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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 (%)
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%)
Nov 01, 2016 3.710 3.875 3.710 3.750 8,646 -0.20(-5.06%)
Oct 31, 2016 3.855 4.250 3.850 3.950 2,993 -0.10(-2.47%)
Oct 28, 2016 4.090 4.090 4.050 4.050 1,081 -0.03(-0.83%)
Oct 27, 2016 4.080 4.084 4.080 4.084 340 +0.00(+0.10%)
Oct 26, 2016 4.020 4.080 4.020 4.080 602 +0.01(+0.25%)
Oct 25, 2016 3.850 4.082 3.850 4.070 3,950 -0.05(-1.21%)
Oct 24, 2016 4.110 4.130 3.894 4.120 946 +0.02(+0.49%)
Oct 21, 2016 4.100 4.240 4.100 4.100 9,766 +0.03(+0.76%)
Oct 20, 2016 3.930 4.069 3.900 4.069 1,141 -0.03(-0.76%)
Oct 19, 2016 4.094 4.100 4.000 4.100 2,839 +0.16(+4.06%)
Oct 18, 2016 3.900 3.940 3.849 3.940 531 +0.04(+1.03%)
Oct 17, 2016 3.900 4.000 3.840 3.900 8,494 +0.20(+5.41%)
Oct 14, 2016 3.660 3.830 3.651 3.700 6,314 -0.11(-2.96%)
Oct 13, 2016 3.740 3.820 3.739 3.813 3,130 +0.08(+2.07%)
Oct 12, 2016 3.601 3.823 3.601 3.736 28,695 -0.01(-0.38%)
Oct 11, 2016 3.750 3.750 3.750 3.750 1,155 +0.00(+0.00%)
Oct 10, 2016 3.830 3.830 3.750 3.750 3,757 +0.06(+1.63%)
Oct 07, 2016 3.550 3.740 3.550 3.690 7,036 -0.06(-1.60%)
Oct 06, 2016 3.680 3.796 3.680 3.750 2,701 -0.03(-0.79%)
Oct 05, 2016 3.720 3.780 3.720 3.780 413 +0.17(+4.71%)
Oct 04, 2016 3.685 3.700 3.610 3.610 1,357 -0.14(-3.73%)
Oct 03, 2016 3.680 3.800 3.670 3.750 1,257 +0.06(+1.62%)
Sep 30, 2016 3.690 3.690 3.690 3.690 140 +0.00(+0.00%)
Sep 29, 2016 3.690 3.690 3.690 3.690 330 -0.01(-0.27%)
Sep 28, 2016 3.710 3.740 3.700 3.700 1,205 +0.08(+2.21%)
Sep 27, 2016 3.600 3.620 3.600 3.620 1,562 -0.05(-1.36%)
Sep 26, 2016 3.670 3.670 3.670 3.670 474 -0.22(-5.66%)
Sep 23, 2016 3.890 3.890 3.890 3.890 214 +0.23(+6.28%)
Sep 22, 2016 3.780 3.815 3.660 3.660 30,552 -0.13(-3.43%)
Sep 21, 2016 3.890 3.890 3.770 3.790 2,002 +0.02(+0.53%)
Sep 20, 2016 3.835 3.835 3.752 3.770 969 -0.13(-3.33%)
Sep 19, 2016 4.010 4.050 3.670 3.900 5,096 -0.10(-2.50%)
Sep 16, 2016 3.450 4.000 3.420 4.000 4,550 +0.56(+16.28%)
Sep 15, 2016 3.440 3.549 3.440 3.440 1,175 -0.02(-0.58%)
Sep 14, 2016 3.450 3.640 3.450 3.460 612 +0.03(+0.87%)
Sep 13, 2016 3.450 3.750 3.430 3.430 3,961 -0.07(-2.00%)
Sep 12, 2016 3.530 3.530 3.500 3.500 1,019 +0.02(+0.57%)
Sep 09, 2016 3.480 3.481 3.480 3.480 584 +0.01(+0.29%)
Sep 08, 2016 3.570 3.570 3.430 3.470 6,687 -0.15(-4.14%)
Sep 07, 2016 3.820 3.820 3.620 3.620 2,751 +0.06(+1.69%)
Sep 06, 2016 3.620 3.680 3.560 3.560 1,624 -0.15(-4.04%)
Sep 02, 2016 3.610 3.710 3.710 3.710 6,000 +0.09(+2.49%)
Sep 01, 2016 3.882 4.005 3.570 3.620 13,283 -0.31(-7.90%)
Aug 31, 2016 3.931 3.931 3.931 3.931 509 +0.10(+2.63%)
Aug 30, 2016 3.990 3.990 3.820 3.830 3,162 -0.11(-2.79%)
Aug 29, 2016 3.978 4.000 3.880 3.940 2,053 +0.01(+0.25%)
Aug 26, 2016 4.010 4.094 3.930 3.930 2,503 -0.15(-3.59%)
Aug 24, 2016 3.970 4.076 4.076 4.076 113 +0.13(+3.20%)
Aug 23, 2016 3.930 3.966 3.930 3.950 3,189 -0.00(-0.12%)
Aug 22, 2016 4.010 4.010 3.930 3.955 677 -0.01(-0.13%)
Aug 19, 2016 3.830 3.970 3.830 3.960 5,609 +0.18(+4.76%)
Aug 18, 2016 3.790 3.900 3.750 3.780 6,746 +0.03(+0.80%)
Aug 17, 2016 3.920 3.990 3.320 3.750 27,394 -0.23(-5.78%)
Aug 16, 2016 4.150 4.160 3.750 3.980 9,734 -0.22(-5.24%)
Aug 15, 2016 4.210 4.400 4.150 4.200 3,752 -0.10(-2.36%)
Aug 12, 2016 4.325 4.350 4.302 4.302 2,662 +0.02(+0.51%)
Aug 11, 2016 4.250 4.300 4.250 4.280 825 -0.08(-1.83%)
Aug 10, 2016 4.410 4.410 4.360 4.360 346 +0.00(+0.00%)
Aug 09, 2016 4.330 4.411 4.330 4.360 751 +0.11(+2.59%)
Aug 08, 2016 4.510 4.510 4.250 4.250 4,584 -0.18(-4.06%)
Aug 05, 2016 4.500 4.590 4.400 4.430 6,849 -0.05(-1.12%)
Aug 04, 2016 4.480 4.480 4.480 4.480 302 +0.13(+2.99%)
Aug 03, 2016 4.635 4.635 4.350 4.350 4,408 -0.40(-8.42%)
Aug 02, 2016 4.750 4.750 4.750 4.750 411 +0.15(+3.26%)
Aug 01, 2016 4.809 4.809 4.600 4.600 7,915 -0.20(-4.17%)
Jul 29, 2016 4.788 4.845 4.750 4.800 5,624 +0.07(+1.48%)
Jul 26, 2016 4.730 4.730 4.730 4.730 111 +0.00(+0.10%)
Jul 25, 2016 4.720 4.725 4.720 4.725 1,247 +0.01(+0.11%)
Jul 22, 2016 4.792 4.792 4.720 4.720 1,660 -0.18(-3.77%)
Jul 21, 2016 5.040 5.040 4.905 4.905 1,569 -0.04(-0.91%)
Jul 20, 2016 4.681 4.950 4.681 4.950 455 +0.12(+2.48%)
Jul 19, 2016 5.000 5.010 4.660 4.830 7,310 -0.17(-3.40%)
Jul 18, 2016 5.000 5.000 5.000 5.000 115 +0.00(+0.00%)
Jul 15, 2016 5.130 5.130 5.000 5.000 201 -0.13(-2.53%)
Jul 14, 2016 5.090 5.200 5.090 5.130 603 +0.01(+0.20%)
Jul 13, 2016 5.160 5.160 5.120 5.120 5,422 -0.03(-0.58%)
Jul 12, 2016 5.050 5.175 5.050 5.150 10,295 -0.06(-1.15%)
Jul 11, 2016 5.210 5.210 5.210 5.210 588 +0.00(+0.00%)
Jul 08, 2016 5.189 5.260 5.189 5.210 501 +0.05(+0.97%)
Jul 07, 2016 5.150 5.160 5.150 5.160 757 -0.17(-3.19%)
Jul 05, 2016 5.330 5.330 5.330 5.330 707 +0.19(+3.70%)
Jun 30, 2016 5.330 5.140 5.140 5.140 400 +0.02(+0.39%)
Jun 29, 2016 5.290 5.300 5.100 5.120 11,703 -0.11(-2.10%)
Jun 28, 2016 5.247 5.290 5.087 5.230 12,186 +0.08(+1.55%)
Jun 27, 2016 5.000 5.200 4.958 5.150 16,436 +0.15(+3.00%)
Jun 24, 2016 5.050 5.140 4.900 5.000 2,870 +0.07(+1.42%)
Jun 23, 2016 4.930 5.170 4.910 4.930 3,183 +0.03(+0.61%)
Jun 22, 2016 5.180 5.200 4.900 4.900 6,055 -0.15(-2.97%)
Jun 21, 2016 4.950 5.090 4.950 5.050 3,833 +0.15(+3.06%)
Jun 20, 2016 5.280 5.290 4.890 4.900 10,475 -0.39(-7.37%)
Jun 17, 2016 5.203 5.290 5.203 5.290 3,190 +0.04(+0.76%)
Jun 16, 2016 5.121 5.280 5.070 5.250 4,606 +0.16(+3.13%)
Jun 15, 2016 5.120 5.150 5.050 5.091 7,751 -0.03(-0.57%)
Jun 14, 2016 5.250 5.250 5.120 5.120 1,279 -0.15(-2.85%)
Jun 13, 2016 5.210 5.295 5.210 5.270 2,709 -0.08(-1.50%)
Jun 10, 2016 5.370 5.380 5.290 5.350 1,328 +0.04(+0.78%)
Jun 09, 2016 5.360 5.360 5.130 5.309 8,294 -0.08(-1.51%)
Jun 08, 2016 5.420 5.420 5.210 5.390 350 +0.08(+1.51%)
Jun 07, 2016 5.410 5.420 5.170 5.310 7,842 -0.11(-2.03%)
Jun 06, 2016 5.180 5.560 5.150 5.420 3,869 +0.23(+4.43%)
Jun 03, 2016 5.110 5.270 4.950 5.190 10,978 +0.12(+2.37%)
Jun 02, 2016 5.470 5.470 5.070 5.070 478 +0.02(+0.40%)
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