5 DAY PERFORMANCE
-23.34%
1 MONTH PERFORMANCE
+46.67%
3 MONTH PERFORMANCE
+46.67%
6 MONTH PERFORMANCE
+10.00%
YEAR-TO-DATE PERFORMANCE
+20.63%
1 YEAR PERFORMANCE
+51.20%
Cyanotech Corporation Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 12/05/2025 | $0.42 | $0.47 (11.9%) | $0.48 | $0.40 | 49.90 K | $3.43 M |
| 12/04/2025 | $0.36 | $0.36 (0%) | $0.36 | $0.36 | 1.10 K | $2.63 M |
| 12/03/2025 | $0.57 | $0.57 (0%) | $0.57 | $0.57 | 1.10 K | $4.16 M |
| 12/02/2025 | $0.34 | $0.57 (68.66%) | $0.57 | $0.34 | 2.92 K | $4.19 M |
| 12/01/2025 | $0.35 | $0.35 (0%) | $0.35 | $0.35 | 1.10 K | $2.55 M |
| 11/28/2025 | $0.34 | $0.34 (0%) | $0.34 | $0.34 | 478 | $2.48 M |
| 11/26/2025 | $0.38 | $0.34 (-9.49%) | $0.46 | $0.34 | 4.51 K | $2.48 M |
| 11/25/2025 | $0.34 | $0.34 (-0.71%) | $0.34 | $0.34 | 4.92 K | $2.44 M |
| 11/24/2025 | $0.34 | $0.34 (-0.71%) | $0.34 | $0.34 | 2.82 K | $2.44 M |
| 11/21/2025 | $0.34 | $0.34 (0.35%) | $0.45 | $0.34 | 2.73 K | $2.45 M |
| 11/20/2025 | $0.36 | $0.36 (0%) | $0.36 | $0.36 | 400 | $2.65 M |
| 11/19/2025 | $0.39 | $0.40 (2.84%) | $0.40 | $0.34 | 7.60 K | $2.92 M |
| 11/18/2025 | $0.32 | $0.40 (24.69%) | $0.40 | $0.32 | 708 | $2.92 M |
| 11/17/2025 | $0.40 | $0.40 (0%) | $0.40 | $0.40 | 3.00 K | $2.92 M |
| 11/14/2025 | $0.32 | $0.40 (25%) | $0.40 | $0.32 | 6.04 K | $2.92 M |
| 11/13/2025 | $0.32 | $0.32 (0%) | $0.32 | $0.32 | 200 | $2.33 M |
| 11/12/2025 | $0.33 | $0.39 (18.74%) | $0.40 | $0.30 | 700 | $2.84 M |
| 11/11/2025 | $0.39 | $0.39 (0%) | $0.39 | $0.39 | 25.95 K | $2.84 M |
| 11/10/2025 | $0.33 | $0.39 (17.38%) | $0.39 | $0.29 | 44.64 K | $2.84 M |
| 11/07/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 500 | $2.16 M |
| 11/06/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 500 | $2.16 M |
| 11/05/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 500 | $2.16 M |
| 11/04/2025 | $0.29 | $0.30 (2.59%) | $0.30 | $0.29 | 500 | $2.17 M |
| 11/03/2025 | $0.32 | $0.32 (0%) | $0.32 | $0.32 | 500 | $2.31 M |
| 10/31/2025 | $0.32 | $0.32 (0%) | $0.32 | $0.32 | 500 | $2.31 M |
| 10/30/2025 | $0.32 | $0.32 (0%) | $0.32 | $0.32 | 700 | $2.29 M |
| 10/29/2025 | $0.32 | $0.31 (-1.59%) | $0.32 | $0.31 | 14.70 K | $2.24 M |
| 10/28/2025 | $0.25 | $0.31 (24.24%) | $0.31 | $0.25 | 500 | $2.24 M |
| 10/27/2025 | $0.25 | $0.32 (27.2%) | $0.32 | $0.25 | 7.00 K | $2.29 M |
| 10/24/2025 | $0.33 | $0.28 (-15.15%) | $0.33 | $0.26 | 9.40 K | $2.02 M |
| 10/23/2025 | $0.29 | $0.33 (11.94%) | $0.33 | $0.29 | 820 | $2.38 M |
| 10/22/2025 | $0.34 | $0.34 (0%) | $0.34 | $0.34 | 0 | $2.45 M |
| 10/21/2025 | $0.34 | $0.34 (0%) | $0.34 | $0.34 | 518 | $2.45 M |
| 10/20/2025 | $0.29 | $0.29 (0%) | $0.29 | $0.29 | 0 | $2.09 M |
| 10/17/2025 | $0.29 | $0.29 (0%) | $0.29 | $0.29 | 0 | $2.09 M |
| 10/16/2025 | $0.29 | $0.29 (0%) | $0.29 | $0.29 | 1.01 K | $2.09 M |
| 10/15/2025 | $0.27 | $0.34 (23.62%) | $0.34 | $0.27 | 310 | $2.42 M |
| 10/14/2025 | $0.27 | $0.29 (7.01%) | $0.34 | $0.27 | 5.40 K | $2.09 M |
| 10/13/2025 | $0.33 | $0.33 (0%) | $0.33 | $0.33 | 0 | $2.38 M |
| 10/10/2025 | $0.33 | $0.33 (0%) | $0.33 | $0.33 | 500 | $2.38 M |
| 10/09/2025 | $0.33 | $0.33 (1.16%) | $0.33 | $0.33 | 700 | $2.38 M |
| 10/08/2025 | $0.34 | $0.34 (0%) | $0.34 | $0.34 | 0 | $2.45 M |
| 10/07/2025 | $0.34 | $0.34 (0%) | $0.34 | $0.34 | 200 | $2.45 M |
| 10/06/2025 | $0.33 | $0.33 (0%) | $0.34 | $0.33 | 7.80 K | $2.38 M |
| 10/03/2025 | $0.33 | $0.33 (0%) | $0.33 | $0.33 | 1.71 K | $2.38 M |
| 10/02/2025 | $0.35 | $0.34 (-1.67%) | $0.35 | $0.29 | 900 | $2.45 M |
| 10/01/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 101 | $2.16 M |
| 09/30/2025 | $0.35 | $0.30 (-13.33%) | $0.35 | $0.30 | 7.80 K | $2.16 M |
| 09/29/2025 | $0.35 | $0.35 (0%) | $0.35 | $0.35 | 200 | $2.52 M |
| 09/26/2025 | $0.33 | $0.35 (7.1%) | $0.35 | $0.33 | 8.03 K | $2.36 M |
| 09/25/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 300 | $2.16 M |
| 09/24/2025 | $0.27 | $0.30 (11.66%) | $0.33 | $0.27 | 5.30 K | $2.16 M |
| 09/23/2025 | $0.29 | $0.29 (0.52%) | $0.30 | $0.29 | 8.90 K | $2.09 M |
| 09/22/2025 | $0.27 | $0.29 (6.54%) | $0.29 | $0.27 | 2.00 K | $2.09 M |
| 09/19/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 10 | $2.16 M |
| 09/18/2025 | $0.27 | $0.30 (10%) | $0.33 | $0.27 | 29.40 K | $2.16 M |
| 09/17/2025 | $0.27 | $0.27 (0%) | $0.27 | $0.27 | 0 | $1.95 M |
| 09/16/2025 | $0.28 | $0.27 (-1.82%) | $0.28 | $0.24 | 72.13 K | $1.95 M |
| 09/15/2025 | $0.28 | $0.28 (0%) | $0.28 | $0.28 | 1.00 K | $2.02 M |
| 09/12/2025 | $0.29 | $0.29 (0.86%) | $0.29 | $0.27 | 3.43 K | $2.09 M |
| 09/11/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.29 | 3.84 K | $2.16 M |
| 09/10/2025 | $0.26 | $0.30 (15.38%) | $0.30 | $0.26 | 3.50 K | $2.16 M |
| 09/09/2025 | $0.25 | $0.26 (4%) | $0.27 | $0.25 | 40.01 K | $1.87 M |
| 09/08/2025 | $0.30 | $0.30 (0%) | $0.30 | $0.30 | 0 | $2.16 M |
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