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Cyanotech (CYAN) Stock Chart & Stock Price History

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$0.51 0.00 (0.00%)
As of 09/15/2026 12:06 PM Eastern

Cyanotech Stock Price Performance

The Cyanotech (CYAN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 88.89%, with a year-to-date return of 24.39%. In the past month, the stock has increased 4.08%, reflecting recent market activity.

As of the latest close, Cyanotech traded at $0.51 with a market cap of $3.70 million and volume of 6,617 shares. Five years ago, the stock traded at $2.85, representing a 82.11% decrease over that period. At the time, it had a market cap of $17.44 million and a volume of 94,860 shares.

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5 Day
Performance
+5.00%
1 Month
Performance
+4.08%
3 Month
Performance
+30.77%
Year-To-Date
Performance
+24.39%
1 Year
Performance
+88.89%
5 Year
Performance
-82.11%

CYAN Stock Chart for Thursday, September, 17, 2026

Cyanotech Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/16/2026$0.51$0.51$0.51$0.516,617 shs$3.70 million
09/15/2026$0.49$0.51
+5.00%
$0.51$0.516,617 shs$3.70 million
09/14/2026$0.49$0.49$0.49$0.492,000 shs$3.52 million
09/11/2026$0.49$0.49$0.49$0.492,000 shs$3.52 million
09/10/2026$0.51$0.49
-4.35%
$0.51$0.493,780 shs$3.52 million
09/09/2026$0.51$0.51$0.51$0.51141 shs$3.68 million
09/08/2026$0.49$0.51
+4.57%
$0.51$0.51141 shs$3.68 million
09/07/2026$0.49$0.49$0.51$0.492,100 shs$3.59 million
09/04/2026$0.53$0.49
-8.38%
$0.51$0.492,100 shs$3.59 million
09/03/2026$0.51$0.53
+3.92%
$0.53$0.4611,606 shs$3.92 million
09/02/2026$0.42$0.51
+21.43%
$0.51$0.511,220 shs$3.77 million
09/01/2026$0.42$0.42$0.42$0.42943 shs$3.11 million
08/31/2026$0.50$0.42
-16.00%
$0.42$0.42943 shs$3.10 million
08/28/2026$0.45$0.50
+11.11%
$0.53$0.3550,500 shs$3.70 million
08/27/2026$0.45$0.45$0.45$0.45500 shs$3.33 million
08/26/2026$0.45$0.45$0.45$0.45500 shs$3.33 million
08/25/2026$0.45$0.45$0.50$0.4519,290 shs$3.33 million
08/19/2026$0.45$0.45$0.46$0.459,288 shs$3.33 million
08/18/2026$0.49$0.45
-8.16%
$0.46$0.459,288 shs$3.33 million
08/17/2026$0.49$0.49$0.49$0.49510 shs$3.62 million

This page (OTCMKTS:CYAN) was last updated on 9/15/2026 by MarketBeat.com Staff.
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