Cyanotech Corporation (CYAND)
OTCMKTS
· Delayed Price · Currency is USD
0.430
0.00 (0.00%)
At close: Mar 2, 2026
Cyanotech Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 2, 2026 | 0.35 | 0.43 | 0.35 | 0.43 | 0.43 | 7.50% | 1,300 |
| Feb 19, 2026 | 0.40 | 0.40 | 0.40 | 0.40 | 0.40 | 13.51% | 104 |
| Feb 18, 2026 | 0.29 | 0.35 | 0.29 | 0.35 | 0.35 | 0.69% | 3,170 |
| Feb 17, 2026 | 0.36 | 0.39 | 0.25 | 0.35 | 0.35 | -20.45% | 23,710 |
| Feb 12, 2026 | 0.44 | 0.44 | 0.44 | 0.44 | 0.44 | -3.08% | 4,770 |
| Feb 11, 2026 | 0.44 | 0.49 | 0.44 | 0.45 | 0.45 | 3.18% | 12,319 |
| Feb 10, 2026 | 0.44 | 0.44 | 0.44 | 0.44 | 0.44 | -13.73% | 1,500 |
| Feb 9, 2026 | 0.50 | 0.51 | 0.50 | 0.51 | 0.51 | 9.68% | 3,660 |
| Feb 6, 2026 | 0.47 | 0.47 | 0.47 | 0.47 | 0.47 | -7.92% | 18,949 |
| Feb 5, 2026 | 0.51 | 0.51 | 0.51 | 0.51 | 0.51 | 7.45% | 1,200 |
| Feb 4, 2026 | 0.47 | 0.47 | 0.47 | 0.47 | 0.47 | -6.00% | 4,771 |
| Feb 3, 2026 | 0.53 | 0.54 | 0.48 | 0.50 | 0.50 | -0.79% | 36,971 |
| Feb 2, 2026 | 0.50 | 0.53 | 0.50 | 0.50 | 0.50 | -4.91% | 2,017 |
| Jan 30, 2026 | 0.50 | 0.55 | 0.50 | 0.53 | 0.53 | 14.45% | 3,599 |
| Jan 29, 2026 | 0.48 | 0.48 | 0.46 | 0.46 | 0.46 | -2.51% | 6,736 |
| Jan 28, 2026 | 0.53 | 0.53 | 0.48 | 0.48 | 0.48 | -9.49% | 19,484 |
| Jan 27, 2026 | 0.40 | 0.53 | 0.40 | 0.52 | 0.52 | 28.66% | 54,295 |
| Jan 26, 2026 | 0.41 | 0.41 | 0.41 | 0.41 | 0.41 | -2.88% | 207 |
| Jan 23, 2026 | 0.42 | 0.42 | 0.42 | 0.42 | 0.42 | 5.00% | 1,001 |
| Jan 22, 2026 | 0.39 | 0.41 | 0.39 | 0.40 | 0.40 | - | 20,175 |
| Jan 21, 2026 | 0.36 | 0.40 | 0.36 | 0.40 | 0.40 | 0.08% | 7,899 |
| Jan 20, 2026 | 0.33 | 0.40 | 0.33 | 0.40 | 0.40 | 5.91% | 16,560 |
| Jan 16, 2026 | 0.33 | 0.38 | 0.33 | 0.38 | 0.38 | 7.83% | 4,904 |
| Jan 15, 2026 | 0.35 | 0.36 | 0.35 | 0.35 | 0.35 | -1.07% | 2,715 |
| Jan 14, 2026 | 0.36 | 0.36 | 0.35 | 0.35 | 0.35 | 1.81% | 6,741 |
| Jan 13, 2026 | 0.42 | 0.42 | 0.34 | 0.35 | 0.35 | -30.50% | 54,950 |
| Jan 12, 2026 | 0.44 | 0.50 | 0.44 | 0.50 | 0.50 | - | 23,010 |
| Jan 9, 2026 | 0.44 | 0.50 | 0.44 | 0.50 | 0.50 | -1.96% | 1,337 |
| Jan 7, 2026 | 0.51 | 0.51 | 0.51 | 0.51 | 0.51 | 13.33% | 100 |
| Jan 6, 2026 | 0.45 | 0.45 | 0.44 | 0.45 | 0.45 | 3.45% | 18,433 |
| Jan 5, 2026 | 0.40 | 0.44 | 0.40 | 0.44 | 0.44 | - | 920 |
| Jan 2, 2026 | 0.42 | 0.44 | 0.41 | 0.44 | 0.44 | -3.33% | 600 |
| Dec 31, 2025 | 0.39 | 0.45 | 0.39 | 0.45 | 0.45 | 9.76% | 9,667 |
| Dec 30, 2025 | 0.37 | 0.45 | 0.37 | 0.41 | 0.41 | 10.81% | 18,600 |
| Dec 29, 2025 | 0.32 | 0.45 | 0.32 | 0.37 | 0.37 | 2.81% | 39,149 |
| Dec 26, 2025 | 0.35 | 0.36 | 0.32 | 0.36 | 0.36 | 5.85% | 4,256 |
| Dec 24, 2025 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | 13.14% | 502 |
| Dec 23, 2025 | 0.34 | 0.35 | 0.30 | 0.30 | 0.30 | -6.09% | 3,170 |
| Dec 22, 2025 | 0.35 | 0.36 | 0.32 | 0.32 | 0.32 | -8.57% | 11,653 |
| Dec 19, 2025 | 0.40 | 0.40 | 0.35 | 0.35 | 0.35 | -9.98% | 9,265 |
| Dec 18, 2025 | 0.36 | 0.39 | 0.36 | 0.39 | 0.39 | -2.80% | 1,200 |
| Dec 16, 2025 | 0.36 | 0.40 | 0.36 | 0.40 | 0.40 | 2.88% | 12,700 |
| Dec 15, 2025 | 0.45 | 0.45 | 0.36 | 0.39 | 0.39 | -13.60% | 18,960 |
| Dec 11, 2025 | 0.40 | 0.45 | 0.40 | 0.45 | 0.45 | 2.97% | 1,695 |
| Dec 10, 2025 | 0.44 | 0.44 | 0.44 | 0.44 | 0.44 | -18.88% | 100 |
| Dec 9, 2025 | 0.40 | 0.54 | 0.40 | 0.54 | 0.54 | -1.82% | 692 |
| Dec 8, 2025 | 0.45 | 0.55 | 0.44 | 0.55 | 0.55 | 16.74% | 21,300 |
| Dec 5, 2025 | 0.42 | 0.48 | 0.40 | 0.47 | 0.47 | 30.56% | 49,878 |
| Dec 4, 2025 | 0.36 | 0.36 | 0.36 | 0.36 | 0.36 | -37.28% | 217 |
| Dec 2, 2025 | 0.34 | 0.57 | 0.34 | 0.57 | 0.57 | 64.00% | 2,918 |
| Dec 1, 2025 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 2.94% | 1,101 |
| Nov 26, 2025 | 0.38 | 0.46 | 0.34 | 0.34 | 0.34 | 1.49% | 4,512 |
| Nov 25, 2025 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | - | 4,920 |
| Nov 24, 2025 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | -0.36% | 2,822 |
| Nov 21, 2025 | 0.34 | 0.45 | 0.34 | 0.34 | 0.34 | -29.15% | 2,726 |
| Nov 20, 2025 | 0.36 | 0.47 | 0.36 | 0.47 | 0.47 | 18.62% | 270 |
| Nov 19, 2025 | 0.39 | 0.40 | 0.34 | 0.40 | 0.40 | - | 7,575 |
| Nov 18, 2025 | 0.32 | 0.40 | 0.32 | 0.40 | 0.40 | - | 708 |
| Nov 14, 2025 | 0.32 | 0.40 | 0.32 | 0.40 | 0.40 | 25.00% | 6,040 |
| Nov 13, 2025 | 0.32 | 0.32 | 0.32 | 0.32 | 0.32 | -18.30% | 174 |
| Nov 12, 2025 | 0.33 | 0.40 | 0.30 | 0.39 | 0.39 | 0.44% | 700 |
| Nov 11, 2025 | 0.39 | 0.39 | 0.39 | 0.39 | 0.39 | 1.30% | 5,001 |
| Nov 10, 2025 | 0.33 | 0.39 | 0.29 | 0.39 | 0.39 | 27.74% | 44,637 |
| Nov 4, 2025 | 0.29 | 0.30 | 0.29 | 0.30 | 0.30 | -5.22% | 400 |
| Oct 30, 2025 | 0.32 | 0.32 | 0.32 | 0.32 | 0.32 | 2.58% | 686 |
| Oct 29, 2025 | 0.32 | 0.32 | 0.31 | 0.31 | 0.31 | -0.19% | 14,690 |
| Oct 28, 2025 | 0.25 | 0.31 | 0.25 | 0.31 | 0.31 | -2.33% | 455 |
| Oct 27, 2025 | 0.25 | 0.32 | 0.25 | 0.32 | 0.32 | 13.57% | 6,996 |
| Oct 24, 2025 | 0.33 | 0.33 | 0.26 | 0.28 | 0.28 | -15.15% | 9,352 |
| Oct 23, 2025 | 0.29 | 0.33 | 0.29 | 0.33 | 0.33 | -2.94% | 820 |
| Oct 21, 2025 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | 17.24% | 518 |
| Oct 16, 2025 | 0.29 | 0.29 | 0.29 | 0.29 | 0.29 | -13.43% | 1,005 |
| Oct 15, 2025 | 0.27 | 0.34 | 0.27 | 0.34 | 0.34 | 15.52% | 310 |
| Oct 14, 2025 | 0.27 | 0.34 | 0.27 | 0.29 | 0.29 | -12.12% | 5,380 |
| Oct 10, 2025 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | - | 500 |
| Oct 9, 2025 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | -2.94% | 700 |
| Oct 7, 2025 | 0.34 | 0.34 | 0.34 | 0.34 | 0.34 | 3.03% | 160 |
| Oct 6, 2025 | 0.33 | 0.34 | 0.33 | 0.33 | 0.33 | - | 7,801 |
| Oct 3, 2025 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | -3.57% | 1,705 |
| Oct 2, 2025 | 0.35 | 0.35 | 0.29 | 0.34 | 0.34 | 15.69% | 850 |
| Oct 1, 2025 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | -1.92% | 101 |
| Sep 30, 2025 | 0.35 | 0.35 | 0.30 | 0.30 | 0.30 | -13.33% | 392 |
| Sep 29, 2025 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | -0.57% | 181 |
| Sep 26, 2025 | 0.33 | 0.35 | 0.33 | 0.35 | 0.35 | 16.67% | 8,025 |
| Sep 25, 2025 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.87% | 251 |
| Sep 24, 2025 | 0.27 | 0.33 | 0.27 | 0.30 | 0.30 | 2.55% | 2,417 |
| Sep 23, 2025 | 0.29 | 0.30 | 0.29 | 0.29 | 0.29 | 1.05% | 8,900 |
| Sep 22, 2025 | 0.27 | 0.29 | 0.27 | 0.29 | 0.29 | -3.37% | 1,977 |
| Sep 18, 2025 | 0.27 | 0.33 | 0.27 | 0.30 | 0.30 | 10.00% | 29,362 |
| Sep 16, 2025 | 0.28 | 0.28 | 0.24 | 0.27 | 0.27 | -1.82% | 72,125 |
| Sep 15, 2025 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | -5.98% | 1,000 |
| Sep 12, 2025 | 0.29 | 0.29 | 0.27 | 0.29 | 0.29 | -2.50% | 3,426 |
| Sep 11, 2025 | 0.30 | 0.30 | 0.29 | 0.30 | 0.30 | - | 3,841 |
| Sep 10, 2025 | 0.26 | 0.30 | 0.26 | 0.30 | 0.30 | 15.38% | 3,500 |
| Sep 9, 2025 | 0.25 | 0.27 | 0.25 | 0.26 | 0.26 | -13.33% | 40,010 |
| Sep 5, 2025 | 0.28 | 0.30 | 0.25 | 0.30 | 0.30 | 3.45% | 4,800 |
| Sep 4, 2025 | 0.28 | 0.29 | 0.28 | 0.29 | 0.29 | 3.57% | 356 |
| Sep 3, 2025 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | - | 100 |