Cyanotech Corporation (CYAN)
OTCMKTS · Delayed Price · Currency is USD
0.3100
-0.0006 (-0.19%)
Oct 29, 2025, 12:28 PM EDT

Cyanotech Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 29, 20250.320.320.310.310.31-0.19%14,690
Oct 28, 20250.250.310.250.310.31-2.33%455
Oct 27, 20250.250.320.250.320.3213.57%6,996
Oct 24, 20250.330.330.260.280.28-15.15%9,352
Oct 23, 20250.290.330.290.330.33-2.94%820
Oct 22, 20250.340.340.340.340.34--
Oct 21, 20250.340.340.340.340.3417.24%518
Oct 20, 20250.290.290.290.290.29-10
Oct 17, 20250.290.290.290.290.29-8
Oct 16, 20250.290.290.290.290.29-13.43%1,005
Oct 15, 20250.270.340.270.340.3415.52%310
Oct 14, 20250.270.340.270.290.29-12.12%5,380
Oct 13, 20250.330.330.330.330.33-1
Oct 10, 20250.330.330.330.330.33-500
Oct 9, 20250.330.330.330.330.33-2.94%700
Oct 8, 20250.340.340.340.340.34--
Oct 7, 20250.340.340.340.340.343.03%160
Oct 6, 20250.330.340.330.330.33-7,801
Oct 3, 20250.330.330.330.330.33-3.57%1,705
Oct 2, 20250.350.350.290.340.3415.69%850
Oct 1, 20250.300.300.300.300.30-1.92%101
Sep 30, 20250.350.350.300.300.30-13.33%392
Sep 29, 20250.350.350.350.350.35-0.57%181
Sep 26, 20250.330.350.330.350.3516.67%8,025
Sep 25, 20250.300.300.300.300.300.89%251
Sep 24, 20250.270.330.270.300.302.54%2,417
Sep 23, 20250.290.300.290.290.291.05%8,900
Sep 22, 20250.270.290.270.290.29-3.37%1,977
Sep 19, 20250.300.300.300.300.30-53
Sep 18, 20250.270.330.270.300.3010.00%29,362
Sep 17, 20250.270.270.270.270.27-70
Sep 16, 20250.280.280.240.270.27-1.82%72,125
Sep 15, 20250.280.280.280.280.28-5.98%1,000
Sep 12, 20250.290.290.270.290.29-2.50%3,426
Sep 11, 20250.300.300.290.300.30-3,841
Sep 10, 20250.260.300.260.300.3015.38%3,500
Sep 9, 20250.250.270.250.260.26-13.33%40,010
Sep 8, 20250.300.300.300.300.30-137
Sep 5, 20250.280.300.250.300.303.45%4,800
Sep 4, 20250.280.290.280.290.293.57%356
Sep 3, 20250.280.280.280.280.28-100
Sep 2, 20250.280.280.280.280.28-17.65%600
Aug 29, 20250.340.340.340.340.3421.34%150
Aug 28, 20250.320.320.280.280.28-3.38%2,150
Aug 27, 20250.290.290.290.290.29-2
Aug 26, 20250.290.290.290.290.29-40
Aug 25, 20250.280.290.280.290.29-8.23%692
Aug 22, 20250.290.320.290.320.325.33%1,100
Aug 21, 20250.300.300.300.300.30-30
Aug 20, 20250.300.300.300.300.30-2