5 DAY PERFORMANCE
+0.00%
1 MONTH PERFORMANCE
+24.24%
3 MONTH PERFORMANCE
+13.89%
6 MONTH PERFORMANCE
+17.14%
YEAR-TO-DATE PERFORMANCE
+12.41%
1 YEAR PERFORMANCE
+36.67%
Cyanotech Corporation Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 05/28/2025 | $0.41 | $0.41 (0%) | $0.41 | $0.41 | 300 | $2.93 M |
| 05/27/2025 | $0.40 | $0.40 (0%) | $0.40 | $0.36 | 7.07 K | $2.86 M |
| 05/23/2025 | $0.38 | $0.41 (7.89%) | $0.41 | $0.34 | 19.60 K | $2.93 M |
| 05/22/2025 | $0.39 | $0.40 (2.56%) | $0.41 | $0.36 | 42.10 K | $2.86 M |
| 05/21/2025 | $0.32 | $0.38 (18.75%) | $0.38 | $0.32 | 20.70 K | $2.72 M |
| 05/20/2025 | $0.35 | $0.35 (0%) | $0.40 | $0.35 | 7.12 K | $2.50 M |
| 05/19/2025 | $0.32 | $0.32 (0%) | $0.32 | $0.32 | 155 | $2.29 M |
| 05/16/2025 | $0.34 | $0.32 (-5.88%) | $0.34 | $0.32 | 10.60 K | $2.29 M |
| 05/15/2025 | $0.35 | $0.40 (14.29%) | $0.40 | $0.33 | 5.70 K | $2.86 M |
| 05/14/2025 | $0.33 | $0.35 (6.06%) | $0.35 | $0.33 | 800 | $2.50 M |
| 05/13/2025 | $0.35 | $0.32 (-8.57%) | $0.36 | $0.32 | 7.90 K | $2.29 M |
| 05/12/2025 | $0.41 | $0.37 (-9.76%) | $0.41 | $0.35 | 22.70 K | $2.65 M |
| 05/09/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 0 | $3.01 M |
| 05/08/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 200 | $3.01 M |
| 05/07/2025 | $0.43 | $0.43 (0%) | $0.43 | $0.43 | 0 | $3.08 M |
| 05/06/2025 | $0.43 | $0.43 (0%) | $0.43 | $0.43 | 0 | $3.08 M |
| 05/05/2025 | $0.43 | $0.43 (0%) | $0.43 | $0.43 | 0 | $3.08 M |
| 05/02/2025 | $0.39 | $0.43 (10.26%) | $0.44 | $0.39 | 22.50 K | $3.08 M |
| 05/01/2025 | $0.48 | $0.36 (-25%) | $0.48 | $0.35 | 4.80 K | $2.58 M |
| 04/30/2025 | $0.32 | $0.33 (3.13%) | $0.44 | $0.32 | 600 | $2.36 M |
| 04/29/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 0 | $2.15 M |
| 04/28/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 0 | $2.15 M |
| 04/25/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 0 | $2.15 M |
| 04/24/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 0 | $2.15 M |
| 04/23/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 900 | $2.15 M |
| 04/22/2025 | $0.29 | $0.29 (0%) | $0.29 | $0.29 | 0 | $2.08 M |
| 04/21/2025 | $0.29 | $0.29 (0%) | $0.29 | $0.29 | 302 | $2.08 M |
| 04/17/2025 | $0.33 | $0.34 (3.03%) | $0.34 | $0.33 | 22.50 K | $2.43 M |
| 04/16/2025 | $0.27 | $0.29 (7.41%) | $0.29 | $0.24 | 73.00 K | $2.08 M |
| 04/15/2025 | $0.28 | $0.23 (-17.86%) | $0.29 | $0.23 | 33.80 K | $1.65 M |
| 04/14/2025 | $0.30 | $0.30 (0%) | $0.31 | $0.30 | 11.10 K | $2.15 M |
| 04/11/2025 | $0.32 | $0.32 (0%) | $0.32 | $0.32 | 700 | $2.29 M |
| 04/10/2025 | $0.36 | $0.30 (-16.67%) | $0.36 | $0.27 | 71.10 K | $2.15 M |
| 04/09/2025 | $0.35 | $0.34 (-2.86%) | $0.35 | $0.34 | 444 | $2.43 M |
| 04/08/2025 | $0.31 | $0.33 (6.45%) | $0.33 | $0.31 | 2.00 K | $2.36 M |
| 04/07/2025 | $0.31 | $0.31 (0%) | $0.31 | $0.31 | 2.00 K | $2.22 M |
| 04/04/2025 | $0.35 | $0.36 (2.86%) | $0.36 | $0.32 | 21.40 K | $2.58 M |
| 04/03/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 500 | $3.01 M |
| 04/02/2025 | $0.35 | $0.35 (0%) | $0.35 | $0.35 | 200 | $2.50 M |
| 04/01/2025 | $0.35 | $0.35 (0%) | $0.35 | $0.35 | 1.73 K | $2.50 M |
| 03/31/2025 | $0.35 | $0.35 (0%) | $0.35 | $0.35 | 1.73 K | $2.50 M |
| 03/28/2025 | $0.35 | $0.35 (0%) | $0.35 | $0.35 | 2.70 K | $2.50 M |
| 03/27/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 0 | $3.01 M |
| 03/26/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 200 | $3.01 M |
| 03/25/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 200 | $3.01 M |
| 03/24/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 200 | $3.01 M |
| 03/21/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 0 | $3.01 M |
| 03/20/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 200 | $3.01 M |
| 03/19/2025 | $0.37 | $0.37 (0%) | $0.37 | $0.37 | 800 | $2.65 M |
| 03/18/2025 | $0.40 | $0.37 (-7.5%) | $0.40 | $0.37 | 1.20 K | $2.65 M |
| 03/17/2025 | $0.35 | $0.42 (20%) | $0.42 | $0.35 | 900 | $3.01 M |
| 03/14/2025 | $0.38 | $0.38 (0%) | $0.38 | $0.38 | 0 | $2.72 M |
| 03/13/2025 | $0.38 | $0.38 (0%) | $0.38 | $0.38 | 2.00 K | $2.72 M |
| 03/12/2025 | $0.42 | $0.42 (0%) | $0.42 | $0.42 | 100 | $3.01 M |
| 03/11/2025 | $0.37 | $0.37 (0%) | $0.37 | $0.37 | 2.50 K | $2.65 M |
| 03/10/2025 | $0.36 | $0.37 (2.78%) | $0.37 | $0.36 | 500 | $2.65 M |
| 03/07/2025 | $0.38 | $0.36 (-5.26%) | $0.38 | $0.36 | 2.50 K | $2.58 M |
| 03/06/2025 | $0.42 | $0.38 (-9.52%) | $0.43 | $0.38 | 12.00 K | $2.72 M |
| 03/05/2025 | $0.41 | $0.41 (0%) | $0.41 | $0.41 | 600 | $2.93 M |
| 03/04/2025 | $0.35 | $0.34 (-2.86%) | $0.35 | $0.34 | 5.50 K | $2.43 M |
| 03/03/2025 | $0.36 | $0.35 (-2.78%) | $0.36 | $0.35 | 3.70 K | $2.50 M |
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