0.00 | 0.0% | $0.53 | $0.53 | $0.53 | 0 | |
| $0.53 | 0.00 | 0.0% | $0.53 | $0.53 | $0.53 | 0 | |
| $0.53 | 0.00 | 0.0% | $0.53 | $0.53 | $0.53 | 0 |
- Ticker
- OTC:CYAN
- Asset type
- Stock
- Exchange
- OTC
- Currency
- USD
Decks
Technical Presentation (2006)
Technical · 41 slides · Oct 16, 2006
Investor Presentation (January 2005)
Investor deck · 35 slides · Jan 27, 2005
Investor Presentation (September 2004)
Investor deck · 42 slides · September 2004
Cyanotech Corporation on 6ix
- Decks
- 3 decks · latest Oct 16, 2006
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