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Cyanotech Corp (NQ: CYAN )

0.4400 UNCHANGED
Last Price Updated: 3:57 PM EST, Feb 16, 2024 Add to My Watchlist
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Historical Prices

Month:
Year:
Range:
Date Open High Low Close Volume Change (%)
Oct 31, 2017 4.900 5.150 4.750 4.750 11,506 -0.35(-6.86%)
Oct 30, 2017 5.150 5.200 4.850 5.100 13,960 +0.15(+3.03%)
Oct 27, 2017 4.950 5.350 4.855 4.950 9,442 +0.05(+1.02%)
Oct 26, 2017 4.600 4.950 4.500 4.900 5,733 +0.25(+5.38%)
Oct 25, 2017 4.750 4.900 4.650 4.650 3,568 -0.14(-3.02%)
Oct 24, 2017 4.700 4.900 4.700 4.795 2,557 -0.06(-1.24%)
Oct 23, 2017 4.900 4.900 4.825 4.855 4,111 -0.09(-1.92%)
Oct 20, 2017 4.950 4.950 4.400 4.950 5,562 +0.00(+0.00%)
Oct 19, 2017 4.950 5.100 4.900 4.950 2,035 +0.00(+0.00%)
Oct 18, 2017 5.000 5.150 4.895 4.950 11,138 +0.05(+1.02%)
Oct 17, 2017 4.750 5.000 4.750 4.900 5,878 +0.20(+4.26%)
Oct 16, 2017 4.550 4.750 4.500 4.700 1,848 +0.15(+3.30%)
Oct 13, 2017 4.250 4.795 4.250 4.550 6,587 +0.35(+8.33%)
Oct 12, 2017 4.350 4.400 4.200 4.200 1,586 -0.25(-5.62%)
Oct 11, 2017 4.200 4.500 3.968 4.450 6,348 +0.50(+12.66%)
Oct 10, 2017 3.969 4.050 3.950 3.950 2,060 -0.15(-3.66%)
Oct 09, 2017 4.000 4.300 3.920 4.100 4,695 +0.15(+3.80%)
Oct 06, 2017 3.950 3.950 3.900 3.950 913 +0.00(+0.00%)
Oct 05, 2017 3.850 4.000 3.850 3.950 2,225 +0.10(+2.60%)
Oct 04, 2017 3.900 3.950 3.850 3.850 1,963 -0.10(-2.53%)
Oct 03, 2017 3.950 4.000 3.818 3.950 4,099 -0.13(-3.07%)
Oct 02, 2017 4.000 4.075 4.000 4.075 1,709 +0.02(+0.39%)
Sep 29, 2017 4.132 4.132 3.950 4.059 2,942 +0.21(+5.44%)
Sep 28, 2017 4.000 4.100 3.850 3.850 3,707 -0.15(-3.75%)
Sep 27, 2017 4.195 4.195 3.950 4.000 1,520 -0.15(-3.61%)
Sep 26, 2017 4.150 4.150 4.105 4.150 806 +0.00(+0.00%)
Sep 25, 2017 3.850 4.300 3.850 4.150 3,622 +0.00(+0.00%)
Sep 22, 2017 4.000 4.150 4.000 4.150 721 +0.20(+5.06%)
Sep 21, 2017 4.100 4.200 3.950 3.950 3,457 -0.10(-2.47%)
Sep 20, 2017 4.350 4.350 3.500 4.050 12,717 -0.15(-3.57%)
Sep 19, 2017 4.350 4.369 4.200 4.200 7,163 -0.20(-4.55%)
Sep 18, 2017 4.550 4.575 4.400 4.400 7,609 -0.15(-3.30%)
Sep 15, 2017 4.690 4.690 4.345 4.550 7,153 +0.00(+0.00%)
Sep 14, 2017 4.650 4.650 4.450 4.550 5,498 -0.05(-1.09%)
Sep 13, 2017 4.550 4.770 4.550 4.600 932 -0.14(-2.95%)
Sep 12, 2017 4.800 4.555 4.740 4,724 +0.19(+4.18%)
Sep 11, 2017 4.800 5.100 4.500 4.550 10,133 -0.15(-3.19%)
Sep 08, 2017 4.750 4.826 4.700 4.700 5,233 -0.13(-2.61%)
Sep 07, 2017 5.150 5.150 4.750 4.826 4,467 -0.17(-3.48%)
Sep 06, 2017 5.150 5.150 5.000 5.000 4,334 -0.05(-0.99%)
Sep 05, 2017 4.800 5.150 4.800 5.050 7,956 +0.30(+6.32%)
Sep 01, 2017 4.750 4.750 4.650 4.750 4,359 +0.05(+1.06%)
Aug 31, 2017 4.926 4.950 4.692 4.700 4,906 -0.10(-2.08%)
Aug 30, 2017 4.800 4.843 4.750 4.800 2,171 -0.05(-1.03%)
Aug 29, 2017 4.800 4.950 4.790 4.850 3,094 +0.15(+3.19%)
Aug 28, 2017 4.700 4.900 4.600 4.700 17,908 -0.05(-1.05%)
Aug 25, 2017 4.700 4.800 4.700 4.750 5,152 -0.05(-1.04%)
Aug 24, 2017 4.900 4.900 4.700 4.800 6,205 +0.00(+0.00%)
Aug 23, 2017 5.000 5.050 4.800 4.800 6,245 -0.10(-2.04%)
Aug 22, 2017 4.700 4.950 4.700 4.900 5,252 -0.02(-0.50%)
Aug 21, 2017 4.800 5.350 4.700 4.925 20,318 +0.02(+0.50%)
Aug 18, 2017 4.850 4.950 4.700 4.900 8,060 +0.00(+0.00%)
Aug 17, 2017 4.919 4.980 4.800 4.900 5,532 +0.05(+1.03%)
Aug 16, 2017 5.000 5.000 4.700 4.850 7,854 -0.20(-3.96%)
Aug 15, 2017 4.650 5.100 4.650 5.050 19,399 +0.41(+8.84%)
Aug 14, 2017 4.700 4.734 4.316 4.640 23,996 +0.05(+1.17%)
Aug 11, 2017 4.500 4.650 4.216 4.586 40,208 +0.09(+1.91%)
Aug 10, 2017 3.650 4.650 3.650 4.500 187,159 +1.00(+28.76%)
Aug 09, 2017 3.400 3.495 3.400 3.495 1,231 +0.04(+1.30%)
Aug 08, 2017 3.400 3.450 3.400 3.450 865 +0.10(+2.99%)
Aug 07, 2017 3.400 3.463 3.300 3.350 6,307 +0.05(+1.52%)
Aug 04, 2017 3.450 3.545 3.300 3.300 1,623 -0.20(-5.71%)
Aug 03, 2017 3.450 3.600 3.330 3.500 30,795 -0.05(-1.41%)
Aug 02, 2017 3.337 3.550 3.337 3.550 9,725 +0.20(+5.97%)
Aug 01, 2017 3.350 3.440 3.300 3.350 6,075 +0.00(+0.00%)
Jul 31, 2017 3.350 3.350 3.350 3.350 368 -0.05(-1.50%)
Jul 27, 2017 3.401 3.401 3.401 34 -0.15(-4.20%)
Jul 26, 2017 3.550 3.550 3.550 3.550 242 +0.20(+5.97%)
Jul 25, 2017 3.500 3.600 3.350 3.350 5,892 -0.15(-4.29%)
Jul 24, 2017 3.450 3.510 3.450 3.500 9,924 +0.15(+4.48%)
Jul 21, 2017 3.455 3.455 3.350 3.350 5,841 -0.10(-2.90%)
Jul 20, 2017 3.700 3.700 3.400 3.450 6,835 -0.10(-2.95%)
Jul 19, 2017 3.350 3.600 3.350 3.555 7,596 +0.26(+7.73%)
Jul 18, 2017 3.293 3.310 3.250 3.300 4,218 -0.01(-0.15%)
Jul 17, 2017 3.350 3.366 3.305 3.305 1,287 -0.04(-1.34%)
Jul 14, 2017 3.450 3.450 3.300 3.350 2,505 +0.05(+1.52%)
Jul 13, 2017 3.300 3.300 3.300 3.300 3,100 +0.00(+0.00%)
Jul 11, 2017 3.300 3.300 3.300 1 +0.05(+1.54%)
Jul 10, 2017 3.300 3.300 3.250 3.250 9,718 -0.05(-1.52%)
Jul 07, 2017 3.375 3.375 3.250 3.300 9,586 +0.00(+0.00%)
Jul 06, 2017 3.300 3.300 3.300 3.300 568 -0.10(-2.94%)
Jul 05, 2017 3.300 3.500 3.300 3.400 10,962 +0.05(+1.49%)
Jul 03, 2017 3.500 3.500 3.350 3.350 1,630 -0.20(-5.63%)
Jun 30, 2017 3.500 3.595 3.500 3.550 5,887 +0.05(+1.43%)
Jun 29, 2017 3.500 3.500 3.350 3.500 3,334 +0.05(+1.45%)
Jun 28, 2017 3.450 3.450 3.300 3.450 2,689 +0.00(+0.00%)
Jun 27, 2017 3.300 3.450 3.300 3.450 1,211 +0.11(+3.31%)
Jun 26, 2017 3.260 3.340 3.255 3.340 1,919 +0.08(+2.60%)
Jun 23, 2017 3.466 3.466 3.255 3.255 7,271 -0.10(-2.85%)
Jun 22, 2017 3.400 3.400 3.300 3.350 3,258 -0.05(-1.46%)
Jun 21, 2017 3.450 3.495 3.350 3.400 5,108 +0.02(+0.74%)
Jun 20, 2017 3.350 3.400 3.350 3.375 8,906 -0.03(-0.88%)
Jun 19, 2017 3.446 3.446 3.400 3.405 3,716 -0.09(-2.44%)
Jun 16, 2017 3.490 3.490 3.490 3.490 658 -0.06(-1.69%)
Jun 14, 2017 3.550 3.550 3.550 126 +0.15(+4.26%)
Jun 12, 2017 3.405 3.405 3.405 202 -0.07(-1.88%)
Jun 08, 2017 3.470 3.470 3.470 37 +0.02(+0.59%)
Jun 07, 2017 3.550 3.550 3.450 3.450 11,994 -0.05(-1.43%)
Jun 06, 2017 3.500 3.505 3.500 3.500 1,323 -0.30(-7.89%)
Jun 05, 2017 3.700 3.800 3.700 3.800 607 +0.10(+2.70%)
Jun 02, 2017 3.660 3.700 3.550 3.700 3,198 +0.00(+0.00%)
Jun 01, 2017 3.800 3.800 3.700 3.700 624 -0.10(-2.63%)
May 31, 2017 3.800 3.800 3.800 3.800 103 +0.00(+0.00%)
May 30, 2017 3.700 3.800 3.700 3.800 475 +0.25(+7.04%)
May 26, 2017 3.800 3.800 3.550 3.550 8,655 -0.10(-2.74%)
May 24, 2017 3.650 3.650 3.650 28 -0.10(-2.64%)
May 23, 2017 3.800 3.800 3.749 3.749 407 +0.18(+5.14%)
May 22, 2017 3.565 3.565 3.565 3.565 283 -0.33(-8.58%)
May 18, 2017 3.900 3.900 3.900 175 +0.35(+9.86%)
May 17, 2017 3.750 3.750 3.550 3.550 10,536 -0.20(-5.33%)
May 16, 2017 3.900 3.900 3.750 3.750 506 -0.15(-3.85%)
May 15, 2017 3.900 3.940 3.784 3.900 1,742 +0.00(+0.00%)
May 12, 2017 3.900 3.900 3.900 3.900 207 +0.10(+2.63%)
May 11, 2017 3.850 3.850 3.800 3.800 2,074 +0.00(+0.00%)
May 09, 2017 3.800 3.800 3.800 27 -0.12(-3.10%)
May 05, 2017 3.922 3.922 3.922 106 -0.03(-0.72%)
May 03, 2017 3.950 3.950 3.950 33 +0.13(+3.43%)
Apr 28, 2017 3.819 3.819 3.819 67 -0.08(-2.08%)
Apr 26, 2017 3.900 3.900 3.900 154 -0.10(-2.38%)
Apr 25, 2017 3.872 3.995 3.872 3.995 1,112 +0.20(+5.13%)
Apr 24, 2017 3.850 3.850 3.800 3.800 1,377 -0.05(-1.30%)
Apr 18, 2017 3.850 3.850 3.850 41 +0.00(+0.00%)
Apr 17, 2017 3.850 3.910 3.850 3.850 954 -0.07(-1.82%)
Apr 13, 2017 3.921 3.921 3.921 3.921 225 +0.07(+1.85%)
Apr 12, 2017 3.850 3.868 3.850 3.850 600 -0.05(-1.28%)
Apr 11, 2017 3.850 3.900 3.850 3.900 1,417 +0.05(+1.30%)
Apr 10, 2017 3.900 3.900 3.850 3.850 448 -0.15(-3.75%)
Apr 07, 2017 3.893 4.000 3.893 4.000 256 +0.08(+2.15%)
Apr 05, 2017 3.916 3.916 3.916 0 +0.02(+0.41%)
Apr 04, 2017 4.000 4.000 3.900 3.900 1,087 +0.00(+0.00%)
Apr 03, 2017 4.000 4.006 3.900 3.900 6,342 +0.05(+1.30%)
Mar 31, 2017 4.050 4.050 3.850 3.850 3,541 -0.15(-3.75%)
Mar 30, 2017 4.000 4.078 4.000 4.000 1,453 -0.09(-2.20%)
Mar 29, 2017 4.000 4.100 4.000 4.090 1,977 +0.14(+3.54%)
Mar 28, 2017 3.750 4.000 3.750 3.950 4,267 +0.15(+3.95%)
Mar 27, 2017 3.800 3.800 3.800 3.800 542 -0.01(-0.26%)
Mar 24, 2017 3.810 3.810 3.810 3.810 130 +0.11(+2.97%)
Mar 23, 2017 3.700 3.700 3.700 3.700 535 -0.10(-2.63%)
Mar 22, 2017 3.750 3.800 3.724 3.800 2,248 +0.00(+0.00%)
Mar 21, 2017 3.700 3.800 3.650 3.800 4,753 +0.05(+1.33%)
Mar 20, 2017 3.950 3.956 3.750 3.750 9,662 -0.23(-5.66%)
Mar 17, 2017 3.800 3.975 3.800 3.975 3,393 +0.18(+4.61%)
Mar 16, 2017 3.900 4.100 3.800 3.800 9,005 -0.35(-8.43%)
Mar 15, 2017 3.700 4.250 3.700 4.150 1,811 +0.25(+6.41%)
Mar 14, 2017 3.900 3.900 3.850 3.900 2,472 -0.05(-1.27%)
Mar 13, 2017 3.950 4.025 3.950 3.950 1,278 +0.00(+0.00%)
Mar 10, 2017 4.000 4.050 3.950 3.950 3,090 +0.00(+0.00%)
Mar 09, 2017 3.950 4.050 3.950 3.950 2,020 +0.00(+0.00%)
Mar 08, 2017 3.980 3.980 3.950 3.950 1,309 +0.00(+0.00%)
Mar 07, 2017 3.900 4.150 3.900 3.950 1,515 +0.00(+0.00%)
Mar 06, 2017 3.900 3.975 3.900 3.950 1,237 +0.00(+0.00%)
Mar 03, 2017 3.960 3.960 3.950 3.950 535 +0.00(+0.00%)
Mar 02, 2017 4.155 4.155 3.950 3.950 6,728 -0.25(-5.95%)
Mar 01, 2017 4.173 4.226 4.166 4.200 2,116 +0.05(+1.20%)
Feb 28, 2017 4.300 4.300 4.100 4.150 719 -0.15(-3.49%)
Feb 27, 2017 4.300 4.300 4.174 4.300 2,048 +0.14(+3.49%)
Feb 24, 2017 4.150 4.155 4.150 4.155 314 +0.00(+0.12%)
Feb 23, 2017 4.100 4.225 4.100 4.150 1,800 +0.05(+1.22%)
Feb 22, 2017 4.100 4.150 4.100 4.100 16,040 +0.10(+2.50%)
Feb 21, 2017 3.850 4.000 3.845 4.000 4,326 +0.25(+6.67%)
Feb 17, 2017 3.750 3.750 3.750 0 -0.15(-3.85%)
Feb 16, 2017 3.800 3.950 3.800 3.900 5,865 +0.15(+4.00%)
Feb 15, 2017 3.800 3.975 3.600 3.750 55,106 -0.20(-5.06%)
Feb 14, 2017 4.000 4.150 3.950 3.950 667 +0.15(+3.95%)
Feb 13, 2017 3.716 3.900 3.716 3.800 873 -0.20(-5.00%)
Feb 10, 2017 4.000 4.150 4.000 4.000 562 +0.05(+1.27%)
Feb 09, 2017 3.800 3.966 3.800 3.950 1,844 +0.00(+0.00%)
Feb 08, 2017 4.050 4.050 3.614 3.950 4,093 +0.00(+0.00%)
Feb 07, 2017 3.763 3.950 3.750 3.950 4,420 +0.00(+0.00%)
Feb 06, 2017 3.960 3.960 3.550 3.950 8,932 -0.05(-1.25%)
Feb 03, 2017 3.850 4.000 3.728 4.000 1,801 -0.04(-0.94%)
Feb 02, 2017 3.950 4.050 3.950 4.038 2,064 +0.09(+2.23%)
Feb 01, 2017 4.050 4.050 3.950 3.950 352 -0.05(-1.25%)
Jan 31, 2017 4.000 4.000 4.000 4.000 681 +0.00(+0.00%)
Jan 30, 2017 4.300 4.300 3.750 4.000 8,437 -0.30(-6.98%)
Jan 27, 2017 4.388 4.388 4.300 4.300 749 -0.20(-4.44%)
Jan 26, 2017 4.445 4.500 4.445 4.500 494 +0.10(+2.27%)
Jan 25, 2017 4.350 4.400 4.350 4.400 1,201 -0.10(-2.22%)
Jan 23, 2017 4.500 4.500 4.500 12 +0.02(+0.36%)
Jan 20, 2017 4.417 4.484 4.414 4.484 1,103 +0.15(+3.52%)
Jan 19, 2017 4.332 4.332 4.332 4.332 105 -0.26(-5.61%)
Jan 17, 2017 4.589 4.589 4.589 30 +0.03(+0.63%)
Jan 13, 2017 4.560 4.560 4.560 0 +0.16(+3.64%)
Jan 11, 2017 4.400 4.400 4.400 12 +0.03(+0.76%)
Jan 10, 2017 4.400 4.400 4.367 4.367 1,576 -0.13(-2.96%)
Jan 09, 2017 4.600 4.736 4.500 4.500 1,017 +0.15(+3.45%)
Jan 06, 2017 4.305 4.700 4.305 4.350 655 -0.20(-4.40%)
Jan 05, 2017 4.450 4.550 4.323 4.550 3,267 -0.15(-3.19%)
Jan 04, 2017 4.750 4.750 4.589 4.700 2,926 +0.00(+0.00%)
Jan 03, 2017 4.200 4.700 4.200 4.700 4,231 +0.40(+9.30%)
Dec 30, 2016 4.300 4.300 4.300 0 +0.01(+0.13%)
Dec 29, 2016 4.450 4.600 4.287 4.295 2,148 +0.14(+3.48%)
Dec 27, 2016 4.150 4.150 4.150 0 +0.20(+5.06%)
Dec 23, 2016 3.950 3.950 3.950 0 +0.10(+2.60%)
Dec 22, 2016 3.800 3.850 3.800 3.850 3,628 -0.10(-2.53%)
Dec 21, 2016 3.700 3.950 3.700 3.950 17,353 +0.20(+5.33%)
Dec 20, 2016 3.700 3.750 3.550 3.750 35,886 +0.00(+0.00%)
Dec 19, 2016 3.800 3.900 3.750 3.750 3,139 -0.10(-2.60%)
Dec 16, 2016 3.700 3.900 3.700 3.850 8,206 +0.20(+5.48%)
Dec 15, 2016 3.850 3.850 3.650 3.650 14,257 -0.13(-3.36%)
Dec 14, 2016 3.750 3.777 3.750 3.777 3,833 -0.12(-3.15%)
Dec 13, 2016 3.900 3.950 3.850 3.900 2,851 +0.10(+2.63%)
Dec 09, 2016 3.800 3.800 3.800 33 +0.00(+0.00%)
Dec 08, 2016 3.750 3.950 3.750 3.800 3,016 -0.05(-1.30%)
Dec 07, 2016 3.650 3.950 3.650 3.850 15,595 +0.25(+6.84%)
Dec 06, 2016 3.650 3.750 3.600 3.604 11,630 -0.05(-1.27%)
Dec 05, 2016 3.750 3.750 3.650 3.650 7,451 -0.19(-4.86%)
Dec 02, 2016 3.750 3.950 3.650 3.836 20,462 -0.01(-0.36%)
Dec 01, 2016 3.900 3.900 3.845 3.850 11,329 +0.00(+0.00%)
Nov 30, 2016 3.925 3.925 3.850 3.850 4,309 +0.00(+0.00%)
Nov 29, 2016 4.000 4.000 3.850 3.850 3,351 -0.05(-1.28%)
Nov 28, 2016 3.950 3.950 3.850 3.900 1,210 -0.05(-1.27%)
Nov 25, 2016 4.100 4.100 3.900 3.950 1,346 +0.04(+1.02%)
Nov 23, 2016 3.910 3.910 3.910 0 -0.04(-1.01%)
Nov 22, 2016 4.050 4.050 3.950 3.950 1,463 +0.05(+1.28%)
Nov 21, 2016 4.100 4.100 3.900 3.900 1,005 -0.08(-2.12%)
Nov 17, 2016 3.984 3.984 3.984 176 +0.03(+0.87%)
Nov 16, 2016 4.000 4.006 3.764 3.950 5,503 +0.00(+0.00%)
Nov 15, 2016 4.150 4.150 3.900 3.950 1,261 +0.05(+1.28%)
Nov 14, 2016 4.000 4.050 3.712 3.900 6,431 -0.10(-2.50%)
Nov 11, 2016 4.100 4.125 4.000 4.000 14,223 -0.15(-3.61%)
Nov 10, 2016 4.450 3.700 4.150 47,604 +0.27(+6.99%)
Nov 09, 2016 3.550 3.879 3.550 3.879 1,404 +0.18(+4.84%)
Nov 08, 2016 3.900 3.900 3.700 3.700 2,164 -0.00(-0.13%)
Nov 07, 2016 3.845 3.845 3.650 3.705 5,008 -0.22(-5.61%)
Nov 04, 2016 3.755 3.929 3.750 3.925 3,024 -0.17(-4.15%)
Nov 03, 2016 4.050 4.095 4.050 4.095 612 +0.34(+9.20%)
Nov 02, 2016 3.750 3.750 3.750 3.750 201 +0.00(+0.00%)
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