Below are the 2876 trading days of historical prices for QLYS.
# | Exchange | Symbol | Date | Open | High | Low | Close | 2876 | NASDAQ | QLYS | Thu, Mar 7, 2024 | 167.98 | 169.84 | 166.51 | 169.28 | 2875 | NASDAQ | QLYS | Wed, Mar 6, 2024 | 168.84 | 168.84 | 165.51 | 166.87 | 2874 | NASDAQ | QLYS | Tue, Mar 5, 2024 | 167.05 | 168.90 | 162.46 | 165.51 | 2873 | NASDAQ | QLYS | Mon, Mar 4, 2024 | 168.68 | 171.06 | 167.81 | 168.76 | 2872 | NASDAQ | QLYS | Fri, Mar 1, 2024 | 173.00 | 173.15 | 166.74 | 167.93 | 2871 | NASDAQ | QLYS | Thu, Feb 29, 2024 | 168.16 | 173.33 | 168.08 | 171.86 | 2870 | NASDAQ | QLYS | Wed, Feb 28, 2024 | 165.16 | 167.47 | 165.09 | 167.32 | 2869 | NASDAQ | QLYS | Tue, Feb 27, 2024 | 166.05 | 167.59 | 165.03 | 166.72 | 2868 | NASDAQ | QLYS | Mon, Feb 26, 2024 | 163.00 | 167.45 | 163.00 | 165.60 | 2867 | NASDAQ | QLYS | Fri, Feb 23, 2024 | 162.78 | 165.48 | 162.01 | 163.47 | 2866 | NASDAQ | QLYS | Thu, Feb 22, 2024 | 162.17 | 163.38 | 160.44 | 161.89 | 2865 | NASDAQ | QLYS | Wed, Feb 21, 2024 | 157.64 | 160.96 | 156.51 | 159.47 | 2864 | NASDAQ | QLYS | Tue, Feb 20, 2024 | 163.94 | 165.26 | 161.48 | 164.00 | 2863 | NASDAQ | QLYS | Fri, Feb 16, 2024 | 169.01 | 169.37 | 163.56 | 164.57 | 2862 | NASDAQ | QLYS | Thu, Feb 15, 2024 | 172.00 | 172.00 | 168.71 | 169.92 | 2861 | NASDAQ | QLYS | Wed, Feb 14, 2024 | 171.48 | 172.95 | 168.90 | 170.57 | 2860 | NASDAQ | QLYS | Tue, Feb 13, 2024 | 166.83 | 171.98 | 165.69 | 169.79 | 2859 | NASDAQ | QLYS | Mon, Feb 12, 2024 | 171.41 | 173.00 | 169.75 | 171.65 | 2858 | NASDAQ | QLYS | Fri, Feb 9, 2024 | 171.20 | 174.64 | 168.98 | 171.85 | 2857 | NASDAQ | QLYS | Thu, Feb 8, 2024 | 163.54 | 174.73 | 159.00 | 169.65 | 2856 | NASDAQ | QLYS | Wed, Feb 7, 2024 | 178.71 | 182.45 | 175.61 | 177.17 | 2855 | NASDAQ | QLYS | Tue, Feb 6, 2024 | 169.34 | 181.97 | 166.73 | 176.79 | 2854 | NASDAQ | QLYS | Mon, Feb 5, 2024 | 184.00 | 184.04 | 165.66 | 168.24 | 2853 | NASDAQ | QLYS | Fri, Feb 2, 2024 | 188.97 | 190.67 | 187.60 | 187.87 | 2852 | NASDAQ | QLYS | Thu, Feb 1, 2024 | 189.39 | 190.61 | 186.68 | 190.39 | 2851 | NASDAQ | QLYS | Wed, Jan 31, 2024 | 192.09 | 192.09 | 188.54 | 189.17 | 2850 | NASDAQ | QLYS | Tue, Jan 30, 2024 | 191.68 | 193.38 | 190.15 | 193.18 | 2849 | NASDAQ | QLYS | Mon, Jan 29, 2024 | 188.60 | 191.91 | 188.60 | 191.68 | 2848 | NASDAQ | QLYS | Fri, Jan 26, 2024 | 193.07 | 193.50 | 187.35 | 188.79 | 2847 | NASDAQ | QLYS | Thu, Jan 25, 2024 | 199.37 | 199.37 | 192.30 | 193.10 | 2846 | NASDAQ | QLYS | Wed, Jan 24, 2024 | 200.22 | 200.90 | 196.26 | 196.33 | 2845 | NASDAQ | QLYS | Tue, Jan 23, 2024 | 199.25 | 199.25 | 196.46 | 198.19 | 2844 | NASDAQ | QLYS | Mon, Jan 22, 2024 | 200.00 | 201.03 | 196.09 | 197.96 | 2843 | NASDAQ | QLYS | Fri, Jan 19, 2024 | 198.88 | 199.60 | 191.12 | 196.37 | 2842 | NASDAQ | QLYS | Thu, Jan 18, 2024 | 195.65 | 198.19 | 194.33 | 197.76 | 2841 | NASDAQ | QLYS | Wed, Jan 17, 2024 | 190.02 | 194.81 | 186.70 | 193.54 | 2840 | NASDAQ | QLYS | Tue, Jan 16, 2024 | 193.10 | 194.30 | 191.05 | 192.18 | 2839 | NASDAQ | QLYS | Fri, Jan 12, 2024 | 194.35 | 195.06 | 191.09 | 193.10 | 2838 | NASDAQ | QLYS | Thu, Jan 11, 2024 | 189.37 | 192.18 | 187.71 | 191.99 | 2837 | NASDAQ | QLYS | Wed, Jan 10, 2024 | 186.50 | 189.58 | 185.21 | 188.63 | 2836 | NASDAQ | QLYS | Tue, Jan 9, 2024 | 183.00 | 188.34 | 183.00 | 186.23 | 2835 | NASDAQ | QLYS | Mon, Jan 8, 2024 | 181.17 | 184.46 | 181.17 | 184.18 | 2834 | NASDAQ | QLYS | Fri, Jan 5, 2024 | 182.96 | 184.66 | 180.01 | 180.30 | 2833 | NASDAQ | QLYS | Thu, Jan 4, 2024 | 186.42 | 189.01 | 182.57 | 184.21 | 2832 | NASDAQ | QLYS | Wed, Jan 3, 2024 | 190.68 | 191.00 | 185.34 | 185.36 | 2831 | NASDAQ | QLYS | Tue, Jan 2, 2024 | 194.40 | 194.40 | 189.18 | 191.88 | 2830 | NASDAQ | QLYS | Fri, Dec 29, 2023 | 197.89 | 197.89 | 195.02 | 196.28 | 2829 | NASDAQ | QLYS | Thu, Dec 28, 2023 | 201.22 | 201.60 | 197.62 | 198.29 | 2828 | NASDAQ | QLYS | Wed, Dec 27, 2023 | 203.01 | 203.45 | 201.18 | 201.62 | 2827 | NASDAQ | QLYS | Tue, Dec 26, 2023 | 204.59 | 205.00 | 203.05 | 203.08 | 2826 | NASDAQ | QLYS | Fri, Dec 22, 2023 | 204.26 | 206.25 | 203.49 | 204.41 | 2825 | NASDAQ | QLYS | Thu, Dec 21, 2023 | 203.08 | 205.27 | 200.91 | 203.53 | 2824 | NASDAQ | QLYS | Wed, Dec 20, 2023 | 204.65 | 206.27 | 201.21 | 201.88 | 2823 | NASDAQ | QLYS | Tue, Dec 19, 2023 | 202.16 | 206.35 | 200.41 | 205.89 | 2822 | NASDAQ | QLYS | Mon, Dec 18, 2023 | 200.02 | 202.60 | 197.29 | 202.14 | 2821 | NASDAQ | QLYS | Fri, Dec 15, 2023 | 197.39 | 200.84 | 196.67 | 198.85 | 2820 | NASDAQ | QLYS | Thu, Dec 14, 2023 | 194.00 | 195.97 | 192.87 | 195.61 | 2819 | NASDAQ | QLYS | Wed, Dec 13, 2023 | 191.75 | 193.89 | 190.47 | 193.58 | 2818 | NASDAQ | QLYS | Tue, Dec 12, 2023 | 190.00 | 192.19 | 188.40 | 191.13 | 2817 | NASDAQ | QLYS | Mon, Dec 11, 2023 | 188.81 | 190.00 | 187.23 | 189.20 | 2816 | NASDAQ | QLYS | Fri, Dec 8, 2023 | 185.55 | 189.01 | 185.55 | 188.32 | 2815 | NASDAQ | QLYS | Thu, Dec 7, 2023 | 185.79 | 187.32 | 185.02 | 186.53 | 2814 | NASDAQ | QLYS | Wed, Dec 6, 2023 | 186.17 | 188.18 | 185.52 | 185.73 | 2813 | NASDAQ | QLYS | Tue, Dec 5, 2023 | 185.89 | 186.37 | 184.01 | 184.79 | 2812 | NASDAQ | QLYS | Mon, Dec 4, 2023 | 187.20 | 188.65 | 185.11 | 187.71 | 2811 | NASDAQ | QLYS | Fri, Dec 1, 2023 | 185.04 | 188.37 | 182.64 | 188.01 | 2810 | NASDAQ | QLYS | Thu, Nov 30, 2023 | 183.68 | 185.09 | 180.78 | 184.84 | 2809 | NASDAQ | QLYS | Wed, Nov 29, 2023 | 182.00 | 184.35 | 181.00 | 183.76 | 2808 | NASDAQ | QLYS | Tue, Nov 28, 2023 | 180.75 | 182.26 | 179.90 | 180.57 | 2807 | NASDAQ | QLYS | Mon, Nov 27, 2023 | 179.46 | 182.00 | 179.39 | 181.46 | 2806 | NASDAQ | QLYS | Fri, Nov 24, 2023 | 176.71 | 180.99 | 176.55 | 180.47 | 2805 | NASDAQ | QLYS | Wed, Nov 22, 2023 | 182.00 | 183.49 | 179.02 | 179.24 | 2804 | NASDAQ | QLYS | Tue, Nov 21, 2023 | 179.00 | 180.96 | 178.44 | 180.77 | 2803 | NASDAQ | QLYS | Mon, Nov 20, 2023 | 178.56 | 180.07 | 178.10 | 179.71 | 2802 | NASDAQ | QLYS | Fri, Nov 17, 2023 | 175.71 | 178.57 | 175.71 | 178.56 | 2801 | NASDAQ | QLYS | Thu, Nov 16, 2023 | 174.76 | 176.15 | 172.20 | 174.95 | 2800 | NASDAQ | QLYS | Wed, Nov 15, 2023 | 176.91 | 177.03 | 174.65 | 174.85 | 2799 | NASDAQ | QLYS | Tue, Nov 14, 2023 | 175.00 | 177.40 | 171.91 | 176.55 | 2798 | NASDAQ | QLYS | Mon, Nov 13, 2023 | 171.08 | 173.05 | 167.40 | 172.93 | 2797 | NASDAQ | QLYS | Fri, Nov 10, 2023 | 168.26 | 171.83 | 168.26 | 171.72 | 2796 | NASDAQ | QLYS | Thu, Nov 9, 2023 | 168.41 | 169.66 | 166.78 | 167.98 | 2795 | NASDAQ | QLYS | Wed, Nov 8, 2023 | 171.56 | 171.99 | 165.67 | 167.43 | 2794 | NASDAQ | QLYS | Tue, Nov 7, 2023 | 170.91 | 172.83 | 168.33 | 172.18 | 2793 | NASDAQ | QLYS | Mon, Nov 6, 2023 | 169.81 | 170.53 | 165.41 | 170.46 | 2792 | NASDAQ | QLYS | Fri, Nov 3, 2023 | 156.10 | 171.77 | 153.96 | 170.00 | 2791 | NASDAQ | QLYS | Thu, Nov 2, 2023 | 153.05 | 153.70 | 149.25 | 152.72 | 2790 | NASDAQ | QLYS | Wed, Nov 1, 2023 | 153.87 | 154.29 | 149.17 | 151.95 | 2789 | NASDAQ | QLYS | Tue, Oct 31, 2023 | 151.99 | 154.01 | 150.90 | 152.95 | 2788 | NASDAQ | QLYS | Mon, Oct 30, 2023 | 153.71 | 153.71 | 149.84 | 151.05 | 2787 | NASDAQ | QLYS | Fri, Oct 27, 2023 | 151.99 | 153.44 | 150.20 | 152.21 | 2786 | NASDAQ | QLYS | Thu, Oct 26, 2023 | 152.06 | 154.43 | 151.59 | 152.17 | 2785 | NASDAQ | QLYS | Wed, Oct 25, 2023 | 156.43 | 156.62 | 151.68 | 151.95 | 2784 | NASDAQ | QLYS | Tue, Oct 24, 2023 | 155.50 | 158.87 | 154.24 | 157.26 | 2783 | NASDAQ | QLYS | Mon, Oct 23, 2023 | 155.31 | 156.66 | 154.06 | 154.19 | 2782 | NASDAQ | QLYS | Fri, Oct 20, 2023 | 161.49 | 161.49 | 154.45 | 155.79 | 2781 | NASDAQ | QLYS | Thu, Oct 19, 2023 | 164.50 | 164.50 | 161.12 | 161.53 | 2780 | NASDAQ | QLYS | Wed, Oct 18, 2023 | 162.88 | 164.50 | 162.01 | 163.26 | 2779 | NASDAQ | QLYS | Tue, Oct 17, 2023 | 162.29 | 164.01 | 161.03 | 162.80 | 2778 | NASDAQ | QLYS | Mon, Oct 16, 2023 | 161.50 | 163.73 | 161.50 | 162.34 | 2777 | NASDAQ | QLYS | Fri, Oct 13, 2023 | 158.88 | 161.52 | 157.79 | 161.02 | 2776 | NASDAQ | QLYS | Thu, Oct 12, 2023 | 161.94 | 162.84 | 157.19 | 159.25 | 2775 | NASDAQ | QLYS | Wed, Oct 11, 2023 | 163.75 | 165.03 | 160.94 | 162.01 | 2774 | NASDAQ | QLYS | Tue, Oct 10, 2023 | 161.75 | 164.94 | 161.61 | 163.49 | 2773 | NASDAQ | QLYS | Mon, Oct 9, 2023 | 159.78 | 161.94 | 157.96 | 161.23 | 2772 | NASDAQ | QLYS | Fri, Oct 6, 2023 | 154.13 | 161.50 | 153.39 | 160.97 | 2771 | NASDAQ | QLYS | Thu, Oct 5, 2023 | 155.04 | 156.16 | 153.66 | 154.78 | 2770 | NASDAQ | QLYS | Wed, Oct 4, 2023 | 152.05 | 155.21 | 152.05 | 154.76 | 2769 | NASDAQ | QLYS | Tue, Oct 3, 2023 | 151.96 | 153.18 | 150.55 | 151.49 | 2768 | NASDAQ | QLYS | Mon, Oct 2, 2023 | 152.40 | 153.50 | 151.51 | 152.95 | 2767 | NASDAQ | QLYS | Fri, Sep 29, 2023 | 153.85 | 155.08 | 152.16 | 152.55 | 2766 | NASDAQ | QLYS | Thu, Sep 28, 2023 | 153.15 | 154.38 | 152.50 | 152.84 | 2765 | NASDAQ | QLYS | Wed, Sep 27, 2023 | 152.07 | 153.94 | 149.01 | 153.32 | 2764 | NASDAQ | QLYS | Tue, Sep 26, 2023 | 152.92 | 155.10 | 150.37 | 151.46 | 2763 | NASDAQ | QLYS | Mon, Sep 25, 2023 | 152.53 | 155.44 | 152.22 | 153.59 | 2762 | NASDAQ | QLYS | Fri, Sep 22, 2023 | 151.54 | 153.50 | 150.91 | 153.12 | 2761 | NASDAQ | QLYS | Thu, Sep 21, 2023 | 151.91 | 152.13 | 149.64 | 151.05 | 2760 | NASDAQ | QLYS | Wed, Sep 20, 2023 | 151.75 | 153.93 | 151.14 | 152.34 | 2759 | NASDAQ | QLYS | Tue, Sep 19, 2023 | 151.11 | 151.82 | 149.00 | 151.26 | 2758 | NASDAQ | QLYS | Mon, Sep 18, 2023 | 149.77 | 152.15 | 149.77 | 151.26 | 2757 | NASDAQ | QLYS | Fri, Sep 15, 2023 | 152.55 | 152.55 | 149.01 | 149.79 | 2756 | NASDAQ | QLYS | Thu, Sep 14, 2023 | 153.00 | 153.21 | 151.72 | 152.54 | 2755 | NASDAQ | QLYS | Wed, Sep 13, 2023 | 155.30 | 155.71 | 151.76 | 152.82 | 2754 | NASDAQ | QLYS | Tue, Sep 12, 2023 | 157.00 | 157.88 | 155.01 | 155.32 | 2753 | NASDAQ | QLYS | Mon, Sep 11, 2023 | 157.29 | 157.29 | 157.29 | 157.29 | 2752 | NASDAQ | QLYS | Fri, Sep 8, 2023 | 155.59 | 156.05 | 153.63 | 153.71 | 2751 | NASDAQ | QLYS | Thu, Sep 7, 2023 | 154.63 | 155.24 | 153.25 | 155.15 | 2750 | NASDAQ | QLYS | Wed, Sep 6, 2023 | 152.53 | 155.21 | 151.53 | 154.95 | 2749 | NASDAQ | QLYS | Tue, Sep 5, 2023 | 154.80 | 155.32 | 152.04 | 152.27 | 2748 | NASDAQ | QLYS | Fri, Sep 1, 2023 | 156.29 | 157.79 | 155.94 | 155.99 | 2747 | NASDAQ | QLYS | Thu, Aug 31, 2023 | 155.60 | 156.71 | 155.03 | 155.65 | 2746 | NASDAQ | QLYS | Wed, Aug 30, 2023 | 153.00 | 156.00 | 152.44 | 154.93 | 2745 | NASDAQ | QLYS | Tue, Aug 29, 2023 | 150.45 | 153.35 | 150.39 | 153.12 | 2744 | NASDAQ | QLYS | Mon, Aug 28, 2023 | 150.44 | 151.48 | 150.00 | 150.76 | 2743 | NASDAQ | QLYS | Fri, Aug 25, 2023 | 146.61 | 150.61 | 145.78 | 150.44 | 2742 | NASDAQ | QLYS | Thu, Aug 24, 2023 | 149.00 | 149.16 | 146.05 | 146.13 | 2741 | NASDAQ | QLYS | Wed, Aug 23, 2023 | 146.49 | 148.29 | 145.10 | 147.91 | 2740 | NASDAQ | QLYS | Tue, Aug 22, 2023 | 144.84 | 146.52 | 143.85 | 145.72 | 2739 | NASDAQ | QLYS | Mon, Aug 21, 2023 | 146.00 | 147.56 | 144.58 | 144.72 | 2738 | NASDAQ | QLYS | Fri, Aug 18, 2023 | 140.92 | 145.63 | 140.00 | 144.78 | 2737 | NASDAQ | QLYS | Thu, Aug 17, 2023 | 148.40 | 148.40 | 142.18 | 142.73 | 2736 | NASDAQ | QLYS | Wed, Aug 16, 2023 | 148.80 | 150.85 | 147.93 | 148.53 | 2735 | NASDAQ | QLYS | Tue, Aug 15, 2023 | 150.38 | 151.64 | 149.09 | 149.49 | 2734 | NASDAQ | QLYS | Mon, Aug 14, 2023 | 150.93 | 153.06 | 149.89 | 150.95 | 2733 | NASDAQ | QLYS | Fri, Aug 11, 2023 | 146.83 | 151.17 | 146.53 | 150.96 | 2732 | NASDAQ | QLYS | Thu, Aug 10, 2023 | 148.16 | 149.69 | 146.49 | 147.27 | 2731 | NASDAQ | QLYS | Wed, Aug 9, 2023 | 144.00 | 148.89 | 143.00 | 147.04 | 2730 | NASDAQ | QLYS | Tue, Aug 8, 2023 | 142.12 | 143.77 | 140.03 | 143.69 | 2729 | NASDAQ | QLYS | Mon, Aug 7, 2023 | 143.24 | 144.72 | 138.55 | 144.50 | 2728 | NASDAQ | QLYS | Fri, Aug 4, 2023 | 154.85 | 154.85 | 136.40 | 143.63 | 2727 | NASDAQ | QLYS | Thu, Aug 3, 2023 | 134.58 | 138.45 | 134.37 | 138.04 | 2726 | NASDAQ | QLYS | Wed, Aug 2, 2023 | 137.87 | 138.74 | 133.99 | 135.27 | 2725 | NASDAQ | QLYS | Tue, Aug 1, 2023 | 138.80 | 140.29 | 137.43 | 139.44 | 2724 | NASDAQ | QLYS | Mon, Jul 31, 2023 | 135.87 | 139.32 | 135.87 | 138.80 | 2723 | NASDAQ | QLYS | Fri, Jul 28, 2023 | 137.86 | 139.16 | 135.74 | 135.87 | 2722 | NASDAQ | QLYS | Thu, Jul 27, 2023 | 140.27 | 140.79 | 136.21 | 137.03 | 2721 | NASDAQ | QLYS | Wed, Jul 26, 2023 | 134.56 | 139.20 | 133.58 | 139.00 | 2720 | NASDAQ | QLYS | Tue, Jul 25, 2023 | 133.26 | 136.36 | 132.64 | 134.38 | 2719 | NASDAQ | QLYS | Mon, Jul 24, 2023 | 131.39 | 133.41 | 129.60 | 133.36 | 2718 | NASDAQ | QLYS | Fri, Jul 21, 2023 | 132.51 | 133.34 | 130.94 | 131.11 | 2717 | NASDAQ | QLYS | Thu, Jul 20, 2023 | 132.36 | 132.36 | 130.01 | 131.04 | 2716 | NASDAQ | QLYS | Wed, Jul 19, 2023 | 132.64 | 134.30 | 132.22 | 132.82 | 2715 | NASDAQ | QLYS | Tue, Jul 18, 2023 | 130.60 | 132.02 | 129.50 | 131.87 | 2714 | NASDAQ | QLYS | Mon, Jul 17, 2023 | 129.67 | 131.64 | 129.09 | 130.24 | 2713 | NASDAQ | QLYS | Fri, Jul 14, 2023 | 129.96 | 130.69 | 129.17 | 129.28 | 2712 | NASDAQ | QLYS | Thu, Jul 13, 2023 | 128.98 | 131.72 | 128.98 | 129.96 | 2711 | NASDAQ | QLYS | Wed, Jul 12, 2023 | 129.81 | 129.90 | 127.42 | 128.09 | 2710 | NASDAQ | QLYS | Tue, Jul 11, 2023 | 129.49 | 129.99 | 126.46 | 127.11 | 2709 | NASDAQ | QLYS | Mon, Jul 10, 2023 | 123.87 | 129.20 | 123.67 | 129.20 | 2708 | NASDAQ | QLYS | Fri, Jul 7, 2023 | 123.98 | 127.10 | 123.98 | 124.63 | 2707 | NASDAQ | QLYS | Thu, Jul 6, 2023 | 125.18 | 125.60 | 122.53 | 124.26 | 2706 | NASDAQ | QLYS | Wed, Jul 5, 2023 | 127.49 | 127.96 | 126.51 | 127.19 | 2705 | NASDAQ | QLYS | Mon, Jul 3, 2023 | 128.73 | 129.09 | 127.86 | 128.40 | 2704 | NASDAQ | QLYS | Fri, Jun 30, 2023 | 130.16 | 130.99 | 129.09 | 129.17 | 2703 | NASDAQ | QLYS | Thu, Jun 29, 2023 | 125.97 | 128.60 | 125.46 | 128.55 | 2702 | NASDAQ | QLYS | Wed, Jun 28, 2023 | 126.48 | 128.24 | 125.10 | 125.70 | 2701 | NASDAQ | QLYS | Tue, Jun 27, 2023 | 124.16 | 127.15 | 124.16 | 126.80 | 2700 | NASDAQ | QLYS | Mon, Jun 26, 2023 | 123.91 | 126.19 | 123.35 | 123.35 | 2699 | NASDAQ | QLYS | Fri, Jun 23, 2023 | 124.65 | 125.37 | 123.80 | 124.55 | 2698 | NASDAQ | QLYS | Thu, Jun 22, 2023 | 125.28 | 126.65 | 124.75 | 126.59 | 2697 | NASDAQ | QLYS | Wed, Jun 21, 2023 | 128.64 | 129.11 | 124.88 | 125.70 | 2696 | NASDAQ | QLYS | Tue, Jun 20, 2023 | 129.96 | 131.48 | 127.28 | 128.85 | 2695 | NASDAQ | QLYS | Fri, Jun 16, 2023 | 134.28 | 134.28 | 130.18 | 131.01 | 2694 | NASDAQ | QLYS | Thu, Jun 15, 2023 | 128.30 | 132.04 | 126.66 | 131.69 | 2693 | NASDAQ | QLYS | Wed, Jun 14, 2023 | 130.95 | 131.36 | 127.24 | 129.43 | 2692 | NASDAQ | QLYS | Tue, Jun 13, 2023 | 131.20 | 132.14 | 129.19 | 130.91 | 2691 | NASDAQ | QLYS | Mon, Jun 12, 2023 | 128.12 | 130.50 | 125.85 | 130.16 | 2690 | NASDAQ | QLYS | Fri, Jun 9, 2023 | 125.40 | 128.30 | 125.30 | 128.12 | 2689 | NASDAQ | QLYS | Thu, Jun 8, 2023 | 126.55 | 129.90 | 125.88 | 128.35 | 2688 | NASDAQ | QLYS | Wed, Jun 7, 2023 | 131.22 | 132.03 | 125.12 | 126.62 | 2687 | NASDAQ | QLYS | Tue, Jun 6, 2023 | 128.31 | 131.59 | 127.45 | 131.11 | 2686 | NASDAQ | QLYS | Mon, Jun 5, 2023 | 128.90 | 129.00 | 125.29 | 128.01 | 2685 | NASDAQ | QLYS | Fri, Jun 2, 2023 | 126.59 | 130.22 | 126.59 | 130.00 | 2684 | NASDAQ | QLYS | Thu, Jun 1, 2023 | 125.22 | 127.41 | 123.24 | 126.78 | 2683 | NASDAQ | QLYS | Wed, May 31, 2023 | 123.55 | 126.76 | 123.55 | 126.26 | 2682 | NASDAQ | QLYS | Tue, May 30, 2023 | 128.41 | 128.89 | 122.66 | 122.91 | 2681 | NASDAQ | QLYS | Fri, May 26, 2023 | 124.10 | 127.71 | 124.10 | 126.80 | 2680 | NASDAQ | QLYS | Thu, May 25, 2023 | 123.97 | 125.40 | 123.02 | 123.93 | 2679 | NASDAQ | QLYS | Wed, May 24, 2023 | 119.22 | 123.65 | 119.12 | 123.07 | 2678 | NASDAQ | QLYS | Tue, May 23, 2023 | 121.71 | 122.69 | 120.01 | 120.19 | 2677 | NASDAQ | QLYS | Mon, May 22, 2023 | 120.71 | 122.38 | 120.43 | 122.19 | 2676 | NASDAQ | QLYS | Fri, May 19, 2023 | 119.31 | 121.23 | 118.82 | 120.64 | 2675 | NASDAQ | QLYS | Thu, May 18, 2023 | 117.50 | 118.82 | 116.95 | 118.38 | 2674 | NASDAQ | QLYS | Wed, May 17, 2023 | 116.19 | 118.23 | 115.62 | 117.88 | 2673 | NASDAQ | QLYS | Tue, May 16, 2023 | 116.32 | 117.39 | 115.66 | 115.75 | 2672 | NASDAQ | QLYS | Mon, May 15, 2023 | 115.00 | 117.48 | 114.51 | 117.30 | 2671 | NASDAQ | QLYS | Fri, May 12, 2023 | 114.79 | 115.60 | 113.69 | 115.07 | 2670 | NASDAQ | QLYS | Thu, May 11, 2023 | 115.13 | 115.91 | 113.00 | 114.84 | 2669 | NASDAQ | QLYS | Wed, May 10, 2023 | 115.90 | 117.00 | 114.23 | 115.38 | 2668 | NASDAQ | QLYS | Tue, May 9, 2023 | 115.42 | 115.97 | 113.03 | 114.31 | 2667 | NASDAQ | QLYS | Mon, May 8, 2023 | 115.25 | 117.80 | 112.17 | 115.31 | 2666 | NASDAQ | QLYS | Fri, May 5, 2023 | 110.00 | 119.13 | 107.00 | 116.61 | 2665 | NASDAQ | QLYS | Thu, May 4, 2023 | 107.42 | 109.05 | 107.12 | 108.25 | 2664 | NASDAQ | QLYS | Wed, May 3, 2023 | 108.27 | 110.07 | 107.36 | 107.64 | 2663 | NASDAQ | QLYS | Tue, May 2, 2023 | 110.61 | 110.67 | 107.87 | 108.00 | 2662 | NASDAQ | QLYS | Mon, May 1, 2023 | 111.32 | 112.77 | 110.95 | 111.31 | 2661 | NASDAQ | QLYS | Fri, Apr 28, 2023 | 112.35 | 113.38 | 110.46 | 112.94 | 2660 | NASDAQ | QLYS | Thu, Apr 27, 2023 | 111.94 | 113.67 | 110.75 | 113.26 | 2659 | NASDAQ | QLYS | Wed, Apr 26, 2023 | 112.81 | 113.46 | 110.98 | 111.52 | 2658 | NASDAQ | QLYS | Tue, Apr 25, 2023 | 117.64 | 117.64 | 111.60 | 112.68 | 2657 | NASDAQ | QLYS | Mon, Apr 24, 2023 | 123.45 | 123.83 | 120.95 | 122.71 | 2656 | NASDAQ | QLYS | Fri, Apr 21, 2023 | 125.17 | 125.30 | 123.54 | 123.61 | 2655 | NASDAQ | QLYS | Thu, Apr 20, 2023 | 123.79 | 124.98 | 123.52 | 124.88 | 2654 | NASDAQ | QLYS | Wed, Apr 19, 2023 | 126.58 | 127.28 | 124.61 | 125.04 | 2653 | NASDAQ | QLYS | Tue, Apr 18, 2023 | 129.00 | 130.54 | 126.49 | 127.01 | 2652 | NASDAQ | QLYS | Mon, Apr 17, 2023 | 129.23 | 130.24 | 127.55 | 128.91 | 2651 | NASDAQ | QLYS | Fri, Apr 14, 2023 | 130.06 | 130.06 | 126.57 | 128.55 | 2650 | NASDAQ | QLYS | Thu, Apr 13, 2023 | 128.40 | 130.90 | 128.40 | 130.77 | 2649 | NASDAQ | QLYS | Wed, Apr 12, 2023 | 128.53 | 130.21 | 127.13 | 127.66 | 2648 | NASDAQ | QLYS | Tue, Apr 11, 2023 | 126.23 | 127.73 | 124.97 | 127.16 | 2647 | NASDAQ | QLYS | Mon, Apr 10, 2023 | 125.66 | 127.40 | 124.63 | 127.15 | 2646 | NASDAQ | QLYS | Thu, Apr 6, 2023 | 126.25 | 127.24 | 124.77 | 127.14 | 2645 | NASDAQ | QLYS | Wed, Apr 5, 2023 | 127.51 | 128.97 | 124.67 | 126.54 | 2644 | NASDAQ | QLYS | Tue, Apr 4, 2023 | 127.86 | 129.30 | 127.19 | 128.12 | 2643 | NASDAQ | QLYS | Mon, Apr 3, 2023 | 128.98 | 129.29 | 125.77 | 127.16 | 2642 | NASDAQ | QLYS | Fri, Mar 31, 2023 | 126.77 | 130.63 | 126.77 | 130.02 | 2641 | NASDAQ | QLYS | Thu, Mar 30, 2023 | 125.91 | 127.16 | 125.24 | 125.74 | 2640 | NASDAQ | QLYS | Wed, Mar 29, 2023 | 125.30 | 126.62 | 123.97 | 125.27 | 2639 | NASDAQ | QLYS | Tue, Mar 28, 2023 | 125.53 | 126.49 | 123.60 | 124.31 | 2638 | NASDAQ | QLYS | Mon, Mar 27, 2023 | 124.81 | 126.42 | 123.99 | 126.06 | 2637 | NASDAQ | QLYS | Fri, Mar 24, 2023 | 122.96 | 124.00 | 122.17 | 123.84 | 2636 | NASDAQ | QLYS | Thu, Mar 23, 2023 | 121.18 | 124.39 | 121.17 | 123.24 | 2635 | NASDAQ | QLYS | Wed, Mar 22, 2023 | 123.60 | 124.27 | 120.05 | 120.18 | 2634 | NASDAQ | QLYS | Tue, Mar 21, 2023 | 125.52 | 126.00 | 122.73 | 123.43 | 2633 | NASDAQ | QLYS | Mon, Mar 20, 2023 | 121.65 | 124.86 | 120.79 | 124.67 | 2632 | NASDAQ | QLYS | Fri, Mar 17, 2023 | 122.79 | 122.79 | 119.56 | 121.27 | 2631 | NASDAQ | QLYS | Thu, Mar 16, 2023 | 119.54 | 122.10 | 117.77 | 122.02 | 2630 | NASDAQ | QLYS | Wed, Mar 15, 2023 | 119.60 | 121.50 | 118.84 | 120.64 | 2629 | NASDAQ | QLYS | Tue, Mar 14, 2023 | 120.87 | 122.37 | 118.29 | 120.29 | 2628 | NASDAQ | QLYS | Mon, Mar 13, 2023 | 116.63 | 122.05 | 115.03 | 117.89 | 2627 | NASDAQ | QLYS | Fri, Mar 10, 2023 | 118.59 | 119.96 | 117.19 | 117.84 | 2626 | NASDAQ | QLYS | Thu, Mar 9, 2023 | 122.93 | 123.77 | 119.08 | 119.25 | 2625 | NASDAQ | QLYS | Wed, Mar 8, 2023 | 122.96 | 124.21 | 121.07 | 122.94 | 2624 | NASDAQ | QLYS | Tue, Mar 7, 2023 | 123.65 | 123.65 | 121.22 | 122.20 | 2623 | NASDAQ | QLYS | Mon, Mar 6, 2023 | 122.82 | 122.82 | 120.43 | 121.30 | 2622 | NASDAQ | QLYS | Fri, Mar 3, 2023 | 120.64 | 122.57 | 120.42 | 122.15 | 2621 | NASDAQ | QLYS | Thu, Mar 2, 2023 | 119.63 | 121.20 | 118.43 | 120.91 | 2620 | NASDAQ | QLYS | Wed, Mar 1, 2023 | 117.71 | 119.71 | 116.76 | 119.55 | 2619 | NASDAQ | QLYS | Tue, Feb 28, 2023 | 116.59 | 118.74 | 116.45 | 118.15 | 2618 | NASDAQ | QLYS | Mon, Feb 27, 2023 | 119.38 | 120.79 | 116.99 | 117.02 | 2617 | NASDAQ | QLYS | Fri, Feb 24, 2023 | 118.10 | 119.43 | 117.88 | 118.54 | 2616 | NASDAQ | QLYS | Thu, Feb 23, 2023 | 120.84 | 120.84 | 118.32 | 120.17 | 2615 | NASDAQ | QLYS | Wed, Feb 22, 2023 | 119.05 | 120.51 | 118.76 | 119.39 | 2614 | NASDAQ | QLYS | Tue, Feb 21, 2023 | 116.46 | 118.06 | 115.29 | 117.87 | 2613 | NASDAQ | QLYS | Fri, Feb 17, 2023 | 116.71 | 118.93 | 115.17 | 118.57 | 2612 | NASDAQ | QLYS | Thu, Feb 16, 2023 | 117.15 | 118.78 | 116.66 | 116.78 | 2611 | NASDAQ | QLYS | Wed, Feb 15, 2023 | 117.65 | 120.07 | 116.71 | 119.27 | 2610 | NASDAQ | QLYS | Tue, Feb 14, 2023 | 120.93 | 123.71 | 118.82 | 119.00 | 2609 | NASDAQ | QLYS | Mon, Feb 13, 2023 | 119.75 | 121.04 | 117.32 | 120.84 | 2608 | NASDAQ | QLYS | Fri, Feb 10, 2023 | 127.74 | 129.36 | 118.10 | 121.54 | 2607 | NASDAQ | QLYS | Thu, Feb 9, 2023 | 124.45 | 126.00 | 121.93 | 122.22 | 2606 | NASDAQ | QLYS | Wed, Feb 8, 2023 | 125.00 | 126.63 | 122.21 | 122.99 | 2605 | NASDAQ | QLYS | Tue, Feb 7, 2023 | 120.24 | 124.41 | 119.78 | 123.89 | 2604 | NASDAQ | QLYS | Mon, Feb 6, 2023 | 122.21 | 124.79 | 120.90 | 121.02 | 2603 | NASDAQ | QLYS | Fri, Feb 3, 2023 | 120.48 | 123.51 | 120.48 | 122.97 | 2602 | NASDAQ | QLYS | Thu, Feb 2, 2023 | 121.90 | 124.14 | 120.29 | 123.78 | 2601 | NASDAQ | QLYS | Wed, Feb 1, 2023 | 115.72 | 119.99 | 115.07 | 119.07 | 2600 | NASDAQ | QLYS | Tue, Jan 31, 2023 | 112.22 | 115.54 | 112.20 | 115.36 | 2599 | NASDAQ | QLYS | Mon, Jan 30, 2023 | 112.78 | 113.58 | 111.26 | 112.01 | 2598 | NASDAQ | QLYS | Fri, Jan 27, 2023 | 113.09 | 114.95 | 112.76 | 114.16 | 2597 | NASDAQ | QLYS | Thu, Jan 26, 2023 | 113.65 | 114.97 | 111.35 | 113.63 | 2596 | NASDAQ | QLYS | Wed, Jan 25, 2023 | 109.08 | 111.06 | 107.83 | 111.04 | 2595 | NASDAQ | QLYS | Tue, Jan 24, 2023 | 110.90 | 112.70 | 109.92 | 110.66 | 2594 | NASDAQ | QLYS | Mon, Jan 23, 2023 | 109.86 | 112.43 | 109.40 | 112.22 | 2593 | NASDAQ | QLYS | Fri, Jan 20, 2023 | 105.67 | 109.55 | 104.59 | 109.19 | 2592 | NASDAQ | QLYS | Thu, Jan 19, 2023 | 103.95 | 105.25 | 102.97 | 104.51 | 2591 | NASDAQ | QLYS | Wed, Jan 18, 2023 | 108.38 | 109.55 | 104.39 | 104.64 | 2590 | NASDAQ | QLYS | Tue, Jan 17, 2023 | 105.97 | 108.46 | 104.99 | 107.17 | 2589 | NASDAQ | QLYS | Fri, Jan 13, 2023 | 104.34 | 106.08 | 104.13 | 105.50 | 2588 | NASDAQ | QLYS | Thu, Jan 12, 2023 | 104.84 | 105.80 | 101.98 | 105.20 | 2587 | NASDAQ | QLYS | Wed, Jan 11, 2023 | 104.31 | 106.23 | 103.61 | 105.47 | 2586 | NASDAQ | QLYS | Tue, Jan 10, 2023 | 104.56 | 105.38 | 101.42 | 103.67 | 2585 | NASDAQ | QLYS | Mon, Jan 9, 2023 | 103.60 | 106.98 | 103.04 | 104.96 | 2584 | NASDAQ | QLYS | Fri, Jan 6, 2023 | 104.93 | 104.93 | 101.10 | 102.73 | 2583 | NASDAQ | QLYS | Thu, Jan 5, 2023 | 109.00 | 110.00 | 101.73 | 101.86 | 2582 | NASDAQ | QLYS | Wed, Jan 4, 2023 | 112.76 | 114.25 | 111.18 | 112.09 | 2581 | NASDAQ | QLYS | Tue, Jan 3, 2023 | 113.94 | 115.47 | 110.70 | 111.51 | 2580 | NASDAQ | QLYS | Fri, Dec 30, 2022 | 111.41 | 112.72 | 111.33 | 112.23 | 2579 | NASDAQ | QLYS | Thu, Dec 29, 2022 | 110.74 | 113.49 | 110.60 | 112.73 | 2578 | NASDAQ | QLYS | Wed, Dec 28, 2022 | 110.31 | 111.31 | 109.02 | 109.40 | 2577 | NASDAQ | QLYS | Tue, Dec 27, 2022 | 111.00 | 112.17 | 109.92 | 110.36 | 2576 | NASDAQ | QLYS | Fri, Dec 23, 2022 | 110.00 | 111.36 | 109.26 | 111.34 | 2575 | NASDAQ | QLYS | Thu, Dec 22, 2022 | 111.05 | 111.87 | 109.30 | 110.79 | 2574 | NASDAQ | QLYS | Wed, Dec 21, 2022 | 113.97 | 114.85 | 112.15 | 112.56 | 2573 | NASDAQ | QLYS | Tue, Dec 20, 2022 | 111.20 | 114.92 | 110.56 | 113.73 | 2572 | NASDAQ | QLYS | Mon, Dec 19, 2022 | 113.34 | 113.34 | 111.38 | 112.26 | 2571 | NASDAQ | QLYS | Fri, Dec 16, 2022 | 112.09 | 114.99 | 111.28 | 113.44 | 2570 | NASDAQ | QLYS | Thu, Dec 15, 2022 | 116.48 | 118.81 | 114.07 | 114.26 | 2569 | NASDAQ | QLYS | Wed, Dec 14, 2022 | 119.61 | 121.75 | 116.93 | 117.87 | 2568 | NASDAQ | QLYS | Tue, Dec 13, 2022 | 124.76 | 124.87 | 116.75 | 119.93 | 2567 | NASDAQ | QLYS | Mon, Dec 12, 2022 | 118.83 | 121.24 | 118.70 | 119.71 | 2566 | NASDAQ | QLYS | Fri, Dec 9, 2022 | 117.34 | 118.92 | 116.45 | 117.73 | 2565 | NASDAQ | QLYS | Thu, Dec 8, 2022 | 115.50 | 119.29 | 114.61 | 117.74 | 2564 | NASDAQ | QLYS | Wed, Dec 7, 2022 | 117.01 | 118.84 | 115.39 | 115.40 | 2563 | NASDAQ | QLYS | Tue, Dec 6, 2022 | 118.41 | 118.41 | 114.47 | 116.22 | 2562 | NASDAQ | QLYS | Mon, Dec 5, 2022 | 120.50 | 121.22 | 116.76 | 118.63 | 2561 | NASDAQ | QLYS | Fri, Dec 2, 2022 | 121.52 | 122.88 | 120.35 | 121.86 | 2560 | NASDAQ | QLYS | Thu, Dec 1, 2022 | 124.32 | 127.63 | 123.23 | 124.93 | 2559 | NASDAQ | QLYS | Wed, Nov 30, 2022 | 120.11 | 123.44 | 116.52 | 123.32 | 2558 | NASDAQ | QLYS | Tue, Nov 29, 2022 | 122.55 | 123.89 | 120.57 | 121.05 | 2557 | NASDAQ | QLYS | Mon, Nov 28, 2022 | 124.37 | 125.78 | 122.45 | 123.17 | 2556 | NASDAQ | QLYS | Fri, Nov 25, 2022 | 124.75 | 126.06 | 124.02 | 125.31 | 2555 | NASDAQ | QLYS | Wed, Nov 23, 2022 | 122.64 | 126.59 | 122.51 | 125.09 | 2554 | NASDAQ | QLYS | Tue, Nov 22, 2022 | 123.78 | 124.63 | 121.56 | 123.21 | 2553 | NASDAQ | QLYS | Mon, Nov 21, 2022 | 123.39 | 124.55 | 122.49 | 123.15 | 2552 | NASDAQ | QLYS | Fri, Nov 18, 2022 | 126.64 | 127.59 | 123.21 | 123.97 | 2551 | NASDAQ | QLYS | Thu, Nov 17, 2022 | 123.78 | 124.54 | 121.02 | 122.95 | 2550 | NASDAQ | QLYS | Wed, Nov 16, 2022 | 126.51 | 127.95 | 124.57 | 125.98 | 2549 | NASDAQ | QLYS | Tue, Nov 15, 2022 | 127.87 | 131.42 | 127.05 | 127.79 | 2548 | NASDAQ | QLYS | Mon, Nov 14, 2022 | 125.71 | 127.66 | 123.84 | 125.40 | 2547 | NASDAQ | QLYS | Fri, Nov 11, 2022 | 121.92 | 126.73 | 121.85 | 126.52 | 2546 | NASDAQ | QLYS | Thu, Nov 10, 2022 | 120.25 | 122.62 | 118.28 | 122.25 | 2545 | NASDAQ | QLYS | Wed, Nov 9, 2022 | 116.34 | 117.15 | 112.98 | 113.34 | 2544 | NASDAQ | QLYS | Tue, Nov 8, 2022 | 111.52 | 117.98 | 110.64 | 116.78 | 2543 | NASDAQ | QLYS | Mon, Nov 7, 2022 | 112.37 | 113.06 | 110.07 | 110.53 | 2542 | NASDAQ | QLYS | Fri, Nov 4, 2022 | 113.82 | 113.82 | 107.69 | 111.29 | 2541 | NASDAQ | QLYS | Thu, Nov 3, 2022 | 119.67 | 119.90 | 110.50 | 112.38 | 2540 | NASDAQ | QLYS | Wed, Nov 2, 2022 | 138.71 | 139.15 | 133.66 | 133.82 | 2539 | NASDAQ | QLYS | Tue, Nov 1, 2022 | 142.94 | 142.94 | 137.18 | 139.71 | 2538 | NASDAQ | QLYS | Mon, Oct 31, 2022 | 141.97 | 145.15 | 141.54 | 142.56 | 2537 | NASDAQ | QLYS | Fri, Oct 28, 2022 | 141.22 | 142.73 | 138.74 | 142.36 | 2536 | NASDAQ | QLYS | Thu, Oct 27, 2022 | 140.78 | 143.20 | 139.61 | 140.38 | 2535 | NASDAQ | QLYS | Wed, Oct 26, 2022 | 138.12 | 143.92 | 137.41 | 139.10 | 2534 | NASDAQ | QLYS | Tue, Oct 25, 2022 | 135.01 | 139.64 | 135.00 | 139.07 | 2533 | NASDAQ | QLYS | Mon, Oct 24, 2022 | 134.22 | 134.89 | 132.81 | 133.87 | 2532 | NASDAQ | QLYS | Fri, Oct 21, 2022 | 133.81 | 133.82 | 128.04 | 133.35 | 2531 | NASDAQ | QLYS | Thu, Oct 20, 2022 | 131.13 | 134.05 | 129.57 | 130.57 | 2530 | NASDAQ | QLYS | Wed, Oct 19, 2022 | 133.58 | 134.40 | 130.26 | 131.11 | 2529 | NASDAQ | QLYS | Tue, Oct 18, 2022 | 134.79 | 137.98 | 133.12 | 135.46 | 2528 | NASDAQ | QLYS | Mon, Oct 17, 2022 | 129.90 | 132.45 | 129.17 | 131.68 | 2527 | NASDAQ | QLYS | Fri, Oct 14, 2022 | 133.09 | 133.13 | 125.91 | 126.50 | 2526 | NASDAQ | QLYS | Thu, Oct 13, 2022 | 127.74 | 132.66 | 126.51 | 131.09 | 2525 | NASDAQ | QLYS | Wed, Oct 12, 2022 | 135.09 | 136.38 | 130.21 | 131.19 | 2524 | NASDAQ | QLYS | Tue, Oct 11, 2022 | 132.57 | 137.20 | 131.43 | 134.46 | 2523 | NASDAQ | QLYS | Mon, Oct 10, 2022 | 137.06 | 137.23 | 130.31 | 131.12 | 2522 | NASDAQ | QLYS | Fri, Oct 7, 2022 | 141.42 | 142.35 | 136.95 | 137.59 | 2521 | NASDAQ | QLYS | Thu, Oct 6, 2022 | 145.06 | 146.77 | 143.82 | 143.95 | 2520 | NASDAQ | QLYS | Wed, Oct 5, 2022 | 143.88 | 146.21 | 142.11 | 145.62 | 2519 | NASDAQ | QLYS | Tue, Oct 4, 2022 | 147.38 | 148.51 | 145.01 | 146.03 | 2518 | NASDAQ | QLYS | Mon, Oct 3, 2022 | 139.95 | 143.71 | 138.10 | 143.05 | 2517 | NASDAQ | QLYS | Fri, Sep 30, 2022 | 142.11 | 144.19 | 139.24 | 139.39 | 2516 | NASDAQ | QLYS | Thu, Sep 29, 2022 | 142.76 | 142.86 | 140.56 | 142.17 | 2515 | NASDAQ | QLYS | Wed, Sep 28, 2022 | 142.33 | 145.76 | 141.57 | 144.19 | 2514 | NASDAQ | QLYS | Tue, Sep 27, 2022 | 143.71 | 144.56 | 140.43 | 141.83 | 2513 | NASDAQ | QLYS | Mon, Sep 26, 2022 | 140.38 | 143.74 | 140.25 | 140.92 | 2512 | NASDAQ | QLYS | Fri, Sep 23, 2022 | 143.40 | 144.58 | 140.34 | 141.42 | 2511 | NASDAQ | QLYS | Thu, Sep 22, 2022 | 147.21 | 148.47 | 144.28 | 144.79 | 2510 | NASDAQ | QLYS | Wed, Sep 21, 2022 | 152.31 | 152.83 | 148.15 | 148.15 | 2509 | NASDAQ | QLYS | Tue, Sep 20, 2022 | 150.94 | 152.32 | 149.97 | 150.67 | 2508 | NASDAQ | QLYS | Mon, Sep 19, 2022 | 147.11 | 152.84 | 147.11 | 152.16 | 2507 | NASDAQ | QLYS | Fri, Sep 16, 2022 | 153.52 | 153.95 | 147.46 | 148.60 | 2506 | NASDAQ | QLYS | Thu, Sep 15, 2022 | 154.38 | 157.00 | 153.57 | 155.06 | 2505 | NASDAQ | QLYS | Wed, Sep 14, 2022 | 157.98 | 158.55 | 153.88 | 156.03 | 2504 | NASDAQ | QLYS | Tue, Sep 13, 2022 | 154.94 | 158.23 | 154.15 | 157.75 | 2503 | NASDAQ | QLYS | Mon, Sep 12, 2022 | 160.85 | 162.36 | 158.70 | 160.02 | 2502 | NASDAQ | QLYS | Fri, Sep 9, 2022 | 155.81 | 160.82 | 155.81 | 159.85 | 2501 | NASDAQ | QLYS | Thu, Sep 8, 2022 | 150.38 | 154.20 | 149.44 | 154.20 | 2500 | NASDAQ | QLYS | Wed, Sep 7, 2022 | 147.19 | 150.73 | 147.19 | 150.49 | 2499 | NASDAQ | QLYS | Tue, Sep 6, 2022 | 147.64 | 149.68 | 146.38 | 147.16 | 2498 | NASDAQ | QLYS | Fri, Sep 2, 2022 | 149.36 | 150.62 | 146.13 | 146.99 | 2497 | NASDAQ | QLYS | Thu, Sep 1, 2022 | 151.87 | 151.87 | 146.61 | 147.76 | 2496 | NASDAQ | QLYS | Wed, Aug 31, 2022 | 154.58 | 155.54 | 151.59 | 151.90 | 2495 | NASDAQ | QLYS | Tue, Aug 30, 2022 | 154.89 | 156.21 | 152.28 | 153.92 | 2494 | NASDAQ | QLYS | Mon, Aug 29, 2022 | 151.43 | 154.49 | 150.33 | 153.39 | 2493 | NASDAQ | QLYS | Fri, Aug 26, 2022 | 158.64 | 159.28 | 153.94 | 154.06 | 2492 | NASDAQ | QLYS | Thu, Aug 25, 2022 | 157.84 | 159.47 | 157.50 | 158.18 | 2491 | NASDAQ | QLYS | Wed, Aug 24, 2022 | 153.58 | 157.76 | 152.73 | 156.29 | 2490 | NASDAQ | QLYS | Tue, Aug 23, 2022 | 154.28 | 154.68 | 152.38 | 153.35 | 2489 | NASDAQ | QLYS | Mon, Aug 22, 2022 | 152.20 | 153.40 | 150.61 | 151.68 | 2488 | NASDAQ | QLYS | Fri, Aug 19, 2022 | 155.77 | 155.77 | 152.10 | 153.59 | 2487 | NASDAQ | QLYS | Thu, Aug 18, 2022 | 153.15 | 157.54 | 152.39 | 156.41 | 2486 | NASDAQ | QLYS | Wed, Aug 17, 2022 | 154.27 | 155.48 | 152.93 | 153.88 | 2485 | NASDAQ | QLYS | Tue, Aug 16, 2022 | 153.15 | 155.75 | 152.53 | 155.60 | 2484 | NASDAQ | QLYS | Mon, Aug 15, 2022 | 148.24 | 154.05 | 148.24 | 153.94 | 2483 | NASDAQ | QLYS | Fri, Aug 12, 2022 | 146.93 | 150.58 | 144.65 | 149.45 | 2482 | NASDAQ | QLYS | Thu, Aug 11, 2022 | 148.50 | 149.94 | 144.25 | 145.39 | 2481 | NASDAQ | QLYS | Wed, Aug 10, 2022 | 142.53 | 149.20 | 141.88 | 148.03 | 2480 | NASDAQ | QLYS | Tue, Aug 9, 2022 | 135.00 | 144.00 | 133.00 | 142.70 | 2479 | NASDAQ | QLYS | Mon, Aug 8, 2022 | 129.07 | 129.95 | 126.08 | 127.43 | 2478 | NASDAQ | QLYS | Fri, Aug 5, 2022 | 125.92 | 128.56 | 125.10 | 127.76 | 2477 | NASDAQ | QLYS | Thu, Aug 4, 2022 | 127.40 | 128.55 | 123.51 | 126.91 | 2476 | NASDAQ | QLYS | Wed, Aug 3, 2022 | 125.25 | 129.14 | 125.25 | 128.88 | 2475 | NASDAQ | QLYS | Tue, Aug 2, 2022 | 122.65 | 125.60 | 120.79 | 124.40 | 2474 | NASDAQ | QLYS | Mon, Aug 1, 2022 | 121.40 | 124.98 | 121.00 | 123.99 | 2473 | NASDAQ | QLYS | Fri, Jul 29, 2022 | 122.32 | 123.39 | 119.66 | 122.32 | 2472 | NASDAQ | QLYS | Thu, Jul 28, 2022 | 119.84 | 124.17 | 118.90 | 122.12 | 2471 | NASDAQ | QLYS | Wed, Jul 27, 2022 | 125.88 | 128.49 | 114.02 | 118.93 | 2470 | NASDAQ | QLYS | Tue, Jul 26, 2022 | 129.53 | 131.09 | 124.64 | 125.49 | 2469 | NASDAQ | QLYS | Mon, Jul 25, 2022 | 130.18 | 130.65 | 128.20 | 129.89 | 2468 | NASDAQ | QLYS | Fri, Jul 22, 2022 | 132.21 | 132.78 | 129.16 | 129.90 | 2467 | NASDAQ | QLYS | Thu, Jul 21, 2022 | 128.14 | 131.92 | 127.46 | 131.92 | 2466 | NASDAQ | QLYS | Wed, Jul 20, 2022 | 128.13 | 130.79 | 128.13 | 128.79 | 2465 | NASDAQ | QLYS | Tue, Jul 19, 2022 | 125.26 | 127.73 | 124.02 | 127.56 | 2464 | NASDAQ | QLYS | Mon, Jul 18, 2022 | 123.78 | 127.00 | 122.36 | 123.05 | 2463 | NASDAQ | QLYS | Fri, Jul 15, 2022 | 123.48 | 124.49 | 121.09 | 123.89 | 2462 | NASDAQ | QLYS | Thu, Jul 14, 2022 | 120.49 | 121.44 | 116.52 | 120.83 | 2461 | NASDAQ | QLYS | Wed, Jul 13, 2022 | 120.76 | 123.14 | 117.84 | 121.87 | 2460 | NASDAQ | QLYS | Tue, Jul 12, 2022 | 130.21 | 132.42 | 122.58 | 123.97 | 2459 | NASDAQ | QLYS | Mon, Jul 11, 2022 | 131.22 | 131.83 | 129.38 | 130.21 | 2458 | NASDAQ | QLYS | Fri, Jul 8, 2022 | 131.91 | 133.44 | 131.09 | 132.34 | 2457 | NASDAQ | QLYS | Thu, Jul 7, 2022 | 131.07 | 134.84 | 130.91 | 133.51 | 2456 | NASDAQ | QLYS | Wed, Jul 6, 2022 | 131.10 | 133.52 | 130.33 | 131.13 | 2455 | NASDAQ | QLYS | Tue, Jul 5, 2022 | 128.58 | 131.23 | 127.64 | 130.99 | 2454 | NASDAQ | QLYS | Fri, Jul 1, 2022 | 126.14 | 130.36 | 125.10 | 129.85 | 2453 | NASDAQ | QLYS | Thu, Jun 30, 2022 | 127.59 | 128.64 | 124.18 | 126.14 | 2452 | NASDAQ | QLYS | Wed, Jun 29, 2022 | 129.49 | 130.08 | 127.02 | 129.42 | 2451 | NASDAQ | QLYS | Tue, Jun 28, 2022 | 134.59 | 136.03 | 128.58 | 129.26 | 2450 | NASDAQ | QLYS | Mon, Jun 27, 2022 | 136.55 | 137.27 | 134.02 | 135.23 | 2449 | NASDAQ | QLYS | Fri, Jun 24, 2022 | 133.12 | 137.80 | 133.03 | 136.52 | 2448 | NASDAQ | QLYS | Thu, Jun 23, 2022 | 125.44 | 131.88 | 124.68 | 130.85 | 2447 | NASDAQ | QLYS | Wed, Jun 22, 2022 | 122.58 | 126.31 | 121.61 | 124.31 | 2446 | NASDAQ | QLYS | Tue, Jun 21, 2022 | 123.48 | 124.89 | 122.51 | 123.76 | 2445 | NASDAQ | QLYS | Fri, Jun 17, 2022 | 118.28 | 123.08 | 118.28 | 121.91 | 2444 | NASDAQ | QLYS | Thu, Jun 16, 2022 | 118.23 | 119.74 | 115.06 | 117.78 | 2443 | NASDAQ | QLYS | Wed, Jun 15, 2022 | 121.47 | 123.55 | 118.83 | 121.31 | 2442 | NASDAQ | QLYS | Tue, Jun 14, 2022 | 122.50 | 123.36 | 118.60 | 119.89 | 2441 | NASDAQ | QLYS | Mon, Jun 13, 2022 | 120.71 | 123.41 | 119.36 | 121.80 | 2440 | NASDAQ | QLYS | Fri, Jun 10, 2022 | 126.28 | 128.83 | 124.07 | 124.94 | 2439 | NASDAQ | QLYS | Thu, Jun 9, 2022 | 130.95 | 132.87 | 128.75 | 128.81 | 2438 | NASDAQ | QLYS | Wed, Jun 8, 2022 | 132.73 | 133.86 | 130.93 | 132.29 | 2437 | NASDAQ | QLYS | Tue, Jun 7, 2022 | 129.27 | 133.75 | 128.97 | 133.68 | 2436 | NASDAQ | QLYS | Mon, Jun 6, 2022 | 134.00 | 134.47 | 128.54 | 130.75 | 2435 | NASDAQ | QLYS | Fri, Jun 3, 2022 | 132.21 | 134.92 | 130.55 | 132.30 | 2434 | NASDAQ | QLYS | Thu, Jun 2, 2022 | 128.63 | 133.98 | 128.60 | 133.84 | 2433 | NASDAQ | QLYS | Wed, Jun 1, 2022 | 131.70 | 133.70 | 128.30 | 129.67 | 2432 | NASDAQ | QLYS | Tue, May 31, 2022 | 137.73 | 137.98 | 130.41 | 130.68 | 2431 | NASDAQ | QLYS | Fri, May 27, 2022 | 131.00 | 138.74 | 131.00 | 138.20 | 2430 | NASDAQ | QLYS | Thu, May 26, 2022 | 125.90 | 131.35 | 125.50 | 130.96 | 2429 | NASDAQ | QLYS | Wed, May 25, 2022 | 121.88 | 125.50 | 121.31 | 125.38 | 2428 | NASDAQ | QLYS | Tue, May 24, 2022 | 122.76 | 124.28 | 121.43 | 122.88 | 2427 | NASDAQ | QLYS | Mon, May 23, 2022 | 120.53 | 124.78 | 120.14 | 124.02 | 2426 | NASDAQ | QLYS | Fri, May 20, 2022 | 120.58 | 123.14 | 117.30 | 120.37 | 2425 | NASDAQ | QLYS | Thu, May 19, 2022 | 114.92 | 119.74 | 113.98 | 117.74 | 2424 | NASDAQ | QLYS | Wed, May 18, 2022 | 116.17 | 119.32 | 114.58 | 115.57 | 2423 | NASDAQ | QLYS | Tue, May 17, 2022 | 121.92 | 122.88 | 116.29 | 118.70 | 2422 | NASDAQ | QLYS | Mon, May 16, 2022 | 120.80 | 122.56 | 117.93 | 118.29 | 2421 | NASDAQ | QLYS | Fri, May 13, 2022 | 116.56 | 121.74 | 116.56 | 121.30 | 2420 | NASDAQ | QLYS | Thu, May 12, 2022 | 111.28 | 116.70 | 110.74 | 114.48 | 2419 | NASDAQ | QLYS | Wed, May 11, 2022 | 116.10 | 118.50 | 111.97 | 112.45 | 2418 | NASDAQ | QLYS | Tue, May 10, 2022 | 116.17 | 117.99 | 112.29 | 117.25 | 2417 | NASDAQ | QLYS | Mon, May 9, 2022 | 117.23 | 118.63 | 112.62 | 113.49 | 2416 | NASDAQ | QLYS | Fri, May 6, 2022 | 128.08 | 129.19 | 118.34 | 119.32 | 2415 | NASDAQ | QLYS | Thu, May 5, 2022 | 138.00 | 139.74 | 125.86 | 130.84 | 2414 | NASDAQ | QLYS | Wed, May 4, 2022 | 135.58 | 139.72 | 130.53 | 138.52 | 2413 | NASDAQ | QLYS | Tue, May 3, 2022 | 139.00 | 139.88 | 132.83 | 134.83 | 2412 | NASDAQ | QLYS | Mon, May 2, 2022 | 136.38 | 139.24 | 135.30 | 139.00 | 2411 | NASDAQ | QLYS | Fri, Apr 29, 2022 | 139.46 | 142.23 | 135.57 | 136.28 | 2410 | NASDAQ | QLYS | Thu, Apr 28, 2022 | 140.23 | 141.57 | 138.20 | 140.52 | 2409 | NASDAQ | QLYS | Wed, Apr 27, 2022 | 137.51 | 140.60 | 135.65 | 138.03 | 2408 | NASDAQ | QLYS | Tue, Apr 26, 2022 | 141.97 | 142.50 | 136.18 | 136.74 | 2407 | NASDAQ | QLYS | Mon, Apr 25, 2022 | 138.62 | 143.19 | 138.62 | 143.08 | 2406 | NASDAQ | QLYS | Fri, Apr 22, 2022 | 142.22 | 142.97 | 138.87 | 139.33 | 2405 | NASDAQ | QLYS | Thu, Apr 21, 2022 | 148.42 | 149.48 | 141.19 | 142.34 | 2404 | NASDAQ | QLYS | Wed, Apr 20, 2022 | 147.37 | 147.95 | 144.39 | 146.75 | 2403 | NASDAQ | QLYS | Tue, Apr 19, 2022 | 142.07 | 147.62 | 140.46 | 146.32 | 2402 | NASDAQ | QLYS | Mon, Apr 18, 2022 | 145.90 | 145.90 | 141.59 | 142.22 | 2401 | NASDAQ | QLYS | Thu, Apr 14, 2022 | 149.90 | 150.10 | 146.58 | 147.03 | 2400 | NASDAQ | QLYS | Wed, Apr 13, 2022 | 144.76 | 149.90 | 144.07 | 149.65 | 2399 | NASDAQ | QLYS | Tue, Apr 12, 2022 | 145.01 | 147.70 | 143.40 | 144.60 | 2398 | NASDAQ | QLYS | Mon, Apr 11, 2022 | 139.21 | 144.38 | 138.32 | 143.02 | 2397 | NASDAQ | QLYS | Fri, Apr 8, 2022 | 137.67 | 139.03 | 136.22 | 138.13 | 2396 | NASDAQ | QLYS | Thu, Apr 7, 2022 | 136.30 | 140.27 | 136.30 | 137.56 | 2395 | NASDAQ | QLYS | Wed, Apr 6, 2022 | 138.26 | 138.79 | 135.82 | 137.20 | 2394 | NASDAQ | QLYS | Tue, Apr 5, 2022 | 142.71 | 143.25 | 139.81 | 140.09 | 2393 | NASDAQ | QLYS | Mon, Apr 4, 2022 | 141.42 | 144.45 | 141.42 | 143.45 | 2392 | NASDAQ | QLYS | Fri, Apr 1, 2022 | 142.07 | 144.00 | 138.82 | 140.47 | 2391 | NASDAQ | QLYS | Thu, Mar 31, 2022 | 143.73 | 145.50 | 142.33 | 142.41 | 2390 | NASDAQ | QLYS | Wed, Mar 30, 2022 | 143.13 | 144.71 | 141.91 | 143.50 | 2389 | NASDAQ | QLYS | Tue, Mar 29, 2022 | 143.22 | 144.89 | 141.52 | 143.93 | 2388 | NASDAQ | QLYS | Mon, Mar 28, 2022 | 139.14 | 142.23 | 138.93 | 141.93 | 2387 | NASDAQ | QLYS | Fri, Mar 25, 2022 | 141.30 | 141.61 | 137.10 | 139.81 | 2386 | NASDAQ | QLYS | Thu, Mar 24, 2022 | 138.65 | 141.63 | 137.66 | 141.39 | 2385 | NASDAQ | QLYS | Wed, Mar 23, 2022 | 139.17 | 140.81 | 137.67 | 138.06 | 2384 | NASDAQ | QLYS | Tue, Mar 22, 2022 | 134.95 | 141.57 | 134.08 | 140.88 | 2383 | NASDAQ | QLYS | Mon, Mar 21, 2022 | 132.52 | 135.80 | 131.88 | 135.70 | 2382 | NASDAQ | QLYS | Fri, Mar 18, 2022 | 131.60 | 134.15 | 130.63 | 133.31 | 2381 | NASDAQ | QLYS | Thu, Mar 17, 2022 | 127.47 | 130.33 | 126.09 | 130.05 | 2380 | NASDAQ | QLYS | Wed, Mar 16, 2022 | 124.49 | 127.73 | 122.40 | 127.51 | 2379 | NASDAQ | QLYS | Tue, Mar 15, 2022 | 117.43 | 123.41 | 114.96 | 122.92 | 2378 | NASDAQ | QLYS | Mon, Mar 14, 2022 | 125.72 | 125.98 | 115.50 | 116.53 | 2377 | NASDAQ | QLYS | Fri, Mar 11, 2022 | 130.13 | 131.66 | 127.03 | 127.48 | 2376 | NASDAQ | QLYS | Thu, Mar 10, 2022 | 127.73 | 130.24 | 126.18 | 129.63 | 2375 | NASDAQ | QLYS | Wed, Mar 9, 2022 | 126.44 | 128.95 | 124.62 | 128.55 | 2374 | NASDAQ | QLYS | Tue, Mar 8, 2022 | 123.68 | 127.35 | 123.35 | 124.05 | 2373 | NASDAQ | QLYS | Mon, Mar 7, 2022 | 128.69 | 129.85 | 124.39 | 124.86 | 2372 | NASDAQ | QLYS | Fri, Mar 4, 2022 | 129.53 | 130.90 | 126.93 | 128.26 | 2371 | NASDAQ | QLYS | Thu, Mar 3, 2022 | 131.85 | 133.45 | 128.67 | 129.79 | 2370 | NASDAQ | QLYS | Wed, Mar 2, 2022 | 125.56 | 131.21 | 123.71 | 130.71 | 2369 | NASDAQ | QLYS | Tue, Mar 1, 2022 | 125.50 | 128.45 | 124.25 | 125.55 | 2368 | NASDAQ | QLYS | Mon, Feb 28, 2022 | 122.06 | 126.85 | 122.06 | 125.31 | 2367 | NASDAQ | QLYS | Fri, Feb 25, 2022 | 120.95 | 123.04 | 118.77 | 122.82 | 2366 | NASDAQ | QLYS | Thu, Feb 24, 2022 | 108.10 | 121.96 | 108.10 | 121.32 | 2365 | NASDAQ | QLYS | Wed, Feb 23, 2022 | 114.62 | 115.56 | 110.96 | 111.19 | 2364 | NASDAQ | QLYS | Tue, Feb 22, 2022 | 113.62 | 115.35 | 112.29 | 113.01 | 2363 | NASDAQ | QLYS | Fri, Feb 18, 2022 | 116.08 | 117.56 | 114.09 | 114.80 | 2362 | NASDAQ | QLYS | Thu, Feb 17, 2022 | 120.38 | 120.82 | 115.52 | 115.92 | 2361 | NASDAQ | QLYS | Wed, Feb 16, 2022 | 121.60 | 122.02 | 118.46 | 121.64 | 2360 | NASDAQ | QLYS | Tue, Feb 15, 2022 | 122.55 | 124.57 | 121.07 | 122.57 | 2359 | NASDAQ | QLYS | Mon, Feb 14, 2022 | 115.21 | 123.13 | 115.20 | 121.65 | 2358 | NASDAQ | QLYS | Fri, Feb 11, 2022 | 129.75 | 132.00 | 115.14 | 115.37 | 2357 | NASDAQ | QLYS | Thu, Feb 10, 2022 | 132.44 | 135.68 | 132.08 | 134.69 | 2356 | NASDAQ | QLYS | Wed, Feb 9, 2022 | 132.25 | 136.45 | 131.78 | 136.33 | 2355 | NASDAQ | QLYS | Tue, Feb 8, 2022 | 128.54 | 132.12 | 128.54 | 130.96 | 2354 | NASDAQ | QLYS | Mon, Feb 7, 2022 | 128.87 | 131.65 | 128.22 | 129.24 | 2353 | NASDAQ | QLYS | Fri, Feb 4, 2022 | 124.88 | 130.08 | 124.88 | 129.01 | 2352 | NASDAQ | QLYS | Thu, Feb 3, 2022 | 125.00 | 127.55 | 124.01 | 125.61 | 2351 | NASDAQ | QLYS | Wed, Feb 2, 2022 | 129.26 | 130.89 | 127.04 | 127.47 | 2350 | NASDAQ | QLYS | Tue, Feb 1, 2022 | 129.31 | 129.71 | 126.32 | 128.58 | 2349 | NASDAQ | QLYS | Mon, Jan 31, 2022 | 123.60 | 128.18 | 123.00 | 128.14 | 2348 | NASDAQ | QLYS | Fri, Jan 28, 2022 | 120.99 | 123.62 | 118.46 | 123.60 | 2347 | NASDAQ | QLYS | Thu, Jan 27, 2022 | 122.23 | 125.95 | 120.40 | 121.20 | 2346 | NASDAQ | QLYS | Wed, Jan 26, 2022 | 125.15 | 126.94 | 119.93 | 120.75 | 2345 | NASDAQ | QLYS | Tue, Jan 25, 2022 | 127.39 | 127.39 | 121.57 | 122.38 | 2344 | NASDAQ | QLYS | Mon, Jan 24, 2022 | 122.00 | 129.97 | 121.85 | 129.63 | 2343 | NASDAQ | QLYS | Fri, Jan 21, 2022 | 124.27 | 126.95 | 123.47 | 124.28 | 2342 | NASDAQ | QLYS | Thu, Jan 20, 2022 | 126.16 | 128.45 | 124.86 | 125.05 | 2341 | NASDAQ | QLYS | Wed, Jan 19, 2022 | 125.10 | 128.90 | 124.77 | 124.96 | 2340 | NASDAQ | QLYS | Tue, Jan 18, 2022 | 123.73 | 126.78 | 121.76 | 125.10 | 2339 | NASDAQ | QLYS | Fri, Jan 14, 2022 | 122.66 | 126.60 | 122.35 | 126.29 | 2338 | NASDAQ | QLYS | Thu, Jan 13, 2022 | 128.33 | 128.33 | 123.97 | 124.03 | 2337 | NASDAQ | QLYS | Wed, Jan 12, 2022 | 131.70 | 133.18 | 127.50 | 127.55 | 2336 | NASDAQ | QLYS | Tue, Jan 11, 2022 | 128.17 | 131.71 | 127.20 | 130.53 | 2335 | NASDAQ | QLYS | Mon, Jan 10, 2022 | 123.40 | 128.15 | 121.71 | 128.09 | 2334 | NASDAQ | QLYS | Fri, Jan 7, 2022 | 127.14 | 130.00 | 125.00 | 125.66 | 2333 | NASDAQ | QLYS | Thu, Jan 6, 2022 | 123.00 | 128.48 | 122.20 | 127.14 | 2332 | NASDAQ | QLYS | Wed, Jan 5, 2022 | 128.19 | 129.71 | 124.00 | 124.71 | 2331 | NASDAQ | QLYS | Tue, Jan 4, 2022 | 136.25 | 136.25 | 126.72 | 128.82 | 2330 | NASDAQ | QLYS | Mon, Jan 3, 2022 | 137.55 | 137.55 | 133.40 | 136.63 | 2329 | NASDAQ | QLYS | Fri, Dec 31, 2021 | 140.65 | 141.79 | 137.10 | 137.22 | 2328 | NASDAQ | QLYS | Thu, Dec 30, 2021 | 141.54 | 142.94 | 140.34 | 140.56 | 2327 | NASDAQ | QLYS | Wed, Dec 29, 2021 | 141.39 | 142.15 | 139.64 | 140.98 | 2326 | NASDAQ | QLYS | Tue, Dec 28, 2021 | 141.14 | 141.42 | 138.15 | 140.61 | 2325 | NASDAQ | QLYS | Mon, Dec 27, 2021 | 139.90 | 142.23 | 139.40 | 140.11 | 2324 | NASDAQ | QLYS | Thu, Dec 23, 2021 | 138.00 | 139.69 | 137.33 | 139.37 | 2323 | NASDAQ | QLYS | Wed, Dec 22, 2021 | 137.50 | 138.05 | 136.06 | 137.70 | 2322 | NASDAQ | QLYS | Tue, Dec 21, 2021 | 134.74 | 137.25 | 132.53 | 137.22 | 2321 | NASDAQ | QLYS | Mon, Dec 20, 2021 | 133.30 | 135.71 | 133.30 | 134.13 | 2320 | NASDAQ | QLYS | Fri, Dec 17, 2021 | 130.63 | 135.50 | 130.61 | 135.06 | 2319 | NASDAQ | QLYS | Thu, Dec 16, 2021 | 134.90 | 135.24 | 129.72 | 131.14 | 2318 | NASDAQ | QLYS | Wed, Dec 15, 2021 | 131.95 | 134.95 | 130.91 | 134.87 | 2317 | NASDAQ | QLYS | Tue, Dec 14, 2021 | 130.82 | 133.06 | 128.68 | 131.86 | 2316 | NASDAQ | QLYS | Mon, Dec 13, 2021 | 131.64 | 135.15 | 130.81 | 133.72 | 2315 | NASDAQ | QLYS | Fri, Dec 10, 2021 | 133.42 | 136.79 | 131.52 | 132.10 | 2314 | NASDAQ | QLYS | Thu, Dec 9, 2021 | 132.12 | 134.24 | 130.85 | 132.19 | 2313 | NASDAQ | QLYS | Wed, Dec 8, 2021 | 131.66 | 133.74 | 129.51 | 132.45 | 2312 | NASDAQ | QLYS | Tue, Dec 7, 2021 | 129.42 | 133.12 | 129.26 | 132.06 | 2311 | NASDAQ | QLYS | Mon, Dec 6, 2021 | 127.07 | 128.81 | 124.37 | 126.65 | 2310 | NASDAQ | QLYS | Fri, Dec 3, 2021 | 129.67 | 130.74 | 124.28 | 127.64 | 2309 | NASDAQ | QLYS | Thu, Dec 2, 2021 | 125.44 | 129.72 | 124.50 | 129.42 | 2308 | NASDAQ | QLYS | Wed, Dec 1, 2021 | 131.80 | 131.80 | 124.76 | 125.28 | 2307 | NASDAQ | QLYS | Tue, Nov 30, 2021 | 133.87 | 136.03 | 129.17 | 130.29 | 2306 | NASDAQ | QLYS | Mon, Nov 29, 2021 | 131.14 | 135.40 | 130.91 | 134.34 | 2305 | NASDAQ | QLYS | Fri, Nov 26, 2021 | 131.59 | 134.66 | 129.44 | 129.71 | 2304 | NASDAQ | QLYS | Wed, Nov 24, 2021 | 128.19 | 133.52 | 126.24 | 133.50 | 2303 | NASDAQ | QLYS | Tue, Nov 23, 2021 | 131.48 | 131.98 | 125.24 | 128.63 | 2302 | NASDAQ | QLYS | Mon, Nov 22, 2021 | 137.55 | 137.55 | 131.56 | 131.95 | 2301 | NASDAQ | QLYS | Fri, Nov 19, 2021 | 137.65 | 139.73 | 136.57 | 137.44 | 2300 | NASDAQ | QLYS | Thu, Nov 18, 2021 | 138.12 | 138.60 | 136.21 | 137.32 | 2299 | NASDAQ | QLYS | Wed, Nov 17, 2021 | 139.79 | 140.28 | 137.04 | 138.20 | 2298 | NASDAQ | QLYS | Tue, Nov 16, 2021 | 136.13 | 140.10 | 136.13 | 139.94 | 2297 | NASDAQ | QLYS | Mon, Nov 15, 2021 | 139.66 | 139.66 | 135.28 | 136.49 | 2296 | NASDAQ | QLYS | Fri, Nov 12, 2021 | 138.43 | 139.70 | 137.68 | 139.52 | 2295 | NASDAQ | QLYS | Thu, Nov 11, 2021 | 136.84 | 140.17 | 136.84 | 137.84 | 2294 | NASDAQ | QLYS | Wed, Nov 10, 2021 | 138.58 | 140.11 | 136.59 | 137.67 | 2293 | NASDAQ | QLYS | Tue, Nov 9, 2021 | 139.60 | 140.64 | 137.74 | 139.82 | 2292 | NASDAQ | QLYS | Mon, Nov 8, 2021 | 134.92 | 140.02 | 134.19 | 139.55 | 2291 | NASDAQ | QLYS | Fri, Nov 5, 2021 | 136.16 | 140.05 | 133.70 | 135.04 | 2290 | NASDAQ | QLYS | Thu, Nov 4, 2021 | 132.99 | 139.48 | 129.46 | 137.04 | 2289 | NASDAQ | QLYS | Wed, Nov 3, 2021 | 125.11 | 128.27 | 124.77 | 125.18 | 2288 | NASDAQ | QLYS | Tue, Nov 2, 2021 | 124.42 | 127.62 | 123.66 | 124.97 | 2287 | NASDAQ | QLYS | Mon, Nov 1, 2021 | 124.19 | 125.25 | 121.69 | 124.59 | 2286 | NASDAQ | QLYS | Fri, Oct 29, 2021 | 119.37 | 125.00 | 119.37 | 124.48 | 2285 | NASDAQ | QLYS | Thu, Oct 28, 2021 | 117.86 | 121.00 | 117.86 | 120.06 | 2284 | NASDAQ | QLYS | Wed, Oct 27, 2021 | 119.46 | 120.15 | 117.86 | 118.05 | 2283 | NASDAQ | QLYS | Tue, Oct 26, 2021 | 119.10 | 119.90 | 118.00 | 119.07 | 2282 | NASDAQ | QLYS | Mon, Oct 25, 2021 | 116.83 | 120.12 | 116.54 | 118.76 | 2281 | NASDAQ | QLYS | Fri, Oct 22, 2021 | 116.50 | 118.14 | 115.39 | 117.36 | 2280 | NASDAQ | QLYS | Thu, Oct 21, 2021 | 114.69 | 116.84 | 114.62 | 116.50 | 2279 | NASDAQ | QLYS | Wed, Oct 20, 2021 | 115.07 | 115.55 | 112.57 | 114.84 | 2278 | NASDAQ | QLYS | Tue, Oct 19, 2021 | 114.38 | 115.95 | 113.20 | 114.95 | 2277 | NASDAQ | QLYS | Mon, Oct 18, 2021 | 114.35 | 117.92 | 114.06 | 114.35 | 2276 | NASDAQ | QLYS | Fri, Oct 15, 2021 | 115.78 | 115.90 | 114.07 | 114.35 | 2275 | NASDAQ | QLYS | Thu, Oct 14, 2021 | 115.46 | 115.49 | 114.16 | 114.98 | 2274 | NASDAQ | QLYS | Wed, Oct 13, 2021 | 111.20 | 114.26 | 111.20 | 114.14 | 2273 | NASDAQ | QLYS | Tue, Oct 12, 2021 | 110.04 | 112.78 | 109.36 | 110.22 | 2272 | NASDAQ | QLYS | Mon, Oct 11, 2021 | 108.82 | 111.19 | 108.61 | 109.87 | 2271 | NASDAQ | QLYS | Fri, Oct 8, 2021 | 112.67 | 113.93 | 109.66 | 109.90 | 2270 | NASDAQ | QLYS | Thu, Oct 7, 2021 | 111.55 | 114.65 | 111.55 | 112.67 | 2269 | NASDAQ | QLYS | Wed, Oct 6, 2021 | 108.73 | 111.62 | 106.48 | 111.15 | 2268 | NASDAQ | QLYS | Tue, Oct 5, 2021 | 109.70 | 111.81 | 108.67 | 109.68 | 2267 | NASDAQ | QLYS | Mon, Oct 4, 2021 | 110.59 | 110.59 | 107.08 | 108.43 | 2266 | NASDAQ | QLYS | Fri, Oct 1, 2021 | 111.92 | 112.60 | 109.37 | 111.37 | 2265 | NASDAQ | QLYS | Thu, Sep 30, 2021 | 111.32 | 113.52 | 111.03 | 111.29 | 2264 | NASDAQ | QLYS | Wed, Sep 29, 2021 | 112.32 | 113.36 | 110.42 | 110.96 | 2263 | NASDAQ | QLYS | Tue, Sep 28, 2021 | 114.71 | 115.10 | 111.48 | 111.67 | 2262 | NASDAQ | QLYS | Mon, Sep 27, 2021 | 119.16 | 119.16 | 115.75 | 116.32 | 2261 | NASDAQ | QLYS | Fri, Sep 24, 2021 | 119.70 | 120.75 | 118.27 | 119.23 | 2260 | NASDAQ | QLYS | Thu, Sep 23, 2021 | 118.11 | 119.95 | 117.46 | 119.76 | 2259 | NASDAQ | QLYS | Wed, Sep 22, 2021 | 116.36 | 118.74 | 116.03 | 116.96 | 2258 | NASDAQ | QLYS | Tue, Sep 21, 2021 | 116.03 | 117.68 | 115.20 | 115.90 | 2257 | NASDAQ | QLYS | Mon, Sep 20, 2021 | 117.27 | 118.65 | 113.55 | 115.27 | 2256 | NASDAQ | QLYS | Fri, Sep 17, 2021 | 120.82 | 121.07 | 117.72 | 119.30 | 2255 | NASDAQ | QLYS | Thu, Sep 16, 2021 | 119.66 | 119.66 | 118.30 | 119.36 | 2254 | NASDAQ | QLYS | Wed, Sep 15, 2021 | 119.24 | 120.25 | 118.33 | 119.52 | 2253 | NASDAQ | QLYS | Tue, Sep 14, 2021 | 118.90 | 120.28 | 117.23 | 119.29 | 2252 | NASDAQ | QLYS | Mon, Sep 13, 2021 | 114.94 | 119.45 | 114.73 | 119.21 | 2251 | NASDAQ | QLYS | Fri, Sep 10, 2021 | 116.88 | 117.53 | 114.62 | 114.86 | 2250 | NASDAQ | QLYS | Thu, Sep 9, 2021 | 117.85 | 118.55 | 117.21 | 117.24 | 2249 | NASDAQ | QLYS | Wed, Sep 8, 2021 | 115.81 | 118.77 | 115.26 | 117.53 | 2248 | NASDAQ | QLYS | Tue, Sep 7, 2021 | 119.24 | 119.24 | 115.93 | 116.43 | 2247 | NASDAQ | QLYS | Fri, Sep 3, 2021 | 119.09 | 120.26 | 118.77 | 119.67 | 2246 | NASDAQ | QLYS | Thu, Sep 2, 2021 | 119.21 | 120.48 | 118.93 | 119.60 | 2245 | NASDAQ | QLYS | Wed, Sep 1, 2021 | 117.21 | 118.94 | 116.95 | 118.31 | 2244 | NASDAQ | QLYS | Tue, Aug 31, 2021 | 116.18 | 117.80 | 115.39 | 117.38 | 2243 | NASDAQ | QLYS | Mon, Aug 30, 2021 | 115.19 | 116.35 | 115.11 | 116.09 | 2242 | NASDAQ | QLYS | Fri, Aug 27, 2021 | 113.97 | 115.43 | 113.81 | 115.00 | 2241 | NASDAQ | QLYS | Thu, Aug 26, 2021 | 114.74 | 116.00 | 113.81 | 114.61 | 2240 | NASDAQ | QLYS | Wed, Aug 25, 2021 | 112.63 | 115.49 | 112.47 | 114.88 | 2239 | NASDAQ | QLYS | Tue, Aug 24, 2021 | 109.90 | 112.34 | 109.90 | 112.03 | 2238 | NASDAQ | QLYS | Mon, Aug 23, 2021 | 109.74 | 110.07 | 108.62 | 109.70 | 2237 | NASDAQ | QLYS | Fri, Aug 20, 2021 | 109.88 | 110.88 | 108.66 | 109.70 | 2236 | NASDAQ | QLYS | Thu, Aug 19, 2021 | 107.52 | 110.80 | 107.10 | 109.77 | 2235 | NASDAQ | QLYS | Wed, Aug 18, 2021 | 110.03 | 110.43 | 108.11 | 108.25 | 2234 | NASDAQ | QLYS | Tue, Aug 17, 2021 | 108.71 | 109.67 | 107.62 | 109.64 | 2233 | NASDAQ | QLYS | Mon, Aug 16, 2021 | 110.00 | 110.00 | 107.67 | 108.94 | 2232 | NASDAQ | QLYS | Fri, Aug 13, 2021 | 111.60 | 111.90 | 110.21 | 110.56 | 2231 | NASDAQ | QLYS | Thu, Aug 12, 2021 | 107.00 | 111.33 | 106.55 | 110.95 | 2230 | NASDAQ | QLYS | Wed, Aug 11, 2021 | 109.57 | 111.00 | 106.83 | 107.02 | 2229 | NASDAQ | QLYS | Tue, Aug 10, 2021 | 110.00 | 114.68 | 108.02 | 110.08 | 2228 | NASDAQ | QLYS | Mon, Aug 9, 2021 | 102.80 | 105.85 | 102.76 | 105.11 | 2227 | NASDAQ | QLYS | Fri, Aug 6, 2021 | 104.45 | 105.98 | 101.68 | 102.37 | 2226 | NASDAQ | QLYS | Thu, Aug 5, 2021 | 104.49 | 105.71 | 103.92 | 105.16 | 2225 | NASDAQ | QLYS | Wed, Aug 4, 2021 | 104.16 | 105.37 | 103.19 | 103.97 | 2224 | NASDAQ | QLYS | Tue, Aug 3, 2021 | 102.65 | 105.72 | 102.65 | 104.28 | 2223 | NASDAQ | QLYS | Mon, Aug 2, 2021 | 101.70 | 103.27 | 100.44 | 102.83 | 2222 | NASDAQ | QLYS | Fri, Jul 30, 2021 | 102.04 | 103.50 | 101.49 | 101.56 | 2221 | NASDAQ | QLYS | Thu, Jul 29, 2021 | 101.40 | 103.12 | 101.40 | 102.40 | 2220 | NASDAQ | QLYS | Wed, Jul 28, 2021 | 99.62 | 101.62 | 99.06 | 100.90 | 2219 | NASDAQ | QLYS | Tue, Jul 27, 2021 | 100.05 | 100.50 | 97.02 | 98.69 | 2218 | NASDAQ | QLYS | Mon, Jul 26, 2021 | 99.61 | 100.80 | 99.00 | 100.05 | 2217 | NASDAQ | QLYS | Fri, Jul 23, 2021 | 100.08 | 100.85 | 99.10 | 100.45 | 2216 | NASDAQ | QLYS | Thu, Jul 22, 2021 | 100.01 | 100.98 | 99.54 | 99.89 | 2215 | NASDAQ | QLYS | Wed, Jul 21, 2021 | 101.94 | 101.99 | 99.49 | 99.86 | 2214 | NASDAQ | QLYS | Tue, Jul 20, 2021 | 101.00 | 103.27 | 99.17 | 102.14 | 2213 | NASDAQ | QLYS | Mon, Jul 19, 2021 | 98.66 | 101.24 | 98.42 | 99.44 | 2212 | NASDAQ | QLYS | Fri, Jul 16, 2021 | 99.61 | 101.95 | 99.21 | 99.75 | 2211 | NASDAQ | QLYS | Thu, Jul 15, 2021 | 101.11 | 101.11 | 97.90 | 98.68 | 2210 | NASDAQ | QLYS | Wed, Jul 14, 2021 | 105.40 | 105.51 | 101.21 | 101.21 | 2209 | NASDAQ | QLYS | Tue, Jul 13, 2021 | 104.38 | 106.78 | 103.23 | 104.69 | 2208 | NASDAQ | QLYS | Mon, Jul 12, 2021 | 106.97 | 107.47 | 103.56 | 104.85 | 2207 | NASDAQ | QLYS | Fri, Jul 9, 2021 | 106.36 | 107.41 | 105.72 | 106.69 | 2206 | NASDAQ | QLYS | Thu, Jul 8, 2021 | 104.00 | 108.16 | 103.02 | 106.69 | 2205 | NASDAQ | QLYS | Wed, Jul 7, 2021 | 107.40 | 108.46 | 105.39 | 105.95 | 2204 | NASDAQ | QLYS | Tue, Jul 6, 2021 | 102.64 | 107.14 | 102.04 | 106.82 | 2203 | NASDAQ | QLYS | Fri, Jul 2, 2021 | 101.35 | 102.45 | 101.15 | 102.30 | 2202 | NASDAQ | QLYS | Thu, Jul 1, 2021 | 100.69 | 102.34 | 100.29 | 100.94 | 2201 | NASDAQ | QLYS | Wed, Jun 30, 2021 | 102.55 | 102.75 | 100.68 | 100.69 | 2200 | NASDAQ | QLYS | Tue, Jun 29, 2021 | 102.65 | 102.78 | 101.31 | 102.57 | 2199 | NASDAQ | QLYS | Mon, Jun 28, 2021 | 101.87 | 104.58 | 101.87 | 102.60 | 2198 | NASDAQ | QLYS | Fri, Jun 25, 2021 | 102.12 | 102.53 | 100.98 | 101.54 | 2197 | NASDAQ | QLYS | Thu, Jun 24, 2021 | 103.05 | 103.58 | 101.50 | 101.74 | 2196 | NASDAQ | QLYS | Wed, Jun 23, 2021 | 103.22 | 103.91 | 101.52 | 102.09 | 2195 | NASDAQ | QLYS | Tue, Jun 22, 2021 | 103.43 | 104.32 | 102.73 | 103.46 | 2194 | NASDAQ | QLYS | Mon, Jun 21, 2021 | 105.91 | 105.91 | 103.63 | 103.79 | 2193 | NASDAQ | QLYS | Fri, Jun 18, 2021 | 107.78 | 108.98 | 105.45 | 105.95 | 2192 | NASDAQ | QLYS | Thu, Jun 17, 2021 | 105.39 | 108.49 | 104.55 | 108.03 | 2191 | NASDAQ | QLYS | Wed, Jun 16, 2021 | 104.00 | 105.62 | 103.35 | 105.01 | 2190 | NASDAQ | QLYS | Tue, Jun 15, 2021 | 101.00 | 104.28 | 100.69 | 104.15 | 2189 | NASDAQ | QLYS | Mon, Jun 14, 2021 | 102.76 | 102.87 | 99.90 | 100.96 | 2188 | NASDAQ | QLYS | Fri, Jun 11, 2021 | 103.36 | 103.82 | 101.91 | 102.87 | 2187 | NASDAQ | QLYS | Thu, Jun 10, 2021 | 101.71 | 103.93 | 100.95 | 103.05 | 2186 | NASDAQ | QLYS | Wed, Jun 9, 2021 | 102.99 | 103.59 | 100.60 | 101.71 | 2185 | NASDAQ | QLYS | Tue, Jun 8, 2021 | 100.32 | 102.74 | 100.30 | 102.20 | 2184 | NASDAQ | QLYS | Mon, Jun 7, 2021 | 99.81 | 100.76 | 99.06 | 99.52 | 2183 | NASDAQ | QLYS | Fri, Jun 4, 2021 | 99.10 | 100.30 | 98.61 | 100.04 | 2182 | NASDAQ | QLYS | Thu, Jun 3, 2021 | 97.76 | 99.36 | 97.42 | 98.76 | 2181 | NASDAQ | QLYS | Wed, Jun 2, 2021 | 97.40 | 98.88 | 97.19 | 98.76 | 2180 | NASDAQ | QLYS | Tue, Jun 1, 2021 | 96.92 | 97.57 | 95.00 | 96.98 | 2179 | NASDAQ | QLYS | Fri, May 28, 2021 | 97.08 | 98.00 | 96.59 | 96.68 | 2178 | NASDAQ | QLYS | Thu, May 27, 2021 | 97.79 | 98.06 | 96.20 | 97.27 | 2177 | NASDAQ | QLYS | Wed, May 26, 2021 | 99.53 | 100.40 | 98.00 | 98.02 | 2176 | NASDAQ | QLYS | Tue, May 25, 2021 | 100.34 | 101.31 | 98.55 | 98.68 | 2175 | NASDAQ | QLYS | Mon, May 24, 2021 | 100.55 | 100.95 | 99.28 | 99.66 | 2174 | NASDAQ | QLYS | Fri, May 21, 2021 | 99.44 | 99.99 | 97.45 | 99.42 | 2173 | NASDAQ | QLYS | Thu, May 20, 2021 | 97.06 | 99.17 | 97.06 | 98.50 | 2172 | NASDAQ | QLYS | Wed, May 19, 2021 | 95.61 | 96.96 | 95.02 | 96.79 | 2171 | NASDAQ | QLYS | Tue, May 18, 2021 | 98.05 | 99.56 | 97.68 | 97.72 | 2170 | NASDAQ | QLYS | Mon, May 17, 2021 | 99.22 | 99.63 | 96.75 | 97.86 | 2169 | NASDAQ | QLYS | Fri, May 14, 2021 | 97.62 | 100.00 | 97.60 | 99.83 | 2168 | NASDAQ | QLYS | Thu, May 13, 2021 | 98.67 | 100.19 | 96.37 | 97.06 | 2167 | NASDAQ | QLYS | Wed, May 12, 2021 | 99.89 | 101.71 | 97.87 | 98.18 | 2166 | NASDAQ | QLYS | Tue, May 11, 2021 | 98.57 | 103.00 | 97.11 | 101.24 | 2165 | NASDAQ | QLYS | Mon, May 10, 2021 | 98.14 | 102.88 | 96.68 | 100.76 | 2164 | NASDAQ | QLYS | Fri, May 7, 2021 | 98.31 | 99.60 | 96.49 | 97.93 | 2163 | NASDAQ | QLYS | Thu, May 6, 2021 | 102.96 | 102.96 | 92.00 | 98.21 | 2162 | NASDAQ | QLYS | Wed, May 5, 2021 | 95.89 | 96.75 | 93.26 | 94.38 | 2161 | NASDAQ | QLYS | Tue, May 4, 2021 | 97.74 | 98.00 | 94.47 | 94.88 | 2160 | NASDAQ | QLYS | Mon, May 3, 2021 | 101.51 | 102.52 | 98.78 | 99.39 | 2159 | NASDAQ | QLYS | Fri, Apr 30, 2021 | 103.10 | 104.69 | 101.19 | 101.36 | 2158 | NASDAQ | QLYS | Thu, Apr 29, 2021 | 105.40 | 106.53 | 103.36 | 103.77 | 2157 | NASDAQ | QLYS | Wed, Apr 28, 2021 | 107.40 | 107.78 | 104.68 | 104.85 | 2156 | NASDAQ | QLYS | Tue, Apr 27, 2021 | 108.42 | 108.87 | 106.49 | 107.30 | 2155 | NASDAQ | QLYS | Mon, Apr 26, 2021 | 106.49 | 108.98 | 104.62 | 108.33 | 2154 | NASDAQ | QLYS | Fri, Apr 23, 2021 | 104.77 | 104.91 | 102.74 | 102.89 | 2153 | NASDAQ | QLYS | Thu, Apr 22, 2021 | 105.63 | 107.50 | 104.58 | 105.03 | 2152 | NASDAQ | QLYS | Wed, Apr 21, 2021 | 103.12 | 105.91 | 101.23 | 105.48 | 2151 | NASDAQ | QLYS | Tue, Apr 20, 2021 | 106.72 | 107.50 | 102.48 | 103.65 | 2150 | NASDAQ | QLYS | Mon, Apr 19, 2021 | 105.12 | 107.02 | 104.72 | 106.44 | 2149 | NASDAQ | QLYS | Fri, Apr 16, 2021 | 107.38 | 107.38 | 104.12 | 104.79 | 2148 | NASDAQ | QLYS | Thu, Apr 15, 2021 | 106.44 | 107.79 | 105.55 | 107.38 | 2147 | NASDAQ | QLYS | Wed, Apr 14, 2021 | 105.80 | 107.89 | 105.09 | 105.38 | 2146 | NASDAQ | QLYS | Tue, Apr 13, 2021 | 106.35 | 108.03 | 104.19 | 106.05 | 2145 | NASDAQ | QLYS | Mon, Apr 12, 2021 | 104.26 | 106.81 | 102.78 | 105.48 | 2144 | NASDAQ | QLYS | Fri, Apr 9, 2021 | 103.69 | 104.38 | 101.28 | 104.16 | 2143 | NASDAQ | QLYS | Thu, Apr 8, 2021 | 104.07 | 105.43 | 103.46 | 103.78 | 2142 | NASDAQ | QLYS | Wed, Apr 7, 2021 | 105.47 | 105.47 | 102.62 | 102.95 | 2141 | NASDAQ | QLYS | Tue, Apr 6, 2021 | 103.88 | 106.67 | 103.40 | 105.17 | 2140 | NASDAQ | QLYS | Mon, Apr 5, 2021 | 104.63 | 106.08 | 103.76 | 105.97 | 2139 | NASDAQ | QLYS | Thu, Apr 1, 2021 | 106.03 | 107.64 | 102.76 | 103.88 | 2138 | NASDAQ | QLYS | Wed, Mar 31, 2021 | 104.66 | 105.94 | 104.10 | 104.78 | 2137 | NASDAQ | QLYS | Tue, Mar 30, 2021 | 104.55 | 105.24 | 102.03 | 103.79 | 2136 | NASDAQ | QLYS | Mon, Mar 29, 2021 | 105.25 | 108.20 | 105.18 | 105.95 | 2135 | NASDAQ | QLYS | Fri, Mar 26, 2021 | 100.78 | 105.47 | 100.32 | 105.33 | 2134 | NASDAQ | QLYS | Thu, Mar 25, 2021 | 100.03 | 101.52 | 98.96 | 100.33 | 2133 | NASDAQ | QLYS | Wed, Mar 24, 2021 | 105.43 | 105.53 | 100.50 | 100.68 | 2132 | NASDAQ | QLYS | Tue, Mar 23, 2021 | 104.43 | 107.33 | 101.25 | 105.48 | 2131 | NASDAQ | QLYS | Mon, Mar 22, 2021 | 100.72 | 106.84 | 100.72 | 105.58 | 2130 | NASDAQ | QLYS | Fri, Mar 19, 2021 | 98.00 | 101.83 | 97.00 | 100.77 | 2129 | NASDAQ | QLYS | Thu, Mar 18, 2021 | 101.30 | 102.45 | 97.56 | 97.67 | 2128 | NASDAQ | QLYS | Wed, Mar 17, 2021 | 101.67 | 104.26 | 99.06 | 102.90 | 2127 | NASDAQ | QLYS | Tue, Mar 16, 2021 | 104.22 | 106.00 | 102.48 | 103.02 | 2126 | NASDAQ | QLYS | Mon, Mar 15, 2021 | 101.28 | 104.31 | 101.21 | 103.60 | 2125 | NASDAQ | QLYS | Fri, Mar 12, 2021 | 99.64 | 100.89 | 97.30 | 100.53 | 2124 | NASDAQ | QLYS | Thu, Mar 11, 2021 | 98.73 | 102.96 | 98.73 | 100.72 | 2123 | NASDAQ | QLYS | Wed, Mar 10, 2021 | 100.34 | 102.63 | 97.31 | 97.43 | 2122 | NASDAQ | QLYS | Tue, Mar 9, 2021 | 100.54 | 103.79 | 98.15 | 98.51 | 2121 | NASDAQ | QLYS | Mon, Mar 8, 2021 | 95.70 | 99.94 | 95.57 | 97.75 | 2120 | NASDAQ | QLYS | Fri, Mar 5, 2021 | 92.88 | 97.06 | 90.88 | 96.89 | 2119 | NASDAQ | QLYS | Thu, Mar 4, 2021 | 91.87 | 93.61 | 90.26 | 91.85 | 2118 | NASDAQ | QLYS | Wed, Mar 3, 2021 | 97.72 | 97.94 | 91.73 | 91.75 | 2117 | NASDAQ | QLYS | Tue, Mar 2, 2021 | 100.27 | 100.27 | 96.82 | 97.47 | 2116 | NASDAQ | QLYS | Mon, Mar 1, 2021 | 98.55 | 99.79 | 96.59 | 99.75 | 2115 | NASDAQ | QLYS | Fri, Feb 26, 2021 | 98.14 | 99.50 | 96.46 | 97.16 | 2114 | NASDAQ | QLYS | Thu, Feb 25, 2021 | 101.04 | 102.15 | 96.38 | 97.23 | 2113 | NASDAQ | QLYS | Wed, Feb 24, 2021 | 99.65 | 102.19 | 98.56 | 101.24 | 2112 | NASDAQ | QLYS | Tue, Feb 23, 2021 | 98.19 | 99.55 | 94.62 | 99.34 | 2111 | NASDAQ | QLYS | Mon, Feb 22, 2021 | 102.52 | 102.52 | 98.15 | 99.76 | 2110 | NASDAQ | QLYS | Fri, Feb 19, 2021 | 102.52 | 103.96 | 101.28 | 102.47 | 2109 | NASDAQ | QLYS | Thu, Feb 18, 2021 | 103.30 | 103.61 | 101.02 | 101.95 | 2108 | NASDAQ | QLYS | Wed, Feb 17, 2021 | 103.67 | 104.39 | 101.50 | 104.03 | 2107 | NASDAQ | QLYS | Tue, Feb 16, 2021 | 104.97 | 107.04 | 102.21 | 103.75 | 2106 | NASDAQ | QLYS | Fri, Feb 12, 2021 | 105.25 | 106.88 | 102.09 | 103.54 | 2105 | NASDAQ | QLYS | Thu, Feb 11, 2021 | 107.01 | 108.00 | 100.04 | 105.07 | 2104 | NASDAQ | QLYS | Wed, Feb 10, 2021 | 126.45 | 126.49 | 116.75 | 117.50 | 2103 | NASDAQ | QLYS | Tue, Feb 9, 2021 | 127.32 | 130.32 | 125.14 | 129.78 | 2102 | NASDAQ | QLYS | Mon, Feb 8, 2021 | 125.70 | 127.58 | 123.81 | 126.79 | 2101 | NASDAQ | QLYS | Fri, Feb 5, 2021 | 123.23 | 124.69 | 121.64 | 124.64 | 2100 | NASDAQ | QLYS | Thu, Feb 4, 2021 | 126.22 | 127.46 | 121.17 | 122.90 | 2099 | NASDAQ | QLYS | Wed, Feb 3, 2021 | 138.24 | 140.18 | 123.05 | 124.65 | 2098 | NASDAQ | QLYS | Tue, Feb 2, 2021 | 143.08 | 145.18 | 141.19 | 142.60 | 2097 | NASDAQ | QLYS | Mon, Feb 1, 2021 | 141.63 | 143.90 | 136.58 | 143.32 | 2096 | NASDAQ | QLYS | Fri, Jan 29, 2021 | 136.67 | 139.78 | 135.63 | 138.47 | 2095 | NASDAQ | QLYS | Thu, Jan 28, 2021 | 144.63 | 147.14 | 137.68 | 137.83 | 2094 | NASDAQ | QLYS | Wed, Jan 27, 2021 | 130.59 | 148.84 | 129.74 | 145.30 | 2093 | NASDAQ | QLYS | Tue, Jan 26, 2021 | 133.22 | 135.44 | 128.86 | 131.72 | 2092 | NASDAQ | QLYS | Mon, Jan 25, 2021 | 127.90 | 134.56 | 127.73 | 131.42 | 2091 | NASDAQ | QLYS | Fri, Jan 22, 2021 | 121.53 | 126.78 | 121.53 | 126.28 | 2090 | NASDAQ | QLYS | Thu, Jan 21, 2021 | 125.52 | 126.21 | 121.30 | 121.53 | 2089 | NASDAQ | QLYS | Wed, Jan 20, 2021 | 125.09 | 128.28 | 123.54 | 124.98 | 2088 | NASDAQ | QLYS | Tue, Jan 19, 2021 | 121.26 | 124.79 | 120.01 | 124.09 | 2087 | NASDAQ | QLYS | Fri, Jan 15, 2021 | 117.87 | 123.55 | 117.87 | 119.99 | 2086 | NASDAQ | QLYS | Thu, Jan 14, 2021 | 116.86 | 119.23 | 116.86 | 118.57 | 2085 | NASDAQ | QLYS | Wed, Jan 13, 2021 | 121.30 | 122.77 | 116.22 | 116.89 | 2084 | NASDAQ | QLYS | Tue, Jan 12, 2021 | 121.47 | 123.69 | 119.87 | 121.55 | 2083 | NASDAQ | QLYS | Mon, Jan 11, 2021 | 120.59 | 123.45 | 117.64 | 121.78 | 2082 | NASDAQ | QLYS | Fri, Jan 8, 2021 | 121.48 | 123.81 | 120.18 | 122.18 | 2081 | NASDAQ | QLYS | Thu, Jan 7, 2021 | 115.59 | 120.65 | 115.50 | 120.11 | 2080 | NASDAQ | QLYS | Wed, Jan 6, 2021 | 112.63 | 116.86 | 111.43 | 115.30 | 2079 | NASDAQ | QLYS | Tue, Jan 5, 2021 | 114.40 | 115.60 | 112.03 | 113.34 | 2078 | NASDAQ | QLYS | Mon, Jan 4, 2021 | 122.46 | 123.97 | 114.29 | 115.72 | 2077 | NASDAQ | QLYS | Thu, Dec 31, 2020 | 120.07 | 122.73 | 118.08 | 121.87 | 2076 | NASDAQ | QLYS | Wed, Dec 30, 2020 | 119.31 | 121.25 | 118.98 | 119.73 | 2075 | NASDAQ | QLYS | Tue, Dec 29, 2020 | 123.88 | 124.47 | 117.25 | 118.75 | 2074 | NASDAQ | QLYS | Mon, Dec 28, 2020 | 122.24 | 125.81 | 122.24 | 123.63 | 2073 | NASDAQ | QLYS | Thu, Dec 24, 2020 | 123.45 | 124.85 | 120.15 | 120.36 | 2072 | NASDAQ | QLYS | Wed, Dec 23, 2020 | 124.07 | 126.30 | 121.32 | 122.49 | 2071 | NASDAQ | QLYS | Tue, Dec 22, 2020 | 116.85 | 125.92 | 116.00 | 125.48 | 2070 | NASDAQ | QLYS | Mon, Dec 21, 2020 | 124.78 | 124.80 | 115.27 | 116.12 | 2069 | NASDAQ | QLYS | Fri, Dec 18, 2020 | 107.17 | 125.21 | 104.22 | 124.54 | 2068 | NASDAQ | QLYS | Thu, Dec 17, 2020 | 102.56 | 105.03 | 102.56 | 104.95 | 2067 | NASDAQ | QLYS | Wed, Dec 16, 2020 | 102.65 | 104.85 | 101.23 | 101.74 | 2066 | NASDAQ | QLYS | Tue, Dec 15, 2020 | 102.99 | 104.21 | 100.71 | 102.04 | 2065 | NASDAQ | QLYS | Mon, Dec 14, 2020 | 95.76 | 102.83 | 95.76 | 102.19 | 2064 | NASDAQ | QLYS | Fri, Dec 11, 2020 | 92.77 | 95.14 | 92.77 | 95.05 | 2063 | NASDAQ | QLYS | Thu, Dec 10, 2020 | 91.76 | 93.60 | 91.55 | 93.08 | 2062 | NASDAQ | QLYS | Wed, Dec 9, 2020 | 93.95 | 94.45 | 91.70 | 92.46 | 2061 | NASDAQ | QLYS | Tue, Dec 8, 2020 | 91.93 | 94.35 | 91.30 | 94.25 | 2060 | NASDAQ | QLYS | Mon, Dec 7, 2020 | 92.00 | 93.50 | 91.47 | 91.71 | 2059 | NASDAQ | QLYS | Fri, Dec 4, 2020 | 92.94 | 93.77 | 91.68 | 91.82 | 2058 | NASDAQ | QLYS | Thu, Dec 3, 2020 | 93.98 | 95.88 | 92.54 | 92.74 | 2057 | NASDAQ | QLYS | Wed, Dec 2, 2020 | 93.79 | 93.92 | 92.52 | 93.54 | 2056 | NASDAQ | QLYS | Tue, Dec 1, 2020 | 95.32 | 95.90 | 93.42 | 94.38 | 2055 | NASDAQ | QLYS | Mon, Nov 30, 2020 | 94.25 | 95.17 | 93.32 | 95.01 | 2054 | NASDAQ | QLYS | Fri, Nov 27, 2020 | 92.00 | 93.99 | 92.00 | 93.71 | 2053 | NASDAQ | QLYS | Wed, Nov 25, 2020 | 91.82 | 92.25 | 90.37 | 91.88 | 2052 | NASDAQ | QLYS | Tue, Nov 24, 2020 | 90.63 | 91.98 | 89.56 | 91.28 | 2051 | NASDAQ | QLYS | Mon, Nov 23, 2020 | 91.41 | 91.74 | 89.91 | 90.71 | 2050 | NASDAQ | QLYS | Fri, Nov 20, 2020 | 89.13 | 91.84 | 88.73 | 91.33 | 2049 | NASDAQ | QLYS | Thu, Nov 19, 2020 | 88.92 | 89.95 | 87.75 | 89.88 | 2048 | NASDAQ | QLYS | Wed, Nov 18, 2020 | 90.87 | 91.74 | 89.07 | 89.17 | 2047 | NASDAQ | QLYS | Tue, Nov 17, 2020 | 91.31 | 91.99 | 90.06 | 91.41 | 2046 | NASDAQ | QLYS | Mon, Nov 16, 2020 | 92.92 | 93.27 | 89.80 | 91.01 | 2045 | NASDAQ | QLYS | Fri, Nov 13, 2020 | 91.29 | 93.07 | 90.65 | 92.80 | 2044 | NASDAQ | QLYS | Thu, Nov 12, 2020 | 91.61 | 93.28 | 90.08 | 90.47 | 2043 | NASDAQ | QLYS | Wed, Nov 11, 2020 | 92.73 | 94.00 | 90.87 | 91.63 | 2042 | NASDAQ | QLYS | Tue, Nov 10, 2020 | 91.00 | 92.28 | 88.73 | 91.92 | 2041 | NASDAQ | QLYS | Mon, Nov 9, 2020 | 91.21 | 95.35 | 91.12 | 91.55 | 2040 | NASDAQ | QLYS | Fri, Nov 6, 2020 | 94.07 | 94.82 | 90.29 | 91.99 | 2039 | NASDAQ | QLYS | Thu, Nov 5, 2020 | 100.88 | 102.53 | 92.72 | 94.13 | 2038 | NASDAQ | QLYS | Wed, Nov 4, 2020 | 93.38 | 96.32 | 92.49 | 94.74 | 2037 | NASDAQ | QLYS | Tue, Nov 3, 2020 | 90.47 | 92.42 | 89.91 | 90.66 | 2036 | NASDAQ | QLYS | Mon, Nov 2, 2020 | 88.76 | 91.36 | 88.18 | 89.87 | 2035 | NASDAQ | QLYS | Fri, Oct 30, 2020 | 90.02 | 90.73 | 86.65 | 87.85 | 2034 | NASDAQ | QLYS | Thu, Oct 29, 2020 | 92.08 | 92.37 | 90.20 | 91.11 | 2033 | NASDAQ | QLYS | Wed, Oct 28, 2020 | 93.58 | 95.00 | 91.17 | 91.68 | 2032 | NASDAQ | QLYS | Tue, Oct 27, 2020 | 96.99 | 99.04 | 95.89 | 96.03 | 2031 | NASDAQ | QLYS | Mon, Oct 26, 2020 | 97.40 | 98.45 | 94.82 | 96.02 | 2030 | NASDAQ | QLYS | Fri, Oct 23, 2020 | 95.84 | 97.90 | 95.10 | 97.67 | 2029 | NASDAQ | QLYS | Thu, Oct 22, 2020 | 95.53 | 96.94 | 93.91 | 96.73 | 2028 | NASDAQ | QLYS | Wed, Oct 21, 2020 | 98.69 | 100.68 | 98.15 | 98.48 | 2027 | NASDAQ | QLYS | Tue, Oct 20, 2020 | 100.48 | 102.37 | 98.52 | 98.76 | 2026 | NASDAQ | QLYS | Mon, Oct 19, 2020 | 101.93 | 103.13 | 99.99 | 100.37 | 2025 | NASDAQ | QLYS | Fri, Oct 16, 2020 | 102.06 | 102.99 | 101.19 | 101.62 | 2024 | NASDAQ | QLYS | Thu, Oct 15, 2020 | 100.00 | 101.81 | 99.40 | 101.75 | 2023 | NASDAQ | QLYS | Wed, Oct 14, 2020 | 104.60 | 105.04 | 100.87 | 101.64 | 2022 | NASDAQ | QLYS | Tue, Oct 13, 2020 | 102.78 | 104.96 | 102.49 | 104.34 | 2021 | NASDAQ | QLYS | Mon, Oct 12, 2020 | 100.89 | 102.54 | 100.16 | 102.33 | 2020 | NASDAQ | QLYS | Fri, Oct 9, 2020 | 99.59 | 101.00 | 99.00 | 99.90 | 2019 | NASDAQ | QLYS | Thu, Oct 8, 2020 | 100.19 | 100.59 | 98.48 | 99.02 | 2018 | NASDAQ | QLYS | Wed, Oct 7, 2020 | 97.35 | 99.60 | 97.04 | 98.90 | 2017 | NASDAQ | QLYS | Tue, Oct 6, 2020 | 98.75 | 99.27 | 96.73 | 96.91 | 2016 | NASDAQ | QLYS | Mon, Oct 5, 2020 | 96.61 | 98.73 | 96.19 | 98.34 | 2015 | NASDAQ | QLYS | Fri, Oct 2, 2020 | 96.46 | 98.70 | 95.99 | 96.13 | 2014 | NASDAQ | QLYS | Thu, Oct 1, 2020 | 98.52 | 99.19 | 97.14 | 97.56 | 2013 | NASDAQ | QLYS | Wed, Sep 30, 2020 | 99.49 | 100.80 | 97.83 | 98.01 | 2012 | NASDAQ | QLYS | Tue, Sep 29, 2020 | 100.04 | 101.30 | 99.38 | 99.46 | 2011 | NASDAQ | QLYS | Mon, Sep 28, 2020 | 100.02 | 101.54 | 99.28 | 100.51 | 2010 | NASDAQ | QLYS | Fri, Sep 25, 2020 | 97.89 | 99.98 | 97.79 | 99.19 | 2009 | NASDAQ | QLYS | Thu, Sep 24, 2020 | 96.14 | 97.85 | 95.00 | 97.54 | 2008 | NASDAQ | QLYS | Wed, Sep 23, 2020 | 96.95 | 100.72 | 96.56 | 97.11 | 2007 | NASDAQ | QLYS | Tue, Sep 22, 2020 | 96.99 | 97.44 | 94.21 | 97.20 | 2006 | NASDAQ | QLYS | Mon, Sep 21, 2020 | 92.60 | 96.27 | 91.75 | 96.11 | 2005 | NASDAQ | QLYS | Fri, Sep 18, 2020 | 94.90 | 95.92 | 90.93 | 93.84 | 2004 | NASDAQ | QLYS | Thu, Sep 17, 2020 | 93.00 | 94.03 | 91.48 | 93.87 | 2003 | NASDAQ | QLYS | Wed, Sep 16, 2020 | 98.29 | 99.23 | 94.59 | 94.87 | 2002 | NASDAQ | QLYS | Tue, Sep 15, 2020 | 98.66 | 98.82 | 96.30 | 98.45 | 2001 | NASDAQ | QLYS | Mon, Sep 14, 2020 | 97.20 | 99.73 | 97.03 | 97.69 | 2000 | NASDAQ | QLYS | Fri, Sep 11, 2020 | 99.96 | 99.96 | 95.68 | 96.23 | 1999 | NASDAQ | QLYS | Thu, Sep 10, 2020 | 104.01 | 104.55 | 98.80 | 98.89 | 1998 | NASDAQ | QLYS | Wed, Sep 9, 2020 | 102.36 | 103.88 | 98.83 | 103.49 | 1997 | NASDAQ | QLYS | Tue, Sep 8, 2020 | 97.85 | 100.37 | 97.31 | 98.67 | 1996 | NASDAQ | QLYS | Fri, Sep 4, 2020 | 101.75 | 102.81 | 94.92 | 100.27 | 1995 | NASDAQ | QLYS | Thu, Sep 3, 2020 | 108.85 | 110.37 | 100.84 | 102.36 | 1994 | NASDAQ | QLYS | Wed, Sep 2, 2020 | 109.20 | 111.13 | 108.50 | 110.99 | 1993 | NASDAQ | QLYS | Tue, Sep 1, 2020 | 107.28 | 109.25 | 106.85 | 108.42 | 1992 | NASDAQ | QLYS | Mon, Aug 31, 2020 | 106.30 | 107.47 | 105.69 | 106.14 | 1991 | NASDAQ | QLYS | Fri, Aug 28, 2020 | 106.84 | 107.91 | 105.89 | 106.49 | 1990 | NASDAQ | QLYS | Thu, Aug 27, 2020 | 109.00 | 109.50 | 106.40 | 106.72 | 1989 | NASDAQ | QLYS | Wed, Aug 26, 2020 | 107.30 | 109.46 | 106.63 | 108.40 | 1988 | NASDAQ | QLYS | Tue, Aug 25, 2020 | 106.76 | 107.88 | 106.26 | 107.06 | 1987 | NASDAQ | QLYS | Mon, Aug 24, 2020 | 107.17 | 107.81 | 105.93 | 107.12 | 1986 | NASDAQ | QLYS | Fri, Aug 21, 2020 | 108.64 | 108.64 | 105.04 | 106.13 | 1985 | NASDAQ | QLYS | Thu, Aug 20, 2020 | 106.05 | 109.54 | 105.42 | 108.54 | 1984 | NASDAQ | QLYS | Wed, Aug 19, 2020 | 106.94 | 109.14 | 106.51 | 107.59 | 1983 | NASDAQ | QLYS | Tue, Aug 18, 2020 | 105.81 | 107.26 | 105.12 | 107.24 | 1982 | NASDAQ | QLYS | Mon, Aug 17, 2020 | 103.24 | 106.09 | 103.24 | 104.69 | 1981 | NASDAQ | QLYS | Fri, Aug 14, 2020 | 103.75 | 104.75 | 102.46 | 102.97 | 1980 | NASDAQ | QLYS | Thu, Aug 13, 2020 | 101.57 | 105.74 | 101.01 | 103.73 | 1979 | NASDAQ | QLYS | Wed, Aug 12, 2020 | 106.06 | 108.60 | 100.46 | 100.95 | 1978 | NASDAQ | QLYS | Tue, Aug 11, 2020 | 107.31 | 110.00 | 102.00 | 104.76 | 1977 | NASDAQ | QLYS | Mon, Aug 10, 2020 | 121.00 | 121.00 | 111.64 | 112.87 | 1976 | NASDAQ | QLYS | Fri, Aug 7, 2020 | 123.30 | 123.80 | 119.42 | 120.39 | 1975 | NASDAQ | QLYS | Thu, Aug 6, 2020 | 124.63 | 124.77 | 121.77 | 123.52 | 1974 | NASDAQ | QLYS | Wed, Aug 5, 2020 | 124.60 | 125.22 | 123.84 | 124.11 | 1973 | NASDAQ | QLYS | Tue, Aug 4, 2020 | 123.32 | 124.27 | 122.42 | 124.02 | 1972 | NASDAQ | QLYS | Mon, Aug 3, 2020 | 124.90 | 124.90 | 122.69 | 123.51 | 1971 | NASDAQ | QLYS | Fri, Jul 31, 2020 | 123.75 | 123.93 | 120.70 | 123.48 | 1970 | NASDAQ | QLYS | Thu, Jul 30, 2020 | 120.53 | 122.87 | 119.54 | 122.43 | 1969 | NASDAQ | QLYS | Wed, Jul 29, 2020 | 116.25 | 122.03 | 115.60 | 121.65 | 1968 | NASDAQ | QLYS | Tue, Jul 28, 2020 | 112.66 | 116.90 | 112.66 | 114.71 | 1967 | NASDAQ | QLYS | Mon, Jul 27, 2020 | 111.21 | 113.68 | 111.21 | 113.50 | 1966 | NASDAQ | QLYS | Fri, Jul 24, 2020 | 111.50 | 111.50 | 109.29 | 110.28 | 1965 | NASDAQ | QLYS | Thu, Jul 23, 2020 | 112.00 | 114.21 | 110.87 | 111.57 | 1964 | NASDAQ | QLYS | Wed, Jul 22, 2020 | 113.76 | 114.21 | 110.86 | 112.15 | 1963 | NASDAQ | QLYS | Tue, Jul 21, 2020 | 114.62 | 114.90 | 111.75 | 112.85 | 1962 | NASDAQ | QLYS | Mon, Jul 20, 2020 | 108.84 | 113.74 | 108.75 | 113.50 | 1961 | NASDAQ | QLYS | Fri, Jul 17, 2020 | 106.45 | 108.69 | 105.92 | 108.49 | 1960 | NASDAQ | QLYS | Thu, Jul 16, 2020 | 108.51 | 108.59 | 104.83 | 106.23 | 1959 | NASDAQ | QLYS | Wed, Jul 15, 2020 | 110.56 | 113.16 | 109.35 | 109.74 | 1958 | NASDAQ | QLYS | Tue, Jul 14, 2020 | 106.30 | 109.20 | 104.10 | 109.06 | 1957 | NASDAQ | QLYS | Mon, Jul 13, 2020 | 110.85 | 112.25 | 106.83 | 106.93 | 1956 | NASDAQ | QLYS | Fri, Jul 10, 2020 | 109.49 | 110.35 | 107.99 | 110.01 | 1955 | NASDAQ | QLYS | Thu, Jul 9, 2020 | 108.89 | 110.24 | 106.73 | 109.49 | 1954 | NASDAQ | QLYS | Wed, Jul 8, 2020 | 106.82 | 107.34 | 105.19 | 107.28 | 1953 | NASDAQ | QLYS | Tue, Jul 7, 2020 | 106.25 | 108.61 | 105.77 | 105.95 | 1952 | NASDAQ | QLYS | Mon, Jul 6, 2020 | 106.40 | 108.14 | 104.86 | 106.83 | 1951 | NASDAQ | QLYS | Thu, Jul 2, 2020 | 104.96 | 106.49 | 103.72 | 104.71 | 1950 | NASDAQ | QLYS | Wed, Jul 1, 2020 | 104.30 | 104.60 | 102.80 | 104.01 | 1949 | NASDAQ | QLYS | Tue, Jun 30, 2020 | 101.47 | 104.24 | 101.09 | 104.02 | 1948 | NASDAQ | QLYS | Mon, Jun 29, 2020 | 100.46 | 102.13 | 98.70 | 100.83 | 1947 | NASDAQ | QLYS | Fri, Jun 26, 2020 | 103.02 | 103.50 | 100.56 | 100.87 | 1946 | NASDAQ | QLYS | Thu, Jun 25, 2020 | 102.02 | 102.80 | 100.93 | 102.79 | 1945 | NASDAQ | QLYS | Wed, Jun 24, 2020 | 103.64 | 105.71 | 101.52 | 102.43 | 1944 | NASDAQ | QLYS | Tue, Jun 23, 2020 | 104.11 | 104.48 | 102.80 | 103.19 | 1943 | NASDAQ | QLYS | Mon, Jun 22, 2020 | 101.31 | 103.28 | 99.37 | 103.17 | 1942 | NASDAQ | QLYS | Fri, Jun 19, 2020 | 101.29 | 103.46 | 100.40 | 100.40 | 1941 | NASDAQ | QLYS | Thu, Jun 18, 2020 | 102.58 | 103.37 | 99.41 | 101.16 | 1940 | NASDAQ | QLYS | Wed, Jun 17, 2020 | 103.26 | 103.95 | 101.86 | 103.20 | 1939 | NASDAQ | QLYS | Tue, Jun 16, 2020 | 104.05 | 104.52 | 101.61 | 102.60 | 1938 | NASDAQ | QLYS | Mon, Jun 15, 2020 | 98.02 | 102.38 | 97.10 | 101.61 | 1937 | NASDAQ | QLYS | Fri, Jun 12, 2020 | 104.76 | 104.97 | 101.05 | 103.11 | 1936 | NASDAQ | QLYS | Thu, Jun 11, 2020 | 107.26 | 107.80 | 102.11 | 102.28 | 1935 | NASDAQ | QLYS | Wed, Jun 10, 2020 | 108.16 | 109.30 | 107.33 | 108.01 | 1934 | NASDAQ | QLYS | Tue, Jun 9, 2020 | 108.65 | 109.61 | 107.08 | 107.38 | 1933 | NASDAQ | QLYS | Mon, Jun 8, 2020 | 108.13 | 108.15 | 104.73 | 108.01 | 1932 | NASDAQ | QLYS | Fri, Jun 5, 2020 | 110.52 | 112.53 | 107.74 | 108.54 | 1931 | NASDAQ | QLYS | Thu, Jun 4, 2020 | 113.87 | 113.87 | 110.07 | 110.91 | 1930 | NASDAQ | QLYS | Wed, Jun 3, 2020 | 114.19 | 114.78 | 112.25 | 114.29 | 1929 | NASDAQ | QLYS | Tue, Jun 2, 2020 | 118.00 | 119.01 | 111.72 | 113.84 | 1928 | NASDAQ | QLYS | Mon, Jun 1, 2020 | 115.43 | 119.20 | 114.64 | 117.93 | 1927 | NASDAQ | QLYS | Fri, May 29, 2020 | 112.27 | 115.41 | 111.23 | 115.32 | 1926 | NASDAQ | QLYS | Thu, May 28, 2020 | 112.24 | 115.38 | 111.22 | 111.66 | 1925 | NASDAQ | QLYS | Wed, May 27, 2020 | 116.52 | 117.49 | 108.74 | 112.79 | 1924 | NASDAQ | QLYS | Tue, May 26, 2020 | 113.73 | 117.54 | 113.67 | 117.32 | 1923 | NASDAQ | QLYS | Fri, May 22, 2020 | 109.96 | 112.09 | 108.77 | 112.00 | 1922 | NASDAQ | QLYS | Thu, May 21, 2020 | 111.36 | 112.22 | 109.07 | 109.60 | 1921 | NASDAQ | QLYS | Wed, May 20, 2020 | 111.50 | 113.02 | 110.34 | 111.42 | 1920 | NASDAQ | QLYS | Tue, May 19, 2020 | 109.63 | 111.11 | 109.26 | 109.36 | 1919 | NASDAQ | QLYS | Mon, May 18, 2020 | 106.23 | 109.24 | 105.75 | 108.75 | 1918 | NASDAQ | QLYS | Fri, May 15, 2020 | 104.72 | 106.16 | 104.07 | 105.81 | 1917 | NASDAQ | QLYS | Thu, May 14, 2020 | 101.08 | 104.64 | 100.50 | 104.59 | 1916 | NASDAQ | QLYS | Wed, May 13, 2020 | 105.12 | 105.76 | 100.47 | 101.77 | 1915 | NASDAQ | QLYS | Tue, May 12, 2020 | 106.62 | 108.34 | 104.67 | 104.81 | 1914 | NASDAQ | QLYS | Mon, May 11, 2020 | 103.49 | 107.32 | 103.28 | 106.52 | 1913 | NASDAQ | QLYS | Fri, May 8, 2020 | 107.00 | 108.98 | 100.06 | 104.40 | 1912 | NASDAQ | QLYS | Thu, May 7, 2020 | 108.54 | 111.79 | 106.84 | 111.25 | 1911 | NASDAQ | QLYS | Wed, May 6, 2020 | 103.33 | 107.24 | 102.84 | 105.41 | 1910 | NASDAQ | QLYS | Tue, May 5, 2020 | 102.57 | 104.06 | 101.43 | 102.58 | 1909 | NASDAQ | QLYS | Mon, May 4, 2020 | 99.63 | 101.49 | 98.24 | 101.24 | 1908 | NASDAQ | QLYS | Fri, May 1, 2020 | 101.93 | 103.79 | 99.25 | 99.86 | 1907 | NASDAQ | QLYS | Thu, Apr 30, 2020 | 105.05 | 107.94 | 103.62 | 105.44 | 1906 | NASDAQ | QLYS | Wed, Apr 29, 2020 | 106.36 | 106.77 | 103.28 | 104.84 | 1905 | NASDAQ | QLYS | Tue, Apr 28, 2020 | 108.31 | 109.11 | 103.25 | 104.80 | 1904 | NASDAQ | QLYS | Mon, Apr 27, 2020 | 108.24 | 110.43 | 107.55 | 108.31 | 1903 | NASDAQ | QLYS | Fri, Apr 24, 2020 | 108.27 | 110.00 | 107.14 | 109.26 | 1902 | NASDAQ | QLYS | Thu, Apr 23, 2020 | 107.01 | 108.73 | 105.76 | 106.12 | 1901 | NASDAQ | QLYS | Wed, Apr 22, 2020 | 108.36 | 109.82 | 107.04 | 107.55 | 1900 | NASDAQ | QLYS | Tue, Apr 21, 2020 | 107.33 | 109.15 | 105.35 | 106.92 | 1899 | NASDAQ | QLYS | Mon, Apr 20, 2020 | 106.14 | 110.89 | 105.23 | 107.84 | 1898 | NASDAQ | QLYS | Fri, Apr 17, 2020 | 106.96 | 108.33 | 104.21 | 106.13 | 1897 | NASDAQ | QLYS | Thu, Apr 16, 2020 | 105.57 | 107.72 | 103.28 | 105.81 | 1896 | NASDAQ | QLYS | Wed, Apr 15, 2020 | 106.63 | 108.99 | 104.60 | 105.50 | 1895 | NASDAQ | QLYS | Tue, Apr 14, 2020 | 105.00 | 108.00 | 104.17 | 107.24 | 1894 | NASDAQ | QLYS | Mon, Apr 13, 2020 | 102.65 | 104.95 | 101.56 | 104.61 | 1893 | NASDAQ | QLYS | Thu, Apr 9, 2020 | 96.72 | 103.04 | 96.43 | 100.70 | 1892 | NASDAQ | QLYS | Wed, Apr 8, 2020 | 91.05 | 97.24 | 89.55 | 95.50 | 1891 | NASDAQ | QLYS | Tue, Apr 7, 2020 | 92.87 | 92.98 | 86.42 | 89.43 | 1890 | NASDAQ | QLYS | Mon, Apr 6, 2020 | 90.13 | 92.99 | 89.58 | 91.13 | 1889 | NASDAQ | QLYS | Fri, Apr 3, 2020 | 84.81 | 89.40 | 84.76 | 87.89 | 1888 | NASDAQ | QLYS | Thu, Apr 2, 2020 | 82.34 | 86.64 | 82.34 | 85.54 | 1887 | NASDAQ | QLYS | Wed, Apr 1, 2020 | 84.91 | 86.99 | 81.80 | 82.80 | 1886 | NASDAQ | QLYS | Tue, Mar 31, 2020 | 87.49 | 89.15 | 85.23 | 86.99 | 1885 | NASDAQ | QLYS | Mon, Mar 30, 2020 | 85.11 | 89.55 | 85.01 | 87.66 | 1884 | NASDAQ | QLYS | Fri, Mar 27, 2020 | 86.01 | 87.65 | 81.79 | 84.14 | 1883 | NASDAQ | QLYS | Thu, Mar 26, 2020 | 81.90 | 87.62 | 80.00 | 87.58 | 1882 | NASDAQ | QLYS | Wed, Mar 25, 2020 | 82.00 | 85.70 | 79.99 | 80.88 | 1881 | NASDAQ | QLYS | Tue, Mar 24, 2020 | 81.21 | 84.06 | 76.24 | 81.55 | 1880 | NASDAQ | QLYS | Mon, Mar 23, 2020 | 81.80 | 83.31 | 77.30 | 78.06 | 1879 | NASDAQ | QLYS | Fri, Mar 20, 2020 | 78.94 | 82.53 | 77.01 | 81.25 | 1878 | NASDAQ | QLYS | Thu, Mar 19, 2020 | 76.29 | 80.20 | 73.41 | 78.84 | 1877 | NASDAQ | QLYS | Wed, Mar 18, 2020 | 70.91 | 78.16 | 66.97 | 76.35 | 1876 | NASDAQ | QLYS | Tue, Mar 17, 2020 | 71.33 | 76.48 | 68.34 | 74.39 | 1875 | NASDAQ | QLYS | Mon, Mar 16, 2020 | 64.49 | 70.95 | 63.37 | 69.55 | 1874 | NASDAQ | QLYS | Fri, Mar 13, 2020 | 70.90 | 73.90 | 66.86 | 71.35 | 1873 | NASDAQ | QLYS | Thu, Mar 12, 2020 | 70.01 | 76.35 | 67.40 | 68.00 | 1872 | NASDAQ | QLYS | Wed, Mar 11, 2020 | 75.41 | 76.85 | 73.69 | 74.40 | 1871 | NASDAQ | QLYS | Tue, Mar 10, 2020 | 77.52 | 77.97 | 74.21 | 77.41 | 1870 | NASDAQ | QLYS | Mon, Mar 9, 2020 | 74.03 | 78.50 | 73.30 | 75.01 | 1869 | NASDAQ | QLYS | Fri, Mar 6, 2020 | 79.94 | 80.66 | 77.05 | 78.87 | 1868 | NASDAQ | QLYS | Thu, Mar 5, 2020 | 81.13 | 82.61 | 80.46 | 82.23 | 1867 | NASDAQ | QLYS | Wed, Mar 4, 2020 | 81.52 | 83.22 | 79.99 | 83.16 | 1866 | NASDAQ | QLYS | Tue, Mar 3, 2020 | 82.44 | 83.95 | 78.48 | 79.95 | 1865 | NASDAQ | QLYS | Mon, Mar 2, 2020 | 80.32 | 82.27 | 78.76 | 82.03 | 1864 | NASDAQ | QLYS | Fri, Feb 28, 2020 | 75.17 | 80.35 | 75.17 | 80.18 | 1863 | NASDAQ | QLYS | Thu, Feb 27, 2020 | 79.48 | 82.05 | 77.64 | 77.68 | 1862 | NASDAQ | QLYS | Wed, Feb 26, 2020 | 84.26 | 85.21 | 81.69 | 81.88 | 1861 | NASDAQ | QLYS | Tue, Feb 25, 2020 | 89.27 | 89.59 | 83.81 | 83.92 | 1860 | NASDAQ | QLYS | Mon, Feb 24, 2020 | 88.47 | 89.56 | 87.16 | 88.86 | 1859 | NASDAQ | QLYS | Fri, Feb 21, 2020 | 94.18 | 94.29 | 90.91 | 91.64 | 1858 | NASDAQ | QLYS | Thu, Feb 20, 2020 | 93.31 | 94.72 | 92.30 | 94.32 | 1857 | NASDAQ | QLYS | Wed, Feb 19, 2020 | 93.01 | 94.26 | 92.67 | 93.41 | 1856 | NASDAQ | QLYS | Tue, Feb 18, 2020 | 90.89 | 94.49 | 90.89 | 92.86 | 1855 | NASDAQ | QLYS | Fri, Feb 14, 2020 | 90.50 | 93.20 | 90.20 | 92.44 | 1854 | NASDAQ | QLYS | Thu, Feb 13, 2020 | 91.99 | 94.32 | 87.40 | 90.08 | 1853 | NASDAQ | QLYS | Wed, Feb 12, 2020 | 89.80 | 91.23 | 86.85 | 91.05 | 1852 | NASDAQ | QLYS | Tue, Feb 11, 2020 | 90.41 | 91.12 | 89.26 | 89.61 | 1851 | NASDAQ | QLYS | Mon, Feb 10, 2020 | 88.40 | 90.04 | 88.22 | 89.92 | 1850 | NASDAQ | QLYS | Fri, Feb 7, 2020 | 88.59 | 89.82 | 88.28 | 88.57 | 1849 | NASDAQ | QLYS | Thu, Feb 6, 2020 | 88.27 | 89.03 | 87.73 | 88.71 | 1848 | NASDAQ | QLYS | Wed, Feb 5, 2020 | 88.31 | 88.50 | 86.50 | 87.97 | 1847 | NASDAQ | QLYS | Tue, Feb 4, 2020 | 86.50 | 87.81 | 85.97 | 87.41 | 1846 | NASDAQ | QLYS | Mon, Feb 3, 2020 | 85.91 | 86.51 | 84.14 | 85.57 | 1845 | NASDAQ | QLYS | Fri, Jan 31, 2020 | 86.86 | 86.86 | 85.36 | 85.74 | 1844 | NASDAQ | QLYS | Thu, Jan 30, 2020 | 87.18 | 87.62 | 86.00 | 86.81 | 1843 | NASDAQ | QLYS | Wed, Jan 29, 2020 | 87.65 | 88.49 | 86.92 | 87.23 | 1842 | NASDAQ | QLYS | Tue, Jan 28, 2020 | 85.58 | 87.68 | 85.50 | 87.22 | 1841 | NASDAQ | QLYS | Mon, Jan 27, 2020 | 85.22 | 86.58 | 84.89 | 85.29 | 1840 | NASDAQ | QLYS | Fri, Jan 24, 2020 | 87.75 | 88.28 | 86.00 | 86.75 | 1839 | NASDAQ | QLYS | Thu, Jan 23, 2020 | 86.10 | 87.10 | 85.74 | 87.01 | 1838 | NASDAQ | QLYS | Wed, Jan 22, 2020 | 85.88 | 86.66 | 85.72 | 86.10 | 1837 | NASDAQ | QLYS | Tue, Jan 21, 2020 | 84.83 | 85.98 | 84.58 | 85.42 | 1836 | NASDAQ | QLYS | Fri, Jan 17, 2020 | 85.89 | 85.97 | 84.58 | 84.90 | 1835 | NASDAQ | QLYS | Thu, Jan 16, 2020 | 85.79 | 86.29 | 84.97 | 85.34 | 1834 | NASDAQ | QLYS | Wed, Jan 15, 2020 | 84.07 | 86.45 | 84.07 | 85.34 | 1833 | NASDAQ | QLYS | Tue, Jan 14, 2020 | 83.93 | 84.45 | 83.09 | 84.09 | 1832 | NASDAQ | QLYS | Mon, Jan 13, 2020 | 83.51 | 84.58 | 83.12 | 83.95 | 1831 | NASDAQ | QLYS | Fri, Jan 10, 2020 | 84.53 | 84.76 | 83.06 | 83.58 | 1830 | NASDAQ | QLYS | Thu, Jan 9, 2020 | 84.54 | 84.78 | 83.79 | 84.08 | 1829 | NASDAQ | QLYS | Wed, Jan 8, 2020 | 83.88 | 84.70 | 82.93 | 84.05 | 1828 | NASDAQ | QLYS | Tue, Jan 7, 2020 | 84.76 | 85.37 | 83.60 | 83.69 | 1827 | NASDAQ | QLYS | Mon, Jan 6, 2020 | 82.94 | 85.06 | 82.59 | 84.88 | 1826 | NASDAQ | QLYS | Fri, Jan 3, 2020 | 83.06 | 83.65 | 82.99 | 83.57 | 1825 | NASDAQ | QLYS | Thu, Jan 2, 2020 | 83.76 | 84.65 | 83.42 | 84.24 | 1824 | NASDAQ | QLYS | Tue, Dec 31, 2019 | 83.42 | 83.84 | 82.51 | 83.37 | 1823 | NASDAQ | QLYS | Mon, Dec 30, 2019 | 84.50 | 84.92 | 82.72 | 83.44 | 1822 | NASDAQ | QLYS | Fri, Dec 27, 2019 | 85.45 | 85.45 | 84.31 | 84.64 | 1821 | NASDAQ | QLYS | Thu, Dec 26, 2019 | 85.22 | 85.89 | 84.73 | 85.01 | 1820 | NASDAQ | QLYS | Tue, Dec 24, 2019 | 85.74 | 85.74 | 84.78 | 84.97 | 1819 | NASDAQ | QLYS | Mon, Dec 23, 2019 | 85.57 | 85.57 | 84.31 | 85.40 | 1818 | NASDAQ | QLYS | Fri, Dec 20, 2019 | 84.96 | 85.60 | 84.67 | 85.13 | 1817 | NASDAQ | QLYS | Thu, Dec 19, 2019 | 83.97 | 85.00 | 83.12 | 84.71 | 1816 | NASDAQ | QLYS | Wed, Dec 18, 2019 | 84.76 | 84.98 | 83.55 | 83.80 | 1815 | NASDAQ | QLYS | Tue, Dec 17, 2019 | 85.14 | 86.00 | 83.87 | 84.54 | 1814 | NASDAQ | QLYS | Mon, Dec 16, 2019 | 85.80 | 86.10 | 84.96 | 84.96 | 1813 | NASDAQ | QLYS | Fri, Dec 13, 2019 | 84.90 | 86.53 | 84.64 | 85.08 | 1812 | NASDAQ | QLYS | Thu, Dec 12, 2019 | 84.42 | 85.66 | 83.88 | 84.77 | 1811 | NASDAQ | QLYS | Wed, Dec 11, 2019 | 85.92 | 85.92 | 83.64 | 84.40 | 1810 | NASDAQ | QLYS | Tue, Dec 10, 2019 | 85.75 | 85.90 | 85.00 | 85.76 | 1809 | NASDAQ | QLYS | Mon, Dec 9, 2019 | 85.61 | 86.39 | 85.23 | 85.60 | 1808 | NASDAQ | QLYS | Fri, Dec 6, 2019 | 85.91 | 86.82 | 85.28 | 85.32 | 1807 | NASDAQ | QLYS | Thu, Dec 5, 2019 | 85.76 | 86.35 | 85.10 | 85.77 | 1806 | NASDAQ | QLYS | Wed, Dec 4, 2019 | 85.13 | 86.49 | 84.21 | 85.46 | 1805 | NASDAQ | QLYS | Tue, Dec 3, 2019 | 83.59 | 84.71 | 82.01 | 84.43 | 1804 | NASDAQ | QLYS | Mon, Dec 2, 2019 | 87.38 | 87.45 | 84.29 | 84.41 | 1803 | NASDAQ | QLYS | Fri, Nov 29, 2019 | 86.60 | 87.99 | 86.52 | 87.51 | 1802 | NASDAQ | QLYS | Wed, Nov 27, 2019 | 88.05 | 88.63 | 86.69 | 87.42 | 1801 | NASDAQ | QLYS | Tue, Nov 26, 2019 | 87.56 | 88.25 | 87.28 | 87.87 | 1800 | NASDAQ | QLYS | Mon, Nov 25, 2019 | 86.97 | 88.19 | 86.80 | 87.43 | 1799 | NASDAQ | QLYS | Fri, Nov 22, 2019 | 88.35 | 88.78 | 86.13 | 86.25 | 1798 | NASDAQ | QLYS | Thu, Nov 21, 2019 | 88.42 | 88.89 | 87.38 | 87.69 | 1797 | NASDAQ | QLYS | Wed, Nov 20, 2019 | 87.73 | 88.91 | 87.26 | 87.94 | 1796 | NASDAQ | QLYS | Tue, Nov 19, 2019 | 87.22 | 88.49 | 87.07 | 88.30 | 1795 | NASDAQ | QLYS | Mon, Nov 18, 2019 | 85.97 | 87.45 | 85.44 | 86.68 | 1794 | NASDAQ | QLYS | Fri, Nov 15, 2019 | 85.04 | 86.03 | 84.76 | 85.64 | 1793 | NASDAQ | QLYS | Thu, Nov 14, 2019 | 84.99 | 85.49 | 84.29 | 84.76 | 1792 | NASDAQ | QLYS | Wed, Nov 13, 2019 | 84.78 | 85.66 | 84.47 | 84.93 | 1791 | NASDAQ | QLYS | Tue, Nov 12, 2019 | 84.35 | 85.36 | 84.17 | 85.22 | 1790 | NASDAQ | QLYS | Mon, Nov 11, 2019 | 83.36 | 84.38 | 83.00 | 84.09 | 1789 | NASDAQ | QLYS | Fri, Nov 8, 2019 | 84.62 | 84.62 | 82.34 | 83.74 | 1788 | NASDAQ | QLYS | Thu, Nov 7, 2019 | 84.41 | 85.88 | 84.03 | 84.69 | 1787 | NASDAQ | QLYS | Wed, Nov 6, 2019 | 84.20 | 84.82 | 83.66 | 84.07 | 1786 | NASDAQ | QLYS | Tue, Nov 5, 2019 | 84.94 | 85.54 | 83.15 | 84.35 | 1785 | NASDAQ | QLYS | Mon, Nov 4, 2019 | 86.65 | 87.00 | 84.34 | 84.78 | 1784 | NASDAQ | QLYS | Fri, Nov 1, 2019 | 85.98 | 87.54 | 84.36 | 86.35 | 1783 | NASDAQ | QLYS | Thu, Oct 31, 2019 | 85.03 | 87.55 | 80.55 | 85.33 | 1782 | NASDAQ | QLYS | Wed, Oct 30, 2019 | 82.63 | 85.35 | 81.20 | 83.34 | 1781 | NASDAQ | QLYS | Tue, Oct 29, 2019 | 79.71 | 82.71 | 79.71 | 82.63 | 1780 | NASDAQ | QLYS | Mon, Oct 28, 2019 | 80.23 | 80.58 | 79.16 | 79.90 | 1779 | NASDAQ | QLYS | Fri, Oct 25, 2019 | 79.14 | 80.07 | 78.66 | 79.43 | 1778 | NASDAQ | QLYS | Thu, Oct 24, 2019 | 78.54 | 80.10 | 78.19 | 79.51 | 1777 | NASDAQ | QLYS | Wed, Oct 23, 2019 | 76.35 | 78.38 | 76.27 | 77.98 | 1776 | NASDAQ | QLYS | Tue, Oct 22, 2019 | 77.08 | 77.72 | 76.51 | 76.59 | 1775 | NASDAQ | QLYS | Mon, Oct 21, 2019 | 76.96 | 78.11 | 76.76 | 77.00 | 1774 | NASDAQ | QLYS | Fri, Oct 18, 2019 | 77.15 | 77.90 | 75.04 | 76.34 | 1773 | NASDAQ | QLYS | Thu, Oct 17, 2019 | 78.88 | 79.48 | 77.21 | 77.33 | 1772 | NASDAQ | QLYS | Wed, Oct 16, 2019 | 78.69 | 78.69 | 76.80 | 78.41 | 1771 | NASDAQ | QLYS | Tue, Oct 15, 2019 | 78.41 | 79.82 | 77.78 | 79.05 | 1770 | NASDAQ | QLYS | Mon, Oct 14, 2019 | 77.72 | 78.12 | 77.14 | 78.09 | 1769 | NASDAQ | QLYS | Fri, Oct 11, 2019 | 76.01 | 78.92 | 75.41 | 77.70 | 1768 | NASDAQ | QLYS | Thu, Oct 10, 2019 | 77.30 | 77.30 | 73.76 | 74.68 | 1767 | NASDAQ | QLYS | Wed, Oct 9, 2019 | 76.64 | 77.47 | 75.80 | 77.19 | 1766 | NASDAQ | QLYS | Tue, Oct 8, 2019 | 77.40 | 78.08 | 75.69 | 75.80 | 1765 | NASDAQ | QLYS | Mon, Oct 7, 2019 | 78.38 | 79.14 | 77.64 | 78.41 | 1764 | NASDAQ | QLYS | Fri, Oct 4, 2019 | 79.30 | 80.19 | 77.54 | 78.47 | 1763 | NASDAQ | QLYS | Thu, Oct 3, 2019 | 77.82 | 80.03 | 77.23 | 78.99 | 1762 | NASDAQ | QLYS | Wed, Oct 2, 2019 | 75.32 | 78.35 | 75.09 | 78.20 | 1761 | NASDAQ | QLYS | Tue, Oct 1, 2019 | 76.04 | 76.53 | 75.32 | 76.13 | 1760 | NASDAQ | QLYS | Mon, Sep 30, 2019 | 74.70 | 75.81 | 74.01 | 75.57 | 1759 | NASDAQ | QLYS | Fri, Sep 27, 2019 | 75.94 | 76.00 | 73.80 | 74.65 | 1758 | NASDAQ | QLYS | Thu, Sep 26, 2019 | 75.41 | 76.36 | 74.88 | 75.60 | 1757 | NASDAQ | QLYS | Wed, Sep 25, 2019 | 74.00 | 75.41 | 72.76 | 75.17 | 1756 | NASDAQ | QLYS | Tue, Sep 24, 2019 | 76.60 | 76.87 | 73.70 | 73.98 | 1755 | NASDAQ | QLYS | Mon, Sep 23, 2019 | 78.19 | 78.63 | 76.43 | 76.64 | 1754 | NASDAQ | QLYS | Fri, Sep 20, 2019 | 79.26 | 79.66 | 77.56 | 78.07 | 1753 | NASDAQ | QLYS | Thu, Sep 19, 2019 | 79.47 | 80.06 | 78.48 | 78.90 | 1752 | NASDAQ | QLYS | Wed, Sep 18, 2019 | 80.94 | 80.94 | 78.13 | 79.17 | 1751 | NASDAQ | QLYS | Tue, Sep 17, 2019 | 80.37 | 81.40 | 79.96 | 81.03 | 1750 | NASDAQ | QLYS | Mon, Sep 16, 2019 | 79.08 | 80.96 | 78.88 | 80.28 | 1749 | NASDAQ | QLYS | Fri, Sep 13, 2019 | 80.84 | 80.96 | 79.69 | 79.92 | 1748 | NASDAQ | QLYS | Thu, Sep 12, 2019 | 81.36 | 83.02 | 80.16 | 80.56 | 1747 | NASDAQ | QLYS | Wed, Sep 11, 2019 | 79.08 | 81.62 | 77.71 | 80.42 | 1746 | NASDAQ | QLYS | Tue, Sep 10, 2019 | 78.69 | 80.13 | 77.35 | 79.22 | 1745 | NASDAQ | QLYS | Mon, Sep 9, 2019 | 81.06 | 81.20 | 77.76 | 79.35 | 1744 | NASDAQ | QLYS | Fri, Sep 6, 2019 | 81.29 | 82.26 | 80.39 | 80.91 | 1743 | NASDAQ | QLYS | Thu, Sep 5, 2019 | 80.30 | 81.13 | 78.78 | 80.79 | 1742 | NASDAQ | QLYS | Wed, Sep 4, 2019 | 78.88 | 79.54 | 78.23 | 79.09 | 1741 | NASDAQ | QLYS | Tue, Sep 3, 2019 | 78.76 | 79.34 | 76.58 | 77.94 | 1740 | NASDAQ | QLYS | Fri, Aug 30, 2019 | 82.06 | 82.70 | 78.96 | 79.62 | 1739 | NASDAQ | QLYS | Thu, Aug 29, 2019 | 80.16 | 82.04 | 79.87 | 80.91 | 1738 | NASDAQ | QLYS | Wed, Aug 28, 2019 | 80.54 | 80.60 | 78.92 | 79.19 | 1737 | NASDAQ | QLYS | Tue, Aug 27, 2019 | 82.93 | 83.35 | 80.50 | 80.83 | 1736 | NASDAQ | QLYS | Mon, Aug 26, 2019 | 83.27 | 83.27 | 81.11 | 82.42 | 1735 | NASDAQ | QLYS | Fri, Aug 23, 2019 | 83.69 | 85.21 | 81.94 | 82.17 | 1734 | NASDAQ | QLYS | Thu, Aug 22, 2019 | 84.35 | 85.39 | 83.26 | 83.92 | 1733 | NASDAQ | QLYS | Wed, Aug 21, 2019 | 84.44 | 85.39 | 83.83 | 84.16 | 1732 | NASDAQ | QLYS | Tue, Aug 20, 2019 | 83.75 | 84.38 | 82.33 | 83.36 | 1731 | NASDAQ | QLYS | Mon, Aug 19, 2019 | 84.73 | 85.14 | 84.05 | 84.10 | 1730 | NASDAQ | QLYS | Fri, Aug 16, 2019 | 82.94 | 84.65 | 82.89 | 84.30 | 1729 | NASDAQ | QLYS | Thu, Aug 15, 2019 | 82.50 | 82.78 | 81.47 | 82.34 | 1728 | NASDAQ | QLYS | Wed, Aug 14, 2019 | 82.65 | 83.62 | 81.72 | 82.05 | 1727 | NASDAQ | QLYS | Tue, Aug 13, 2019 | 83.65 | 85.00 | 82.77 | 84.49 | 1726 | NASDAQ | QLYS | Mon, Aug 12, 2019 | 82.46 | 84.10 | 81.61 | 83.45 | 1725 | NASDAQ | QLYS | Fri, Aug 9, 2019 | 83.87 | 84.00 | 82.21 | 82.99 | 1724 | NASDAQ | QLYS | Thu, Aug 8, 2019 | 83.35 | 85.41 | 82.70 | 84.35 | 1723 | NASDAQ | QLYS | Wed, Aug 7, 2019 | 80.32 | 83.43 | 80.32 | 82.48 | 1722 | NASDAQ | QLYS | Tue, Aug 6, 2019 | 81.97 | 82.55 | 80.14 | 81.70 | 1721 | NASDAQ | QLYS | Mon, Aug 5, 2019 | 80.76 | 81.98 | 78.77 | 80.94 | 1720 | NASDAQ | QLYS | Fri, Aug 2, 2019 | 84.18 | 84.92 | 81.44 | 83.06 | 1719 | NASDAQ | QLYS | Thu, Aug 1, 2019 | 84.75 | 88.00 | 83.07 | 84.34 | 1718 | NASDAQ | QLYS | Wed, Jul 31, 2019 | 89.41 | 89.73 | 86.43 | 86.56 | 1717 | NASDAQ | QLYS | Tue, Jul 30, 2019 | 88.73 | 90.70 | 88.73 | 89.13 | 1716 | NASDAQ | QLYS | Mon, Jul 29, 2019 | 91.54 | 91.54 | 86.71 | 89.59 | 1715 | NASDAQ | QLYS | Fri, Jul 26, 2019 | 90.00 | 92.19 | 90.00 | 91.45 | 1714 | NASDAQ | QLYS | Thu, Jul 25, 2019 | 88.30 | 90.12 | 87.82 | 89.55 | 1713 | NASDAQ | QLYS | Wed, Jul 24, 2019 | 86.71 | 88.89 | 86.34 | 88.81 | 1712 | NASDAQ | QLYS | Tue, Jul 23, 2019 | 89.78 | 89.78 | 86.31 | 87.08 | 1711 | NASDAQ | QLYS | Mon, Jul 22, 2019 | 87.89 | 89.04 | 86.82 | 88.79 | 1710 | NASDAQ | QLYS | Fri, Jul 19, 2019 | 88.78 | 90.18 | 87.74 | 87.80 | 1709 | NASDAQ | QLYS | Thu, Jul 18, 2019 | 89.07 | 89.07 | 87.01 | 88.21 | 1708 | NASDAQ | QLYS | Wed, Jul 17, 2019 | 89.92 | 90.76 | 88.99 | 89.30 | 1707 | NASDAQ | QLYS | Tue, Jul 16, 2019 | 91.07 | 91.45 | 89.61 | 89.63 | 1706 | NASDAQ | QLYS | Mon, Jul 15, 2019 | 90.78 | 91.56 | 89.50 | 90.62 | 1705 | NASDAQ | QLYS | Fri, Jul 12, 2019 | 88.84 | 89.61 | 87.51 | 89.46 | 1704 | NASDAQ | QLYS | Thu, Jul 11, 2019 | 89.05 | 89.16 | 87.48 | 88.70 | 1703 | NASDAQ | QLYS | Wed, Jul 10, 2019 | 88.56 | 89.80 | 87.64 | 88.63 | 1702 | NASDAQ | QLYS | Tue, Jul 9, 2019 | 86.82 | 87.84 | 86.50 | 87.76 | 1701 | NASDAQ | QLYS | Mon, Jul 8, 2019 | 87.89 | 88.12 | 86.87 | 87.28 | 1700 | NASDAQ | QLYS | Fri, Jul 5, 2019 | 87.09 | 88.40 | 86.42 | 88.40 | 1699 | NASDAQ | QLYS | Wed, Jul 3, 2019 | 88.23 | 88.90 | 87.75 | 87.99 | 1698 | NASDAQ | QLYS | Tue, Jul 2, 2019 | 86.39 | 88.32 | 85.67 | 87.72 | 1697 | NASDAQ | QLYS | Mon, Jul 1, 2019 | 88.57 | 88.87 | 85.76 | 86.51 | 1696 | NASDAQ | QLYS | Fri, Jun 28, 2019 | 86.83 | 87.77 | 85.78 | 87.08 | 1695 | NASDAQ | QLYS | Thu, Jun 27, 2019 | 83.58 | 85.72 | 82.40 | 85.46 | 1694 | NASDAQ | QLYS | Wed, Jun 26, 2019 | 86.59 | 87.59 | 83.02 | 83.14 | 1693 | NASDAQ | QLYS | Tue, Jun 25, 2019 | 86.82 | 88.58 | 85.75 | 85.88 | 1692 | NASDAQ | QLYS | Mon, Jun 24, 2019 | 87.85 | 88.74 | 86.94 | 87.85 | 1691 | NASDAQ | QLYS | Fri, Jun 21, 2019 | 89.22 | 89.75 | 87.15 | 87.26 | 1690 | NASDAQ | QLYS | Thu, Jun 20, 2019 | 90.17 | 91.09 | 89.42 | 89.74 | 1689 | NASDAQ | QLYS | Wed, Jun 19, 2019 | 87.96 | 89.51 | 86.83 | 88.96 | 1688 | NASDAQ | QLYS | Tue, Jun 18, 2019 | 86.84 | 87.94 | 86.50 | 87.51 | 1687 | NASDAQ | QLYS | Mon, Jun 17, 2019 | 85.66 | 86.73 | 84.71 | 85.66 | 1686 | NASDAQ | QLYS | Fri, Jun 14, 2019 | 86.59 | 87.11 | 85.25 | 85.42 | 1685 | NASDAQ | QLYS | Thu, Jun 13, 2019 | 87.77 | 88.22 | 86.79 | 87.14 | 1684 | NASDAQ | QLYS | Wed, Jun 12, 2019 | 85.88 | 87.38 | 85.04 | 87.23 | 1683 | NASDAQ | QLYS | Tue, Jun 11, 2019 | 89.60 | 89.61 | 83.22 | 86.13 | 1682 | NASDAQ | QLYS | Mon, Jun 10, 2019 | 86.93 | 89.65 | 86.30 | 88.73 | 1681 | NASDAQ | QLYS | Fri, Jun 7, 2019 | 85.40 | 87.11 | 85.01 | 85.89 | 1680 | NASDAQ | QLYS | Thu, Jun 6, 2019 | 85.83 | 85.83 | 83.81 | 84.94 | 1679 | NASDAQ | QLYS | Wed, Jun 5, 2019 | 86.07 | 86.83 | 84.32 | 85.80 | 1678 | NASDAQ | QLYS | Tue, Jun 4, 2019 | 82.90 | 85.42 | 81.25 | 85.39 | 1677 | NASDAQ | QLYS | Mon, Jun 3, 2019 | 88.53 | 90.26 | 81.01 | 81.88 | 1676 | NASDAQ | QLYS | Fri, May 31, 2019 | 88.67 | 89.87 | 88.04 | 88.61 | 1675 | NASDAQ | QLYS | Thu, May 30, 2019 | 89.72 | 90.92 | 89.21 | 90.18 | 1674 | NASDAQ | QLYS | Wed, May 29, 2019 | 90.36 | 91.31 | 88.65 | 89.21 | 1673 | NASDAQ | QLYS | Tue, May 28, 2019 | 90.41 | 92.00 | 89.79 | 91.72 | 1672 | NASDAQ | QLYS | Fri, May 24, 2019 | 91.04 | 91.80 | 89.73 | 90.41 | 1671 | NASDAQ | QLYS | Thu, May 23, 2019 | 89.75 | 90.65 | 88.36 | 90.17 | 1670 | NASDAQ | QLYS | Wed, May 22, 2019 | 87.91 | 90.64 | 87.80 | 90.15 | 1669 | NASDAQ | QLYS | Tue, May 21, 2019 | 86.93 | 89.27 | 86.61 | 88.26 | 1668 | NASDAQ | QLYS | Mon, May 20, 2019 | 86.84 | 86.84 | 85.00 | 85.81 | 1667 | NASDAQ | QLYS | Fri, May 17, 2019 | 89.40 | 90.39 | 87.88 | 87.91 | 1666 | NASDAQ | QLYS | Thu, May 16, 2019 | 87.08 | 91.16 | 86.87 | 90.84 | 1665 | NASDAQ | QLYS | Wed, May 15, 2019 | 86.16 | 88.28 | 86.16 | 86.54 | 1664 | NASDAQ | QLYS | Tue, May 14, 2019 | 84.81 | 87.42 | 84.52 | 87.00 | 1663 | NASDAQ | QLYS | Mon, May 13, 2019 | 85.24 | 88.27 | 83.68 | 84.20 | 1662 | NASDAQ | QLYS | Fri, May 10, 2019 | 86.38 | 87.71 | 84.12 | 87.49 | 1661 | NASDAQ | QLYS | Thu, May 9, 2019 | 86.09 | 86.83 | 84.34 | 86.39 | 1660 | NASDAQ | QLYS | Wed, May 8, 2019 | 86.87 | 88.13 | 86.40 | 87.28 | 1659 | NASDAQ | QLYS | Tue, May 7, 2019 | 91.04 | 91.05 | 85.55 | 87.27 | 1658 | NASDAQ | QLYS | Mon, May 6, 2019 | 89.75 | 91.23 | 88.57 | 89.75 | 1657 | NASDAQ | QLYS | Fri, May 3, 2019 | 91.46 | 93.78 | 90.73 | 91.70 | 1656 | NASDAQ | QLYS | Thu, May 2, 2019 | 95.99 | 95.99 | 88.13 | 91.77 | 1655 | NASDAQ | QLYS | Wed, May 1, 2019 | 90.77 | 91.91 | 88.79 | 90.51 | 1654 | NASDAQ | QLYS | Tue, Apr 30, 2019 | 87.64 | 91.16 | 87.64 | 90.26 | 1653 | NASDAQ | QLYS | Mon, Apr 29, 2019 | 88.82 | 90.50 | 87.31 | 87.35 | 1652 | NASDAQ | QLYS | Fri, Apr 26, 2019 | 87.16 | 88.88 | 86.45 | 88.13 | 1651 | NASDAQ | QLYS | Thu, Apr 25, 2019 | 86.00 | 87.99 | 85.67 | 87.26 | 1650 | NASDAQ | QLYS | Wed, Apr 24, 2019 | 85.66 | 86.44 | 84.82 | 85.77 | 1649 | NASDAQ | QLYS | Tue, Apr 23, 2019 | 82.92 | 85.18 | 82.53 | 85.13 | 1648 | NASDAQ | QLYS | Mon, Apr 22, 2019 | 81.09 | 82.92 | 81.00 | 82.73 | 1647 | NASDAQ | QLYS | Thu, Apr 18, 2019 | 80.41 | 81.32 | 78.10 | 81.19 | 1646 | NASDAQ | QLYS | Wed, Apr 17, 2019 | 82.86 | 83.25 | 80.52 | 80.81 | 1645 | NASDAQ | QLYS | Tue, Apr 16, 2019 | 82.47 | 84.00 | 81.43 | 82.00 | 1644 | NASDAQ | QLYS | Mon, Apr 15, 2019 | 82.76 | 84.32 | 82.10 | 82.16 | 1643 | NASDAQ | QLYS | Fri, Apr 12, 2019 | 82.65 | 82.88 | 81.57 | 82.58 | 1642 | NASDAQ | QLYS | Thu, Apr 11, 2019 | 83.10 | 83.64 | 81.98 | 82.17 | 1641 | NASDAQ | QLYS | Wed, Apr 10, 2019 | 81.17 | 83.22 | 80.59 | 82.96 | 1640 | NASDAQ | QLYS | Tue, Apr 9, 2019 | 80.96 | 82.13 | 80.54 | 81.35 | 1639 | NASDAQ | QLYS | Mon, Apr 8, 2019 | 80.71 | 81.66 | 79.73 | 81.40 | 1638 | NASDAQ | QLYS | Fri, Apr 5, 2019 | 80.61 | 81.99 | 80.14 | 80.82 | 1637 | NASDAQ | QLYS | Thu, Apr 4, 2019 | 83.59 | 83.82 | 79.74 | 80.64 | 1636 | NASDAQ | QLYS | Wed, Apr 3, 2019 | 83.88 | 84.70 | 82.94 | 83.75 | 1635 | NASDAQ | QLYS | Tue, Apr 2, 2019 | 82.49 | 83.16 | 81.29 | 82.97 | 1634 | NASDAQ | QLYS | Mon, Apr 1, 2019 | 83.68 | 84.52 | 81.55 | 82.63 | 1633 | NASDAQ | QLYS | Fri, Mar 29, 2019 | 82.04 | 83.39 | 81.60 | 82.74 | 1632 | NASDAQ | QLYS | Thu, Mar 28, 2019 | 80.78 | 82.38 | 80.14 | 81.24 | 1631 | NASDAQ | QLYS | Wed, Mar 27, 2019 | 83.43 | 84.14 | 79.82 | 80.63 | 1630 | NASDAQ | QLYS | Tue, Mar 26, 2019 | 83.74 | 84.44 | 82.68 | 83.49 | 1629 | NASDAQ | QLYS | Mon, Mar 25, 2019 | 82.05 | 83.40 | 81.01 | 82.93 | 1628 | NASDAQ | QLYS | Fri, Mar 22, 2019 | 85.75 | 86.22 | 82.47 | 82.57 | 1627 | NASDAQ | QLYS | Thu, Mar 21, 2019 | 84.41 | 86.41 | 84.25 | 86.18 | 1626 | NASDAQ | QLYS | Wed, Mar 20, 2019 | 86.49 | 86.60 | 83.14 | 84.60 | 1625 | NASDAQ | QLYS | Tue, Mar 19, 2019 | 85.78 | 87.42 | 84.72 | 86.38 | 1624 | NASDAQ | QLYS | Mon, Mar 18, 2019 | 85.29 | 87.03 | 84.13 | 85.03 | 1623 | NASDAQ | QLYS | Fri, Mar 15, 2019 | 84.77 | 86.11 | 84.20 | 85.95 | 1622 | NASDAQ | QLYS | Thu, Mar 14, 2019 | 84.88 | 86.20 | 83.68 | 84.78 | 1621 | NASDAQ | QLYS | Wed, Mar 13, 2019 | 86.39 | 86.67 | 84.34 | 84.58 | 1620 | NASDAQ | QLYS | Tue, Mar 12, 2019 | 86.22 | 86.82 | 85.03 | 85.89 | 1619 | NASDAQ | QLYS | Mon, Mar 11, 2019 | 83.52 | 86.00 | 82.95 | 85.96 | 1618 | NASDAQ | QLYS | Fri, Mar 8, 2019 | 81.66 | 83.61 | 80.90 | 82.86 | 1617 | NASDAQ | QLYS | Thu, Mar 7, 2019 | 82.16 | 83.41 | 81.29 | 82.69 | 1616 | NASDAQ | QLYS | Wed, Mar 6, 2019 | 82.61 | 82.78 | 80.43 | 81.81 | 1615 | NASDAQ | QLYS | Tue, Mar 5, 2019 | 82.49 | 83.02 | 80.70 | 82.21 | 1614 | NASDAQ | QLYS | Mon, Mar 4, 2019 | 85.22 | 85.22 | 80.42 | 82.76 | 1613 | NASDAQ | QLYS | Fri, Mar 1, 2019 | 84.40 | 84.98 | 82.27 | 84.79 | 1612 | NASDAQ | QLYS | Thu, Feb 28, 2019 | 85.51 | 85.51 | 83.51 | 83.63 | 1611 | NASDAQ | QLYS | Wed, Feb 27, 2019 | 83.97 | 85.96 | 83.50 | 85.85 | 1610 | NASDAQ | QLYS | Tue, Feb 26, 2019 | 84.02 | 84.84 | 83.00 | 84.22 | 1609 | NASDAQ | QLYS | Mon, Feb 25, 2019 | 84.91 | 85.61 | 84.04 | 84.08 | 1608 | NASDAQ | QLYS | Fri, Feb 22, 2019 | 84.34 | 84.80 | 83.79 | 84.41 | 1607 | NASDAQ | QLYS | Thu, Feb 21, 2019 | 83.87 | 85.00 | 83.15 | 84.34 | 1606 | NASDAQ | QLYS | Wed, Feb 20, 2019 | 84.26 | 85.20 | 83.18 | 84.00 | 1605 | NASDAQ | QLYS | Tue, Feb 19, 2019 | 80.59 | 84.62 | 80.36 | 83.98 | 1604 | NASDAQ | QLYS | Fri, Feb 15, 2019 | 82.08 | 82.08 | 79.44 | 80.69 | 1603 | NASDAQ | QLYS | Thu, Feb 14, 2019 | 82.20 | 83.23 | 80.37 | 81.26 | 1602 | NASDAQ | QLYS | Wed, Feb 13, 2019 | 80.76 | 85.80 | 80.26 | 82.31 | 1601 | NASDAQ | QLYS | Tue, Feb 12, 2019 | 95.61 | 97.12 | 95.20 | 96.41 | 1600 | NASDAQ | QLYS | Mon, Feb 11, 2019 | 94.37 | 95.97 | 93.80 | 94.74 | 1599 | NASDAQ | QLYS | Fri, Feb 8, 2019 | 91.11 | 94.78 | 91.00 | 94.45 | 1598 | NASDAQ | QLYS | Thu, Feb 7, 2019 | 92.39 | 92.62 | 90.46 | 91.80 | 1597 | NASDAQ | QLYS | Wed, Feb 6, 2019 | 92.80 | 93.42 | 91.47 | 93.30 | 1596 | NASDAQ | QLYS | Tue, Feb 5, 2019 | 91.71 | 93.62 | 91.16 | 92.58 | 1595 | NASDAQ | QLYS | Mon, Feb 4, 2019 | 88.69 | 92.06 | 88.69 | 91.48 | 1594 | NASDAQ | QLYS | Fri, Feb 1, 2019 | 86.41 | 89.26 | 86.28 | 88.59 | 1593 | NASDAQ | QLYS | Thu, Jan 31, 2019 | 83.43 | 87.31 | 83.43 | 86.53 | 1592 | NASDAQ | QLYS | Wed, Jan 30, 2019 | 83.14 | 83.92 | 81.76 | 83.91 | 1591 | NASDAQ | QLYS | Tue, Jan 29, 2019 | 82.29 | 83.20 | 81.72 | 82.26 | 1590 | NASDAQ | QLYS | Mon, Jan 28, 2019 | 80.99 | 82.28 | 80.48 | 82.28 | 1589 | NASDAQ | QLYS | Fri, Jan 25, 2019 | 81.49 | 82.84 | 80.30 | 81.99 | 1588 | NASDAQ | QLYS | Thu, Jan 24, 2019 | 80.50 | 81.04 | 79.01 | 80.66 | 1587 | NASDAQ | QLYS | Wed, Jan 23, 2019 | 81.66 | 82.78 | 79.35 | 80.49 | 1586 | NASDAQ | QLYS | Tue, Jan 22, 2019 | 79.41 | 81.20 | 79.10 | 81.15 | 1585 | NASDAQ | QLYS | Fri, Jan 18, 2019 | 79.66 | 81.41 | 79.35 | 79.98 | 1584 | NASDAQ | QLYS | Thu, Jan 17, 2019 | 77.42 | 79.99 | 77.29 | 79.26 | 1583 | NASDAQ | QLYS | Wed, Jan 16, 2019 | 78.87 | 79.25 | 76.49 | 77.79 | 1582 | NASDAQ | QLYS | Tue, Jan 15, 2019 | 76.57 | 79.12 | 74.75 | 78.65 | 1581 | NASDAQ | QLYS | Mon, Jan 14, 2019 | 77.12 | 78.31 | 74.54 | 76.77 | 1580 | NASDAQ | QLYS | Fri, Jan 11, 2019 | 77.88 | 79.41 | 76.88 | 78.46 | 1579 | NASDAQ | QLYS | Thu, Jan 10, 2019 | 78.20 | 78.53 | 75.99 | 78.26 | 1578 | NASDAQ | QLYS | Wed, Jan 9, 2019 | 77.16 | 79.04 | 77.04 | 78.81 | 1577 | NASDAQ | QLYS | Tue, Jan 8, 2019 | 75.37 | 76.72 | 73.37 | 76.68 | 1576 | NASDAQ | QLYS | Mon, Jan 7, 2019 | 74.45 | 76.00 | 73.77 | 74.33 | 1575 | NASDAQ | QLYS | Fri, Jan 4, 2019 | 71.94 | 75.09 | 70.92 | 74.32 | 1574 | NASDAQ | QLYS | Thu, Jan 3, 2019 | 72.99 | 73.46 | 69.35 | 69.55 | 1573 | NASDAQ | QLYS | Wed, Jan 2, 2019 | 73.18 | 74.68 | 72.50 | 74.08 | 1572 | NASDAQ | QLYS | Mon, Dec 31, 2018 | 75.77 | 76.86 | 74.26 | 74.74 | 1571 | NASDAQ | QLYS | Fri, Dec 28, 2018 | 76.06 | 77.04 | 73.28 | 75.09 | 1570 | NASDAQ | QLYS | Thu, Dec 27, 2018 | 71.97 | 75.60 | 71.71 | 75.59 | 1569 | NASDAQ | QLYS | Wed, Dec 26, 2018 | 68.75 | 73.82 | 68.36 | 73.62 | 1568 | NASDAQ | QLYS | Mon, Dec 24, 2018 | 66.82 | 69.72 | 65.94 | 67.97 | 1567 | NASDAQ | QLYS | Fri, Dec 21, 2018 | 71.40 | 71.40 | 67.01 | 67.88 | 1566 | NASDAQ | QLYS | Thu, Dec 20, 2018 | 72.69 | 74.61 | 68.08 | 70.78 | 1565 | NASDAQ | QLYS | Wed, Dec 19, 2018 | 74.25 | 76.29 | 72.27 | 72.83 | 1564 | NASDAQ | QLYS | Tue, Dec 18, 2018 | 71.79 | 75.67 | 71.64 | 74.27 | 1563 | NASDAQ | QLYS | Mon, Dec 17, 2018 | 79.21 | 79.93 | 70.35 | 71.26 | 1562 | NASDAQ | QLYS | Fri, Dec 14, 2018 | 80.51 | 82.99 | 79.68 | 79.94 | 1561 | NASDAQ | QLYS | Thu, Dec 13, 2018 | 81.78 | 81.78 | 79.41 | 81.62 | 1560 | NASDAQ | QLYS | Wed, Dec 12, 2018 | 78.82 | 81.74 | 78.01 | 81.09 | 1559 | NASDAQ | QLYS | Tue, Dec 11, 2018 | 79.13 | 79.72 | 77.35 | 77.46 | 1558 | NASDAQ | QLYS | Mon, Dec 10, 2018 | 75.36 | 78.33 | 75.29 | 77.52 | 1557 | NASDAQ | QLYS | Fri, Dec 7, 2018 | 78.02 | 78.25 | 74.60 | 75.65 | 1556 | NASDAQ | QLYS | Thu, Dec 6, 2018 | 74.35 | 78.40 | 73.50 | 78.29 | 1555 | NASDAQ | QLYS | Tue, Dec 4, 2018 | 80.97 | 81.31 | 75.64 | 76.53 | 1554 | NASDAQ | QLYS | Mon, Dec 3, 2018 | 80.68 | 82.53 | 79.72 | 81.39 | 1553 | NASDAQ | QLYS | Fri, Nov 30, 2018 | 76.97 | 79.53 | 76.45 | 78.76 | 1552 | NASDAQ | QLYS | Thu, Nov 29, 2018 | 76.87 | 77.98 | 75.61 | 77.17 | 1551 | NASDAQ | QLYS | Wed, Nov 28, 2018 | 73.71 | 77.22 | 73.71 | 76.90 | 1550 | NASDAQ | QLYS | Tue, Nov 27, 2018 | 73.46 | 75.12 | 73.11 | 73.49 | 1549 | NASDAQ | QLYS | Mon, Nov 26, 2018 | 73.56 | 75.07 | 71.83 | 74.43 | 1548 | NASDAQ | QLYS | Fri, Nov 23, 2018 | 71.15 | 74.06 | 70.67 | 72.51 | 1547 | NASDAQ | QLYS | Wed, Nov 21, 2018 | 72.37 | 74.09 | 70.79 | 72.00 | 1546 | NASDAQ | QLYS | Tue, Nov 20, 2018 | 69.19 | 72.96 | 66.59 | 70.89 | 1545 | NASDAQ | QLYS | Mon, Nov 19, 2018 | 74.54 | 74.96 | 68.81 | 69.21 | 1544 | NASDAQ | QLYS | Fri, Nov 16, 2018 | 73.65 | 75.21 | 73.00 | 74.69 | 1543 | NASDAQ | QLYS | Thu, Nov 15, 2018 | 71.38 | 75.33 | 71.38 | 74.49 | 1542 | NASDAQ | QLYS | Wed, Nov 14, 2018 | 72.97 | 74.08 | 71.77 | 71.83 | 1541 | NASDAQ | QLYS | Tue, Nov 13, 2018 | 72.25 | 74.37 | 71.76 | 72.10 | 1540 | NASDAQ | QLYS | Mon, Nov 12, 2018 | 74.13 | 74.13 | 70.73 | 72.15 | 1539 | NASDAQ | QLYS | Fri, Nov 9, 2018 | 76.20 | 77.18 | 73.14 | 74.53 | 1538 | NASDAQ | QLYS | Thu, Nov 8, 2018 | 76.34 | 77.11 | 73.50 | 76.63 | 1537 | NASDAQ | QLYS | Wed, Nov 7, 2018 | 73.50 | 77.28 | 73.50 | 76.35 | 1536 | NASDAQ | QLYS | Tue, Nov 6, 2018 | 72.39 | 74.61 | 72.39 | 72.61 | 1535 | NASDAQ | QLYS | Mon, Nov 5, 2018 | 74.66 | 74.83 | 70.95 | 72.85 | 1534 | NASDAQ | QLYS | Fri, Nov 2, 2018 | 74.78 | 76.21 | 73.97 | 74.83 | 1533 | NASDAQ | QLYS | Thu, Nov 1, 2018 | 72.26 | 74.78 | 69.55 | 74.55 | 1532 | NASDAQ | QLYS | Wed, Oct 31, 2018 | 74.90 | 75.89 | 70.85 | 71.24 | 1531 | NASDAQ | QLYS | Tue, Oct 30, 2018 | 73.57 | 77.00 | 72.62 | 76.23 | 1530 | NASDAQ | QLYS | Mon, Oct 29, 2018 | 75.42 | 77.00 | 71.78 | 73.11 | 1529 | NASDAQ | QLYS | Fri, Oct 26, 2018 | 73.72 | 75.76 | 72.65 | 73.95 | 1528 | NASDAQ | QLYS | Thu, Oct 25, 2018 | 73.83 | 76.57 | 73.56 | 76.21 | 1527 | NASDAQ | QLYS | Wed, Oct 24, 2018 | 77.72 | 78.22 | 73.04 | 73.10 | 1526 | NASDAQ | QLYS | Tue, Oct 23, 2018 | 75.43 | 78.38 | 75.33 | 77.70 | 1525 | NASDAQ | QLYS | Mon, Oct 22, 2018 | 75.25 | 78.47 | 74.46 | 77.11 | 1524 | NASDAQ | QLYS | Fri, Oct 19, 2018 | 74.75 | 75.80 | 73.51 | 74.40 | 1523 | NASDAQ | QLYS | Thu, Oct 18, 2018 | 75.11 | 75.82 | 72.98 | 74.10 | 1522 | NASDAQ | QLYS | Wed, Oct 17, 2018 | 75.64 | 76.08 | 74.03 | 75.61 | 1521 | NASDAQ | QLYS | Tue, Oct 16, 2018 | 73.30 | 76.10 | 72.74 | 75.68 | 1520 | NASDAQ | QLYS | Mon, Oct 15, 2018 | 73.30 | 73.75 | 71.28 | 72.40 | 1519 | NASDAQ | QLYS | Fri, Oct 12, 2018 | 72.46 | 74.62 | 71.52 | 73.56 | 1518 | NASDAQ | QLYS | Thu, Oct 11, 2018 | 71.08 | 73.51 | 70.69 | 70.70 | 1517 | NASDAQ | QLYS | Wed, Oct 10, 2018 | 75.62 | 76.43 | 71.33 | 71.52 | 1516 | NASDAQ | QLYS | Tue, Oct 9, 2018 | 77.25 | 79.27 | 74.21 | 75.49 | 1515 | NASDAQ | QLYS | Mon, Oct 8, 2018 | 81.30 | 81.30 | 76.38 | 77.60 | 1514 | NASDAQ | QLYS | Fri, Oct 5, 2018 | 83.80 | 85.07 | 81.25 | 81.97 | 1513 | NASDAQ | QLYS | Thu, Oct 4, 2018 | 85.39 | 85.85 | 83.36 | 83.47 | 1512 | NASDAQ | QLYS | Wed, Oct 3, 2018 | 84.00 | 86.05 | 83.66 | 85.63 | 1511 | NASDAQ | QLYS | Tue, Oct 2, 2018 | 85.95 | 85.95 | 83.65 | 84.17 | 1510 | NASDAQ | QLYS | Mon, Oct 1, 2018 | 89.35 | 89.35 | 85.56 | 86.05 | 1509 | NASDAQ | QLYS | Fri, Sep 28, 2018 | 88.35 | 89.75 | 88.35 | 89.10 | 1508 | NASDAQ | QLYS | Thu, Sep 27, 2018 | 87.60 | 89.30 | 87.60 | 88.55 | 1507 | NASDAQ | QLYS | Wed, Sep 26, 2018 | 90.50 | 90.75 | 87.40 | 87.50 | 1506 | NASDAQ | QLYS | Tue, Sep 25, 2018 | 87.75 | 90.35 | 87.50 | 89.85 | 1505 | NASDAQ | QLYS | Mon, Sep 24, 2018 | 86.80 | 88.37 | 85.65 | 87.70 | 1504 | NASDAQ | QLYS | Fri, Sep 21, 2018 | 87.40 | 88.05 | 85.70 | 86.80 | 1503 | NASDAQ | QLYS | Thu, Sep 20, 2018 | 88.05 | 88.50 | 86.25 | 87.35 | 1502 | NASDAQ | QLYS | Wed, Sep 19, 2018 | 91.15 | 91.75 | 87.40 | 87.95 | 1501 | NASDAQ | QLYS | Tue, Sep 18, 2018 | 90.35 | 91.30 | 89.80 | 90.95 | 1500 | NASDAQ | QLYS | Mon, Sep 17, 2018 | 94.10 | 94.40 | 89.80 | 90.40 | 1499 | NASDAQ | QLYS | Fri, Sep 14, 2018 | 94.75 | 95.85 | 93.65 | 94.60 | 1498 | NASDAQ | QLYS | Thu, Sep 13, 2018 | 96.00 | 96.70 | 94.10 | 94.85 | 1497 | NASDAQ | QLYS | Wed, Sep 12, 2018 | 94.00 | 95.80 | 92.50 | 95.35 | 1496 | NASDAQ | QLYS | Tue, Sep 11, 2018 | 92.75 | 94.75 | 92.50 | 94.20 | 1495 | NASDAQ | QLYS | Mon, Sep 10, 2018 | 91.05 | 93.10 | 90.50 | 92.60 | 1494 | NASDAQ | QLYS | Fri, Sep 7, 2018 | 89.50 | 92.75 | 87.60 | 90.55 | 1493 | NASDAQ | QLYS | Thu, Sep 6, 2018 | 89.00 | 90.30 | 87.65 | 89.70 | 1492 | NASDAQ | QLYS | Wed, Sep 5, 2018 | 92.10 | 92.10 | 86.90 | 88.65 | 1491 | NASDAQ | QLYS | Tue, Sep 4, 2018 | 90.80 | 92.35 | 88.90 | 92.15 | 1490 | NASDAQ | QLYS | Fri, Aug 31, 2018 | 89.00 | 91.11 | 88.05 | 91.05 | 1489 | NASDAQ | QLYS | Thu, Aug 30, 2018 | 90.25 | 90.90 | 88.75 | 89.05 | 1488 | NASDAQ | QLYS | Wed, Aug 29, 2018 | 91.55 | 93.60 | 91.00 | 91.00 | 1487 | NASDAQ | QLYS | Tue, Aug 28, 2018 | 91.75 | 92.10 | 90.63 | 91.50 | 1486 | NASDAQ | QLYS | Mon, Aug 27, 2018 | 91.05 | 91.75 | 90.00 | 91.25 | 1485 | NASDAQ | QLYS | Fri, Aug 24, 2018 | 87.45 | 90.15 | 87.45 | 90.05 | 1484 | NASDAQ | QLYS | Thu, Aug 23, 2018 | 88.98 | 89.85 | 87.15 | 87.40 | 1483 | NASDAQ | QLYS | Wed, Aug 22, 2018 | 85.00 | 87.40 | 85.00 | 87.30 | 1482 | NASDAQ | QLYS | Tue, Aug 21, 2018 | 86.25 | 87.00 | 84.85 | 85.10 | 1481 | NASDAQ | QLYS | Mon, Aug 20, 2018 | 86.25 | 86.85 | 85.70 | 85.80 | 1480 | NASDAQ | QLYS | Fri, Aug 17, 2018 | 85.50 | 86.05 | 83.95 | 85.75 | 1479 | NASDAQ | QLYS | Thu, Aug 16, 2018 | 84.85 | 86.25 | 84.45 | 85.75 | 1478 | NASDAQ | QLYS | Wed, Aug 15, 2018 | 85.00 | 85.95 | 82.91 | 84.50 | 1477 | NASDAQ | QLYS | Tue, Aug 14, 2018 | 85.75 | 86.30 | 84.10 | 85.70 | 1476 | NASDAQ | QLYS | Mon, Aug 13, 2018 | 88.20 | 88.52 | 85.25 | 85.50 | 1475 | NASDAQ | QLYS | Fri, Aug 10, 2018 | 88.00 | 88.75 | 86.78 | 88.00 | 1474 | NASDAQ | QLYS | Thu, Aug 9, 2018 | 88.05 | 90.20 | 87.75 | 88.45 | 1473 | NASDAQ | QLYS | Wed, Aug 8, 2018 | 88.20 | 89.60 | 87.35 | 88.25 | 1472 | NASDAQ | QLYS | Tue, Aug 7, 2018 | 88.00 | 89.53 | 86.50 | 88.05 | 1471 | NASDAQ | QLYS | Mon, Aug 6, 2018 | 85.30 | 87.53 | 85.30 | 87.50 | 1470 | NASDAQ | QLYS | Fri, Aug 3, 2018 | 86.15 | 87.05 | 83.20 | 85.15 | 1469 | NASDAQ | QLYS | Thu, Aug 2, 2018 | 84.00 | 86.25 | 84.00 | 86.15 | 1468 | NASDAQ | QLYS | Wed, Aug 1, 2018 | 89.10 | 93.05 | 83.75 | 85.05 | 1467 | NASDAQ | QLYS | Tue, Jul 31, 2018 | 88.50 | 90.30 | 86.80 | 87.10 | 1466 | NASDAQ | QLYS | Mon, Jul 30, 2018 | 90.40 | 92.33 | 86.05 | 88.30 | 1465 | NASDAQ | QLYS | Fri, Jul 27, 2018 | 95.10 | 95.58 | 88.35 | 90.45 | 1464 | NASDAQ | QLYS | Thu, Jul 26, 2018 | 96.05 | 97.15 | 93.95 | 95.10 | 1463 | NASDAQ | QLYS | Wed, Jul 25, 2018 | 93.65 | 96.85 | 93.65 | 96.80 | 1462 | NASDAQ | QLYS | Tue, Jul 24, 2018 | 97.90 | 98.30 | 92.70 | 93.60 | 1461 | NASDAQ | QLYS | Mon, Jul 23, 2018 | 96.75 | 97.35 | 94.80 | 97.05 | 1460 | NASDAQ | QLYS | Fri, Jul 20, 2018 | 96.75 | 97.73 | 96.10 | 97.05 | 1459 | NASDAQ | QLYS | Thu, Jul 19, 2018 | 95.85 | 97.05 | 95.54 | 96.35 | 1458 | NASDAQ | QLYS | Wed, Jul 18, 2018 | 94.40 | 96.10 | 93.45 | 95.95 | 1457 | NASDAQ | QLYS | Tue, Jul 17, 2018 | 92.35 | 95.15 | 92.15 | 94.70 | 1456 | NASDAQ | QLYS | Mon, Jul 16, 2018 | 93.15 | 94.20 | 92.10 | 92.75 | 1455 | NASDAQ | QLYS | Fri, Jul 13, 2018 | 94.45 | 95.05 | 93.05 | 93.35 | 1454 | NASDAQ | QLYS | Thu, Jul 12, 2018 | 91.20 | 95.45 | 91.20 | 94.40 | 1453 | NASDAQ | QLYS | Wed, Jul 11, 2018 | 88.75 | 91.20 | 88.60 | 90.60 | 1452 | NASDAQ | QLYS | Tue, Jul 10, 2018 | 89.60 | 90.65 | 88.70 | 89.10 | 1451 | NASDAQ | QLYS | Mon, Jul 9, 2018 | 91.10 | 91.58 | 87.30 | 89.20 | 1450 | NASDAQ | QLYS | Fri, Jul 6, 2018 | 88.30 | 89.75 | 87.63 | 89.30 | 1449 | NASDAQ | QLYS | Thu, Jul 5, 2018 | 87.30 | 88.25 | 86.25 | 88.05 | 1448 | NASDAQ | QLYS | Tue, Jul 3, 2018 | 86.25 | 86.73 | 85.00 | 86.50 | 1447 | NASDAQ | QLYS | Mon, Jul 2, 2018 | 84.05 | 85.95 | 83.05 | 85.90 | 1446 | NASDAQ | QLYS | Fri, Jun 29, 2018 | 85.20 | 86.45 | 84.25 | 84.30 | 1445 | NASDAQ | QLYS | Thu, Jun 28, 2018 | 83.55 | 86.20 | 82.51 | 85.00 | 1444 | NASDAQ | QLYS | Wed, Jun 27, 2018 | 89.25 | 89.85 | 83.25 | 83.45 | 1443 | NASDAQ | QLYS | Tue, Jun 26, 2018 | 87.20 | 89.75 | 86.60 | 88.70 | 1442 | NASDAQ | QLYS | Mon, Jun 25, 2018 | 87.85 | 88.65 | 85.25 | 87.10 | 1441 | NASDAQ | QLYS | Fri, Jun 22, 2018 | 94.85 | 94.85 | 88.30 | 88.80 | 1440 | NASDAQ | QLYS | Thu, Jun 21, 2018 | 96.05 | 96.28 | 93.60 | 94.80 | 1439 | NASDAQ | QLYS | Wed, Jun 20, 2018 | 97.05 | 97.25 | 95.70 | 95.90 | 1438 | NASDAQ | QLYS | Tue, Jun 19, 2018 | 96.25 | 97.00 | 94.55 | 96.20 | 1437 | NASDAQ | QLYS | Mon, Jun 18, 2018 | 95.25 | 97.35 | 94.90 | 97.05 | 1436 | NASDAQ | QLYS | Fri, Jun 15, 2018 | 93.95 | 95.95 | 92.25 | 95.50 | 1435 | NASDAQ | QLYS | Thu, Jun 14, 2018 | 89.00 | 97.75 | 88.75 | 94.80 | 1434 | NASDAQ | QLYS | Wed, Jun 13, 2018 | 88.90 | 90.00 | 88.45 | 89.10 | 1433 | NASDAQ | QLYS | Tue, Jun 12, 2018 | 86.20 | 88.90 | 86.20 | 88.60 | 1432 | NASDAQ | QLYS | Mon, Jun 11, 2018 | 83.40 | 86.00 | 83.38 | 85.45 | 1431 | NASDAQ | QLYS | Fri, Jun 8, 2018 | 79.20 | 82.00 | 79.18 | 81.75 | 1430 | NASDAQ | QLYS | Thu, Jun 7, 2018 | 80.70 | 81.20 | 77.80 | 79.40 | 1429 | NASDAQ | QLYS | Wed, Jun 6, 2018 | 81.00 | 81.45 | 79.72 | 80.65 | 1428 | NASDAQ | QLYS | Tue, Jun 5, 2018 | 80.20 | 81.55 | 80.15 | 80.85 | 1427 | NASDAQ | QLYS | Mon, Jun 4, 2018 | 78.50 | 79.90 | 76.85 | 79.85 | 1426 | NASDAQ | QLYS | Fri, Jun 1, 2018 | 77.55 | 78.60 | 77.20 | 78.10 | 1425 | NASDAQ | QLYS | Thu, May 31, 2018 | 78.15 | 78.95 | 76.55 | 76.95 | 1424 | NASDAQ | QLYS | Wed, May 30, 2018 | 76.75 | 78.90 | 76.75 | 78.10 | 1423 | NASDAQ | QLYS | Tue, May 29, 2018 | 74.45 | 76.75 | 73.75 | 76.70 | 1422 | NASDAQ | QLYS | Fri, May 25, 2018 | 74.85 | 75.50 | 74.30 | 74.60 | 1421 | NASDAQ | QLYS | Thu, May 24, 2018 | 73.60 | 75.35 | 73.60 | 75.10 | 1420 | NASDAQ | QLYS | Wed, May 23, 2018 | 71.05 | 73.70 | 71.05 | 73.60 | 1419 | NASDAQ | QLYS | Tue, May 22, 2018 | 76.90 | 76.90 | 72.95 | 73.05 | 1418 | NASDAQ | QLYS | Mon, May 21, 2018 | 78.00 | 78.35 | 76.16 | 76.50 | 1417 | NASDAQ | QLYS | Fri, May 18, 2018 | 77.15 | 77.85 | 76.90 | 77.30 | 1416 | NASDAQ | QLYS | Thu, May 17, 2018 | 76.50 | 77.45 | 76.13 | 76.95 | 1415 | NASDAQ | QLYS | Wed, May 16, 2018 | 76.40 | 77.55 | 76.15 | 76.55 | 1414 | NASDAQ | QLYS | Tue, May 15, 2018 | 75.35 | 76.45 | 74.35 | 76.40 | 1413 | NASDAQ | QLYS | Mon, May 14, 2018 | 77.60 | 77.73 | 75.10 | 75.60 | 1412 | NASDAQ | QLYS | Fri, May 11, 2018 | 78.35 | 79.00 | 77.05 | 77.30 | 1411 | NASDAQ | QLYS | Thu, May 10, 2018 | 77.80 | 78.76 | 77.58 | 78.60 | 1410 | NASDAQ | QLYS | Wed, May 9, 2018 | 78.15 | 78.35 | 76.60 | 77.50 | 1409 | NASDAQ | QLYS | Tue, May 8, 2018 | 75.65 | 78.05 | 75.48 | 77.75 | 1408 | NASDAQ | QLYS | Mon, May 7, 2018 | 74.50 | 76.50 | 73.75 | 75.95 | 1407 | NASDAQ | QLYS | Fri, May 4, 2018 | 73.65 | 75.00 | 73.10 | 74.30 | 1406 | NASDAQ | QLYS | Thu, May 3, 2018 | 74.20 | 75.95 | 72.65 | 73.95 | 1405 | NASDAQ | QLYS | Wed, May 2, 2018 | 70.05 | 75.40 | 68.20 | 75.03 | 1404 | NASDAQ | QLYS | Tue, May 1, 2018 | 76.55 | 77.55 | 75.30 | 77.30 | 1403 | NASDAQ | QLYS | Mon, Apr 30, 2018 | 78.30 | 79.25 | 76.85 | 76.95 | 1402 | NASDAQ | QLYS | Fri, Apr 27, 2018 | 79.25 | 79.55 | 76.75 | 78.05 | 1401 | NASDAQ | QLYS | Thu, Apr 26, 2018 | 77.75 | 79.80 | 77.30 | 78.85 | 1400 | NASDAQ | QLYS | Wed, Apr 25, 2018 | 79.00 | 80.45 | 74.70 | 77.20 | 1399 | NASDAQ | QLYS | Tue, Apr 24, 2018 | 82.35 | 83.00 | 78.55 | 79.00 | 1398 | NASDAQ | QLYS | Mon, Apr 23, 2018 | 82.30 | 82.95 | 81.25 | 81.30 | 1397 | NASDAQ | QLYS | Fri, Apr 20, 2018 | 82.45 | 83.05 | 81.45 | 81.55 | 1396 | NASDAQ | QLYS | Thu, Apr 19, 2018 | 84.50 | 84.95 | 82.35 | 82.75 | 1395 | NASDAQ | QLYS | Wed, Apr 18, 2018 | 83.75 | 85.00 | 82.68 | 84.45 | 1394 | NASDAQ | QLYS | Tue, Apr 17, 2018 | 79.15 | 83.30 | 79.15 | 82.85 | 1393 | NASDAQ | QLYS | Mon, Apr 16, 2018 | 77.60 | 78.90 | 77.20 | 78.35 | 1392 | NASDAQ | QLYS | Fri, Apr 13, 2018 | 78.25 | 78.25 | 76.35 | 76.95 | 1391 | NASDAQ | QLYS | Thu, Apr 12, 2018 | 77.70 | 78.15 | 77.35 | 77.70 | 1390 | NASDAQ | QLYS | Wed, Apr 11, 2018 | 76.00 | 77.85 | 75.77 | 77.50 | 1389 | NASDAQ | QLYS | Tue, Apr 10, 2018 | 74.95 | 76.50 | 74.30 | 76.10 | 1388 | NASDAQ | QLYS | Mon, Apr 9, 2018 | 74.50 | 75.10 | 74.05 | 74.35 | 1387 | NASDAQ | QLYS | Fri, Apr 6, 2018 | 75.55 | 76.60 | 73.45 | 74.05 | 1386 | NASDAQ | QLYS | Thu, Apr 5, 2018 | 75.60 | 76.30 | 75.05 | 76.05 | 1385 | NASDAQ | QLYS | Wed, Apr 4, 2018 | 71.85 | 75.50 | 71.20 | 74.90 | 1384 | NASDAQ | QLYS | Tue, Apr 3, 2018 | 72.20 | 73.33 | 71.75 | 73.10 | 1383 | NASDAQ | QLYS | Mon, Apr 2, 2018 | 72.75 | 76.93 | 71.20 | 71.85 | 1382 | NASDAQ | QLYS | Thu, Mar 29, 2018 | 71.80 | 73.95 | 71.05 | 72.75 | 1381 | NASDAQ | QLYS | Wed, Mar 28, 2018 | 72.70 | 72.70 | 70.85 | 71.15 | 1380 | NASDAQ | QLYS | Tue, Mar 27, 2018 | 75.65 | 76.00 | 72.30 | 72.80 | 1379 | NASDAQ | QLYS | Mon, Mar 26, 2018 | 74.45 | 75.40 | 73.80 | 75.15 | 1378 | NASDAQ | QLYS | Fri, Mar 23, 2018 | 75.00 | 75.20 | 73.00 | 73.10 | 1377 | NASDAQ | QLYS | Thu, Mar 22, 2018 | 76.20 | 77.43 | 74.45 | 74.55 | 1376 | NASDAQ | QLYS | Wed, Mar 21, 2018 | 76.65 | 77.75 | 76.15 | 76.85 | 1375 | NASDAQ | QLYS | Tue, Mar 20, 2018 | 74.90 | 77.25 | 74.35 | 76.65 | 1374 | NASDAQ | QLYS | Mon, Mar 19, 2018 | 73.95 | 75.20 | 73.10 | 74.80 | 1373 | NASDAQ | QLYS | Fri, Mar 16, 2018 | 76.45 | 77.15 | 74.40 | 74.45 | 1372 | NASDAQ | QLYS | Thu, Mar 15, 2018 | 77.50 | 77.66 | 76.00 | 76.30 | 1371 | NASDAQ | QLYS | Wed, Mar 14, 2018 | 77.35 | 78.00 | 76.85 | 77.10 | 1370 | NASDAQ | QLYS | Tue, Mar 13, 2018 | 78.40 | 78.83 | 76.95 | 77.25 | 1369 | NASDAQ | QLYS | Mon, Mar 12, 2018 | 78.85 | 78.90 | 78.00 | 78.30 | 1368 | NASDAQ | QLYS | Fri, Mar 9, 2018 | 78.35 | 79.40 | 77.85 | 78.45 | 1367 | NASDAQ | QLYS | Thu, Mar 8, 2018 | 78.05 | 78.40 | 77.00 | 77.70 | 1366 | NASDAQ | QLYS | Wed, Mar 7, 2018 | 76.80 | 78.05 | 76.78 | 77.60 | 1365 | NASDAQ | QLYS | Tue, Mar 6, 2018 | 78.10 | 78.70 | 76.90 | 77.35 | 1364 | NASDAQ | QLYS | Mon, Mar 5, 2018 | 77.35 | 78.50 | 77.05 | 77.60 | 1363 | NASDAQ | QLYS | Fri, Mar 2, 2018 | 74.20 | 77.80 | 73.75 | 77.50 | 1362 | NASDAQ | QLYS | Thu, Mar 1, 2018 | 74.40 | 75.85 | 72.80 | 74.80 | 1361 | NASDAQ | QLYS | Wed, Feb 28, 2018 | 76.35 | 76.85 | 74.05 | 74.05 | 1360 | NASDAQ | QLYS | Tue, Feb 27, 2018 | 76.80 | 77.10 | 76.10 | 76.35 | 1359 | NASDAQ | QLYS | Mon, Feb 26, 2018 | 75.20 | 76.95 | 75.05 | 76.25 | 1358 | NASDAQ | QLYS | Fri, Feb 23, 2018 | 73.50 | 75.50 | 73.45 | 75.20 | 1357 | NASDAQ | QLYS | Thu, Feb 22, 2018 | 72.70 | 73.30 | 71.85 | 73.15 | 1356 | NASDAQ | QLYS | Wed, Feb 21, 2018 | 72.20 | 73.80 | 72.10 | 72.15 | 1355 | NASDAQ | QLYS | Tue, Feb 20, 2018 | 71.35 | 73.40 | 71.35 | 72.25 | 1354 | NASDAQ | QLYS | Fri, Feb 16, 2018 | 71.20 | 72.95 | 70.70 | 72.25 | 1353 | NASDAQ | QLYS | Thu, Feb 15, 2018 | 68.50 | 72.10 | 68.05 | 71.20 | 1352 | NASDAQ | QLYS | Wed, Feb 14, 2018 | 66.60 | 68.10 | 66.10 | 67.95 | 1351 | NASDAQ | QLYS | Tue, Feb 13, 2018 | 65.00 | 67.95 | 61.70 | 67.30 | 1350 | NASDAQ | QLYS | Mon, Feb 12, 2018 | 60.05 | 63.40 | 59.75 | 62.60 | 1349 | NASDAQ | QLYS | Fri, Feb 9, 2018 | 58.95 | 60.40 | 57.20 | 59.90 | 1348 | NASDAQ | QLYS | Thu, Feb 8, 2018 | 60.25 | 60.25 | 58.25 | 58.30 | 1347 | NASDAQ | QLYS | Wed, Feb 7, 2018 | 59.85 | 60.55 | 59.40 | 59.95 | 1346 | NASDAQ | QLYS | Tue, Feb 6, 2018 | 59.25 | 60.40 | 57.50 | 60.20 | 1345 | NASDAQ | QLYS | Mon, Feb 5, 2018 | 61.60 | 62.45 | 59.90 | 59.95 | 1344 | NASDAQ | QLYS | Fri, Feb 2, 2018 | 62.80 | 62.95 | 61.85 | 62.15 | 1343 | NASDAQ | QLYS | Thu, Feb 1, 2018 | 62.30 | 63.10 | 62.25 | 63.00 | 1342 | NASDAQ | QLYS | Wed, Jan 31, 2018 | 63.25 | 63.60 | 62.41 | 62.50 | 1341 | NASDAQ | QLYS | Tue, Jan 30, 2018 | 63.00 | 63.80 | 62.65 | 62.80 | 1340 | NASDAQ | QLYS | Mon, Jan 29, 2018 | 64.20 | 64.35 | 63.35 | 63.70 | 1339 | NASDAQ | QLYS | Fri, Jan 26, 2018 | 64.05 | 65.05 | 64.05 | 64.30 | 1338 | NASDAQ | QLYS | Thu, Jan 25, 2018 | 63.75 | 64.00 | 63.20 | 63.70 | 1337 | NASDAQ | QLYS | Wed, Jan 24, 2018 | 64.45 | 64.45 | 62.95 | 63.35 | 1336 | NASDAQ | QLYS | Tue, Jan 23, 2018 | 64.75 | 65.10 | 64.30 | 64.45 | 1335 | NASDAQ | QLYS | Mon, Jan 22, 2018 | 64.40 | 64.85 | 63.75 | 64.80 | 1334 | NASDAQ | QLYS | Fri, Jan 19, 2018 | 64.15 | 64.65 | 64.15 | 64.35 | 1333 | NASDAQ | QLYS | Thu, Jan 18, 2018 | 64.85 | 65.15 | 64.00 | 64.10 | 1332 | NASDAQ | QLYS | Wed, Jan 17, 2018 | 64.05 | 64.90 | 63.48 | 64.75 | 1331 | NASDAQ | QLYS | Tue, Jan 16, 2018 | 64.35 | 65.25 | 63.50 | 63.60 | 1330 | NASDAQ | QLYS | Fri, Jan 12, 2018 | 63.85 | 63.95 | 63.00 | 63.90 | 1329 | NASDAQ | QLYS | Thu, Jan 11, 2018 | 62.60 | 63.75 | 62.03 | 63.70 | 1328 | NASDAQ | QLYS | Wed, Jan 10, 2018 | 62.70 | 63.15 | 61.90 | 62.55 | 1327 | NASDAQ | QLYS | Tue, Jan 9, 2018 | 64.25 | 64.25 | 62.90 | 62.95 | 1326 | NASDAQ | QLYS | Mon, Jan 8, 2018 | 63.15 | 64.40 | 62.75 | 64.20 | 1325 | NASDAQ | QLYS | Fri, Jan 5, 2018 | 63.00 | 64.00 | 61.80 | 63.15 | 1324 | NASDAQ | QLYS | Thu, Jan 4, 2018 | 62.15 | 63.20 | 62.15 | 62.90 | 1323 | NASDAQ | QLYS | Wed, Jan 3, 2018 | 61.50 | 61.93 | 61.05 | 61.80 | 1322 | NASDAQ | QLYS | Tue, Jan 2, 2018 | 59.90 | 61.15 | 59.50 | 61.10 | 1321 | NASDAQ | QLYS | Fri, Dec 29, 2017 | 60.20 | 60.50 | 59.20 | 59.35 | 1320 | NASDAQ | QLYS | Thu, Dec 28, 2017 | 60.20 | 60.60 | 59.50 | 60.00 | 1319 | NASDAQ | QLYS | Wed, Dec 27, 2017 | 59.50 | 60.45 | 59.14 | 60.25 | 1318 | NASDAQ | QLYS | Tue, Dec 26, 2017 | 59.65 | 59.90 | 59.20 | 59.55 | 1317 | NASDAQ | QLYS | Fri, Dec 22, 2017 | 60.20 | 60.40 | 59.60 | 59.85 | 1316 | NASDAQ | QLYS | Thu, Dec 21, 2017 | 59.45 | 60.15 | 58.95 | 60.05 | 1315 | NASDAQ | QLYS | Wed, Dec 20, 2017 | 59.25 | 59.60 | 58.55 | 59.25 | 1314 | NASDAQ | QLYS | Tue, Dec 19, 2017 | 58.90 | 59.35 | 58.40 | 59.05 | 1313 | NASDAQ | QLYS | Mon, Dec 18, 2017 | 59.05 | 59.40 | 58.70 | 58.95 | 1312 | NASDAQ | QLYS | Fri, Dec 15, 2017 | 58.15 | 58.80 | 57.45 | 58.45 | 1311 | NASDAQ | QLYS | Thu, Dec 14, 2017 | 57.40 | 58.30 | 57.05 | 58.20 | 1310 | NASDAQ | QLYS | Wed, Dec 13, 2017 | 57.80 | 58.90 | 56.90 | 57.30 | 1309 | NASDAQ | QLYS | Tue, Dec 12, 2017 | 57.90 | 58.40 | 55.05 | 57.50 | 1308 | NASDAQ | QLYS | Mon, Dec 11, 2017 | 58.45 | 59.25 | 58.30 | 59.00 | 1307 | NASDAQ | QLYS | Fri, Dec 8, 2017 | 58.90 | 59.40 | 58.45 | 58.45 | 1306 | NASDAQ | QLYS | Thu, Dec 7, 2017 | 57.25 | 58.55 | 57.18 | 58.40 | 1305 | NASDAQ | QLYS | Wed, Dec 6, 2017 | 56.20 | 57.40 | 56.20 | 57.10 | 1304 | NASDAQ | QLYS | Tue, Dec 5, 2017 | 56.35 | 57.70 | 55.55 | 56.40 | 1303 | NASDAQ | QLYS | Mon, Dec 4, 2017 | 59.10 | 59.75 | 56.15 | 56.45 | 1302 | NASDAQ | QLYS | Fri, Dec 1, 2017 | 58.95 | 59.40 | 57.10 | 58.75 | 1301 | NASDAQ | QLYS | Thu, Nov 30, 2017 | 59.35 | 59.35 | 58.25 | 58.90 | 1300 | NASDAQ | QLYS | Wed, Nov 29, 2017 | 60.80 | 61.85 | 58.45 | 58.75 | 1299 | NASDAQ | QLYS | Tue, Nov 28, 2017 | 59.60 | 60.90 | 59.60 | 60.75 | 1298 | NASDAQ | QLYS | Mon, Nov 27, 2017 | 62.00 | 62.35 | 59.35 | 59.45 | 1297 | NASDAQ | QLYS | Fri, Nov 24, 2017 | 60.80 | 62.00 | 60.40 | 61.90 | 1296 | NASDAQ | QLYS | Wed, Nov 22, 2017 | 61.10 | 61.40 | 60.40 | 60.55 | 1295 | NASDAQ | QLYS | Tue, Nov 21, 2017 | 59.90 | 61.20 | 59.40 | 61.15 | 1294 | NASDAQ | QLYS | Mon, Nov 20, 2017 | 58.75 | 59.85 | 57.85 | 59.45 | 1293 | NASDAQ | QLYS | Fri, Nov 17, 2017 | 57.85 | 58.70 | 56.56 | 58.65 | 1292 | NASDAQ | QLYS | Thu, Nov 16, 2017 | 57.70 | 58.80 | 56.88 | 58.05 | 1291 | NASDAQ | QLYS | Wed, Nov 15, 2017 | 57.70 | 58.45 | 56.30 | 57.60 | 1290 | NASDAQ | QLYS | Tue, Nov 14, 2017 | 58.00 | 58.40 | 57.45 | 58.00 | 1289 | NASDAQ | QLYS | Mon, Nov 13, 2017 | 56.50 | 58.25 | 55.10 | 58.05 | 1288 | NASDAQ | QLYS | Fri, Nov 10, 2017 | 56.25 | 57.25 | 55.50 | 56.90 | 1287 | NASDAQ | QLYS | Thu, Nov 9, 2017 | 57.00 | 57.00 | 55.50 | 56.45 | 1286 | NASDAQ | QLYS | Wed, Nov 8, 2017 | 56.50 | 57.75 | 56.15 | 57.30 | 1285 | NASDAQ | QLYS | Tue, Nov 7, 2017 | 57.20 | 57.75 | 56.45 | 56.60 | 1284 | NASDAQ | QLYS | Mon, Nov 6, 2017 | 57.05 | 58.25 | 56.06 | 57.35 | 1283 | NASDAQ | QLYS | Fri, Nov 3, 2017 | 56.95 | 57.75 | 55.55 | 57.35 | 1282 | NASDAQ | QLYS | Thu, Nov 2, 2017 | 54.60 | 57.40 | 54.20 | 57.25 | 1281 | NASDAQ | QLYS | Wed, Nov 1, 2017 | 57.35 | 57.35 | 53.20 | 55.75 | 1280 | NASDAQ | QLYS | Tue, Oct 31, 2017 | 52.35 | 53.35 | 52.32 | 52.90 | 1279 | NASDAQ | QLYS | Mon, Oct 30, 2017 | 52.55 | 52.55 | 51.30 | 52.15 | 1278 | NASDAQ | QLYS | Fri, Oct 27, 2017 | 52.90 | 53.70 | 52.25 | 52.60 | 1277 | NASDAQ | QLYS | Thu, Oct 26, 2017 | 52.05 | 52.85 | 51.63 | 52.60 | 1276 | NASDAQ | QLYS | Wed, Oct 25, 2017 | 51.95 | 52.45 | 51.50 | 51.90 | 1275 | NASDAQ | QLYS | Tue, Oct 24, 2017 | 51.90 | 52.65 | 51.75 | 52.00 | 1274 | NASDAQ | QLYS | Mon, Oct 23, 2017 | 51.35 | 51.70 | 50.90 | 51.50 | 1273 | NASDAQ | QLYS | Fri, Oct 20, 2017 | 51.00 | 51.55 | 51.00 | 51.20 | 1272 | NASDAQ | QLYS | Thu, Oct 19, 2017 | 51.15 | 51.40 | 50.65 | 51.20 | 1271 | NASDAQ | QLYS | Wed, Oct 18, 2017 | 51.60 | 51.75 | 51.15 | 51.50 | 1270 | NASDAQ | QLYS | Tue, Oct 17, 2017 | 51.20 | 51.75 | 51.00 | 51.25 | 1269 | NASDAQ | QLYS | Mon, Oct 16, 2017 | 51.05 | 52.00 | 50.85 | 51.20 | 1268 | NASDAQ | QLYS | Fri, Oct 13, 2017 | 50.70 | 51.30 | 50.35 | 51.00 | 1267 | NASDAQ | QLYS | Thu, Oct 12, 2017 | 50.35 | 51.00 | 50.00 | 50.35 | 1266 | NASDAQ | QLYS | Wed, Oct 11, 2017 | 51.00 | 51.10 | 50.35 | 50.40 | 1265 | NASDAQ | QLYS | Tue, Oct 10, 2017 | 51.35 | 52.25 | 50.80 | 51.35 | 1264 | NASDAQ | QLYS | Mon, Oct 9, 2017 | 53.90 | 54.15 | 52.50 | 53.15 | 1263 | NASDAQ | QLYS | Fri, Oct 6, 2017 | 52.95 | 54.10 | 52.50 | 53.90 | 1262 | NASDAQ | QLYS | Thu, Oct 5, 2017 | 53.15 | 53.28 | 52.60 | 52.95 | 1261 | NASDAQ | QLYS | Wed, Oct 4, 2017 | 53.00 | 53.30 | 52.60 | 52.90 | 1260 | NASDAQ | QLYS | Tue, Oct 3, 2017 | 52.55 | 53.40 | 52.15 | 53.00 | 1259 | NASDAQ | QLYS | Mon, Oct 2, 2017 | 52.00 | 52.55 | 51.50 | 52.45 | 1258 | NASDAQ | QLYS | Fri, Sep 29, 2017 | 52.55 | 52.60 | 51.55 | 51.80 | 1257 | NASDAQ | QLYS | Thu, Sep 28, 2017 | 52.90 | 53.55 | 52.35 | 52.50 | 1256 | NASDAQ | QLYS | Wed, Sep 27, 2017 | 51.50 | 53.10 | 51.23 | 52.90 | 1255 | NASDAQ | QLYS | Tue, Sep 26, 2017 | 51.50 | 51.75 | 50.95 | 51.10 | 1254 | NASDAQ | QLYS | Mon, Sep 25, 2017 | 51.80 | 51.90 | 50.65 | 51.45 | 1253 | NASDAQ | QLYS | Fri, Sep 22, 2017 | 51.25 | 52.50 | 50.50 | 51.80 | 1252 | NASDAQ | QLYS | Thu, Sep 21, 2017 | 52.30 | 52.45 | 51.20 | 51.45 | 1251 | NASDAQ | QLYS | Wed, Sep 20, 2017 | 52.25 | 52.75 | 51.32 | 52.45 | 1250 | NASDAQ | QLYS | Tue, Sep 19, 2017 | 52.10 | 52.35 | 51.55 | 52.20 | 1249 | NASDAQ | QLYS | Mon, Sep 18, 2017 | 51.30 | 52.55 | 51.00 | 51.95 | 1248 | NASDAQ | QLYS | Fri, Sep 15, 2017 | 50.60 | 51.40 | 50.00 | 51.30 | 1247 | NASDAQ | QLYS | Thu, Sep 14, 2017 | 50.75 | 50.90 | 50.40 | 50.60 | 1246 | NASDAQ | QLYS | Wed, Sep 13, 2017 | 50.65 | 51.00 | 50.50 | 50.75 | 1245 | NASDAQ | QLYS | Tue, Sep 12, 2017 | 51.60 | 51.75 | 50.50 | 50.90 | 1244 | NASDAQ | QLYS | Mon, Sep 11, 2017 | 51.75 | 51.95 | 50.55 | 51.55 | 1243 | NASDAQ | QLYS | Fri, Sep 8, 2017 | 49.50 | 51.65 | 48.55 | 51.10 | 1242 | NASDAQ | QLYS | Thu, Sep 7, 2017 | 49.05 | 49.85 | 48.78 | 49.40 | 1241 | NASDAQ | QLYS | Wed, Sep 6, 2017 | 48.40 | 49.05 | 48.30 | 48.80 | 1240 | NASDAQ | QLYS | Tue, Sep 5, 2017 | 48.15 | 48.95 | 47.95 | 48.60 | 1239 | NASDAQ | QLYS | Fri, Sep 1, 2017 | 47.70 | 48.58 | 45.85 | 48.25 | 1238 | NASDAQ | QLYS | Thu, Aug 31, 2017 | 47.05 | 47.75 | 46.80 | 47.50 | 1237 | NASDAQ | QLYS | Wed, Aug 30, 2017 | 46.20 | 47.23 | 46.20 | 47.05 | 1236 | NASDAQ | QLYS | Tue, Aug 29, 2017 | 45.15 | 46.50 | 45.15 | 46.20 | 1235 | NASDAQ | QLYS | Mon, Aug 28, 2017 | 45.35 | 45.70 | 45.10 | 45.55 | 1234 | NASDAQ | QLYS | Fri, Aug 25, 2017 | 45.95 | 46.65 | 45.25 | 45.40 | 1233 | NASDAQ | QLYS | Thu, Aug 24, 2017 | 45.45 | 46.50 | 45.25 | 46.00 | 1232 | NASDAQ | QLYS | Wed, Aug 23, 2017 | 45.30 | 45.65 | 45.05 | 45.25 | 1231 | NASDAQ | QLYS | Tue, Aug 22, 2017 | 45.30 | 45.85 | 45.30 | 45.65 | 1230 | NASDAQ | QLYS | Mon, Aug 21, 2017 | 44.85 | 45.40 | 44.30 | 45.30 | 1229 | NASDAQ | QLYS | Fri, Aug 18, 2017 | 44.40 | 45.15 | 44.40 | 44.95 | 1228 | NASDAQ | QLYS | Thu, Aug 17, 2017 | 45.25 | 45.70 | 44.40 | 44.60 | 1227 | NASDAQ | QLYS | Wed, Aug 16, 2017 | 45.35 | 45.75 | 45.00 | 45.50 | 1226 | NASDAQ | QLYS | Tue, Aug 15, 2017 | 45.25 | 45.45 | 44.65 | 45.05 | 1225 | NASDAQ | QLYS | Mon, Aug 14, 2017 | 45.25 | 45.55 | 44.50 | 45.05 | 1224 | NASDAQ | QLYS | Fri, Aug 11, 2017 | 43.65 | 44.65 | 43.65 | 44.60 | 1223 | NASDAQ | QLYS | Thu, Aug 10, 2017 | 44.70 | 44.80 | 43.35 | 43.60 | 1222 | NASDAQ | QLYS | Wed, Aug 9, 2017 | 45.30 | 45.40 | 44.65 | 45.00 | 1221 | NASDAQ | QLYS | Tue, Aug 8, 2017 | 46.60 | 46.70 | 45.50 | 45.55 | 1220 | NASDAQ | QLYS | Mon, Aug 7, 2017 | 46.10 | 47.00 | 45.80 | 46.85 | 1219 | NASDAQ | QLYS | Fri, Aug 4, 2017 | 46.40 | 46.90 | 45.90 | 46.25 | 1218 | NASDAQ | QLYS | Thu, Aug 3, 2017 | 44.05 | 47.50 | 43.83 | 46.40 | 1217 | NASDAQ | QLYS | Wed, Aug 2, 2017 | 42.10 | 42.10 | 40.55 | 40.85 | 1216 | NASDAQ | QLYS | Tue, Aug 1, 2017 | 40.45 | 41.90 | 39.45 | 41.90 | 1215 | NASDAQ | QLYS | Mon, Jul 31, 2017 | 40.65 | 40.65 | 39.80 | 40.15 | 1214 | NASDAQ | QLYS | Fri, Jul 28, 2017 | 40.60 | 40.95 | 40.35 | 40.65 | 1213 | NASDAQ | QLYS | Thu, Jul 27, 2017 | 42.25 | 42.30 | 40.10 | 40.85 | 1212 | NASDAQ | QLYS | Wed, Jul 26, 2017 | 42.60 | 42.80 | 41.85 | 42.00 | 1211 | NASDAQ | QLYS | Tue, Jul 25, 2017 | 42.05 | 42.85 | 42.00 | 42.40 | 1210 | NASDAQ | QLYS | Mon, Jul 24, 2017 | 41.75 | 42.25 | 41.05 | 42.05 | 1209 | NASDAQ | QLYS | Fri, Jul 21, 2017 | 43.10 | 43.50 | 41.80 | 41.80 | 1208 | NASDAQ | QLYS | Thu, Jul 20, 2017 | 42.60 | 43.10 | 42.20 | 42.90 | 1207 | NASDAQ | QLYS | Wed, Jul 19, 2017 | 42.25 | 42.60 | 41.85 | 42.45 | 1206 | NASDAQ | QLYS | Tue, Jul 18, 2017 | 41.70 | 42.20 | 41.35 | 42.10 | 1205 | NASDAQ | QLYS | Mon, Jul 17, 2017 | 42.30 | 42.35 | 41.60 | 41.85 | 1204 | NASDAQ | QLYS | Fri, Jul 14, 2017 | 42.20 | 42.51 | 41.65 | 42.25 | 1203 | NASDAQ | QLYS | Thu, Jul 13, 2017 | 42.20 | 42.25 | 41.70 | 42.15 | 1202 | NASDAQ | QLYS | Wed, Jul 12, 2017 | 41.95 | 42.50 | 41.75 | 42.25 | 1201 | NASDAQ | QLYS | Tue, Jul 11, 2017 | 40.65 | 41.65 | 40.65 | 41.65 | 1200 | NASDAQ | QLYS | Mon, Jul 10, 2017 | 41.45 | 41.65 | 40.45 | 40.70 | 1199 | NASDAQ | QLYS | Fri, Jul 7, 2017 | 40.40 | 41.65 | 40.25 | 41.45 | 1198 | NASDAQ | QLYS | Thu, Jul 6, 2017 | 39.95 | 40.35 | 39.65 | 40.25 | 1197 | NASDAQ | QLYS | Wed, Jul 5, 2017 | 39.95 | 40.70 | 39.60 | 40.35 | 1196 | NASDAQ | QLYS | Mon, Jul 3, 2017 | 41.15 | 41.45 | 39.65 | 39.80 | 1195 | NASDAQ | QLYS | Fri, Jun 30, 2017 | 40.75 | 41.20 | 40.55 | 40.80 | 1194 | NASDAQ | QLYS | Thu, Jun 29, 2017 | 41.80 | 42.15 | 39.85 | 40.60 | 1193 | NASDAQ | QLYS | Wed, Jun 28, 2017 | 40.90 | 42.10 | 40.65 | 41.90 | 1192 | NASDAQ | QLYS | Tue, Jun 27, 2017 | 40.90 | 41.60 | 40.60 | 40.70 | 1191 | NASDAQ | QLYS | Mon, Jun 26, 2017 | 41.45 | 41.75 | 40.75 | 41.10 | 1190 | NASDAQ | QLYS | Fri, Jun 23, 2017 | 41.10 | 41.50 | 40.50 | 41.40 | 1189 | NASDAQ | QLYS | Thu, Jun 22, 2017 | 40.35 | 41.15 | 39.74 | 41.10 | 1188 | NASDAQ | QLYS | Wed, Jun 21, 2017 | 40.05 | 40.70 | 40.05 | 40.25 | 1187 | NASDAQ | QLYS | Tue, Jun 20, 2017 | 40.85 | 41.30 | 39.80 | 39.95 | 1186 | NASDAQ | QLYS | Mon, Jun 19, 2017 | 41.85 | 41.85 | 40.50 | 40.80 | 1185 | NASDAQ | QLYS | Fri, Jun 16, 2017 | 40.50 | 41.60 | 40.44 | 41.60 | 1184 | NASDAQ | QLYS | Thu, Jun 15, 2017 | 40.35 | 40.90 | 40.16 | 40.75 | 1183 | NASDAQ | QLYS | Wed, Jun 14, 2017 | 41.55 | 41.65 | 40.60 | 40.90 | 1182 | NASDAQ | QLYS | Tue, Jun 13, 2017 | 40.65 | 41.48 | 40.20 | 41.45 | 1181 | NASDAQ | QLYS | Mon, Jun 12, 2017 | 40.65 | 40.80 | 39.25 | 40.50 | 1180 | NASDAQ | QLYS | Fri, Jun 9, 2017 | 43.45 | 43.70 | 40.30 | 40.95 | 1179 | NASDAQ | QLYS | Thu, Jun 8, 2017 | 42.85 | 43.35 | 42.35 | 43.25 | 1178 | NASDAQ | QLYS | Wed, Jun 7, 2017 | 42.70 | 43.25 | 42.55 | 42.85 | 1177 | NASDAQ | QLYS | Tue, Jun 6, 2017 | 42.20 | 43.20 | 42.05 | 42.75 | 1176 | NASDAQ | QLYS | Mon, Jun 5, 2017 | 43.00 | 43.00 | 42.25 | 42.30 | 1175 | NASDAQ | QLYS | Fri, Jun 2, 2017 | 42.85 | 43.40 | 42.70 | 42.95 | 1174 | NASDAQ | QLYS | Thu, Jun 1, 2017 | 42.35 | 42.85 | 42.15 | 42.85 | 1173 | NASDAQ | QLYS | Wed, May 31, 2017 | 42.05 | 42.05 | 41.10 | 42.00 | 1172 | NASDAQ | QLYS | Tue, May 30, 2017 | 42.25 | 43.15 | 41.75 | 41.90 | 1171 | NASDAQ | QLYS | Fri, May 26, 2017 | 42.55 | 42.80 | 42.20 | 42.55 | 1170 | NASDAQ | QLYS | Thu, May 25, 2017 | 43.45 | 43.70 | 42.55 | 42.65 | 1169 | NASDAQ | QLYS | Wed, May 24, 2017 | 43.55 | 43.55 | 42.95 | 43.25 | 1168 | NASDAQ | QLYS | Tue, May 23, 2017 | 43.40 | 44.20 | 43.05 | 43.40 | 1167 | NASDAQ | QLYS | Mon, May 22, 2017 | 42.60 | 43.10 | 42.35 | 43.00 | 1166 | NASDAQ | QLYS | Fri, May 19, 2017 | 42.40 | 42.70 | 42.15 | 42.40 | 1165 | NASDAQ | QLYS | Thu, May 18, 2017 | 41.75 | 42.70 | 41.40 | 42.10 | 1164 | NASDAQ | QLYS | Wed, May 17, 2017 | 42.75 | 42.95 | 41.70 | 41.75 | 1163 | NASDAQ | QLYS | Tue, May 16, 2017 | 43.65 | 43.75 | 42.60 | 43.50 | 1162 | NASDAQ | QLYS | Mon, May 15, 2017 | 41.90 | 44.35 | 41.85 | 43.65 | 1161 | NASDAQ | QLYS | Fri, May 12, 2017 | 41.15 | 41.90 | 41.05 | 41.50 | 1160 | NASDAQ | QLYS | Thu, May 11, 2017 | 41.30 | 41.45 | 40.70 | 41.45 | 1159 | NASDAQ | QLYS | Wed, May 10, 2017 | 41.10 | 41.48 | 41.10 | 41.40 | 1158 | NASDAQ | QLYS | Tue, May 9, 2017 | 40.40 | 41.10 | 40.40 | 41.10 | 1157 | NASDAQ | QLYS | Mon, May 8, 2017 | 40.95 | 41.05 | 40.15 | 40.25 | 1156 | NASDAQ | QLYS | Fri, May 5, 2017 | 40.45 | 41.10 | 40.15 | 41.00 | 1155 | NASDAQ | QLYS | Thu, May 4, 2017 | 40.65 | 41.05 | 40.00 | 40.20 | 1154 | NASDAQ | QLYS | Wed, May 3, 2017 | 39.90 | 41.75 | 39.55 | 41.00 | 1153 | NASDAQ | QLYS | Tue, May 2, 2017 | 38.90 | 39.25 | 38.55 | 39.10 | 1152 | NASDAQ | QLYS | Mon, May 1, 2017 | 38.45 | 39.00 | 38.30 | 38.90 | 1151 | NASDAQ | QLYS | Fri, Apr 28, 2017 | 38.15 | 38.65 | 37.40 | 38.40 | 1150 | NASDAQ | QLYS | Thu, Apr 27, 2017 | 38.05 | 38.75 | 38.00 | 38.15 | 1149 | NASDAQ | QLYS | Wed, Apr 26, 2017 | 38.00 | 38.30 | 37.75 | 37.90 | 1148 | NASDAQ | QLYS | Tue, Apr 25, 2017 | 37.75 | 38.45 | 37.75 | 38.05 | 1147 | NASDAQ | QLYS | Mon, Apr 24, 2017 | 37.00 | 37.85 | 36.70 | 37.50 | 1146 | NASDAQ | QLYS | Fri, Apr 21, 2017 | 35.90 | 36.70 | 35.45 | 36.45 | 1145 | NASDAQ | QLYS | Thu, Apr 20, 2017 | 36.05 | 36.05 | 34.80 | 35.85 | 1144 | NASDAQ | QLYS | Wed, Apr 19, 2017 | 36.05 | 36.15 | 35.60 | 35.85 | 1143 | NASDAQ | QLYS | Tue, Apr 18, 2017 | 36.00 | 36.05 | 34.90 | 35.85 | 1142 | NASDAQ | QLYS | Mon, Apr 17, 2017 | 35.85 | 36.15 | 35.55 | 36.10 | 1141 | NASDAQ | QLYS | Thu, Apr 13, 2017 | 36.70 | 36.78 | 35.65 | 35.70 | 1140 | NASDAQ | QLYS | Wed, Apr 12, 2017 | 36.80 | 37.00 | 36.30 | 36.65 | 1139 | NASDAQ | QLYS | Tue, Apr 11, 2017 | 36.80 | 37.20 | 36.45 | 36.80 | 1138 | NASDAQ | QLYS | Mon, Apr 10, 2017 | 36.90 | 37.20 | 36.65 | 36.90 | 1137 | NASDAQ | QLYS | Fri, Apr 7, 2017 | 36.90 | 37.10 | 36.50 | 36.90 | 1136 | NASDAQ | QLYS | Thu, Apr 6, 2017 | 36.55 | 37.00 | 36.00 | 36.95 | 1135 | NASDAQ | QLYS | Wed, Apr 5, 2017 | 36.90 | 37.40 | 36.45 | 36.55 | 1134 | NASDAQ | QLYS | Tue, Apr 4, 2017 | 37.10 | 37.63 | 36.70 | 36.85 | 1133 | NASDAQ | QLYS | Mon, Apr 3, 2017 | 38.00 | 38.20 | 36.90 | 37.20 | 1132 | NASDAQ | QLYS | Fri, Mar 31, 2017 | 37.60 | 38.10 | 37.35 | 37.90 | 1131 | NASDAQ | QLYS | Thu, Mar 30, 2017 | 37.30 | 38.38 | 37.30 | 37.60 | 1130 | NASDAQ | QLYS | Wed, Mar 29, 2017 | 36.40 | 36.95 | 36.40 | 36.95 | 1129 | NASDAQ | QLYS | Tue, Mar 28, 2017 | 36.20 | 36.40 | 35.65 | 36.35 | 1128 | NASDAQ | QLYS | Mon, Mar 27, 2017 | 35.40 | 36.30 | 35.05 | 36.20 | 1127 | NASDAQ | QLYS | Fri, Mar 24, 2017 | 36.00 | 36.25 | 35.55 | 35.70 | 1126 | NASDAQ | QLYS | Thu, Mar 23, 2017 | 35.40 | 36.15 | 35.10 | 35.85 | 1125 | NASDAQ | QLYS | Wed, Mar 22, 2017 | 35.05 | 35.45 | 34.75 | 35.35 | 1124 | NASDAQ | QLYS | Tue, Mar 21, 2017 | 35.80 | 35.80 | 34.68 | 35.00 | 1123 | NASDAQ | QLYS | Mon, Mar 20, 2017 | 35.20 | 35.20 | 34.70 | 34.80 | 1122 | NASDAQ | QLYS | Fri, Mar 17, 2017 | 35.45 | 35.75 | 34.88 | 35.10 | 1121 | NASDAQ | QLYS | Thu, Mar 16, 2017 | 34.65 | 35.55 | 34.55 | 35.55 | 1120 | NASDAQ | QLYS | Wed, Mar 15, 2017 | 34.35 | 34.65 | 33.85 | 34.50 | 1119 | NASDAQ | QLYS | Tue, Mar 14, 2017 | 35.15 | 35.30 | 33.75 | 34.30 | 1118 | NASDAQ | QLYS | Mon, Mar 13, 2017 | 35.00 | 35.25 | 34.00 | 35.15 | 1117 | NASDAQ | QLYS | Fri, Mar 10, 2017 | 34.60 | 35.10 | 34.45 | 34.90 | 1116 | NASDAQ | QLYS | Thu, Mar 9, 2017 | 34.25 | 34.70 | 33.95 | 34.45 | 1115 | NASDAQ | QLYS | Wed, Mar 8, 2017 | 34.20 | 34.80 | 34.05 | 34.40 | 1114 | NASDAQ | QLYS | Tue, Mar 7, 2017 | 34.05 | 34.50 | 33.90 | 34.20 | 1113 | NASDAQ | QLYS | Mon, Mar 6, 2017 | 34.65 | 34.88 | 34.00 | 34.25 | 1112 | NASDAQ | QLYS | Fri, Mar 3, 2017 | 34.85 | 35.35 | 34.65 | 34.95 | 1111 | NASDAQ | QLYS | Thu, Mar 2, 2017 | 34.90 | 35.50 | 34.55 | 34.85 | 1110 | NASDAQ | QLYS | Wed, Mar 1, 2017 | 35.20 | 35.85 | 34.70 | 35.00 | 1109 | NASDAQ | QLYS | Tue, Feb 28, 2017 | 35.90 | 35.90 | 34.90 | 34.95 | 1108 | NASDAQ | QLYS | Mon, Feb 27, 2017 | 36.60 | 36.60 | 35.95 | 36.10 | 1107 | NASDAQ | QLYS | Fri, Feb 24, 2017 | 36.20 | 36.70 | 36.15 | 36.65 | 1106 | NASDAQ | QLYS | Thu, Feb 23, 2017 | 36.45 | 36.65 | 36.00 | 36.55 | 1105 | NASDAQ | QLYS | Wed, Feb 22, 2017 | 36.45 | 36.90 | 36.25 | 36.50 | 1104 | NASDAQ | QLYS | Tue, Feb 21, 2017 | 35.55 | 36.75 | 35.30 | 36.70 | 1103 | NASDAQ | QLYS | Fri, Feb 17, 2017 | 34.40 | 35.65 | 34.15 | 35.60 | 1102 | NASDAQ | QLYS | Thu, Feb 16, 2017 | 34.85 | 34.85 | 34.10 | 34.25 | 1101 | NASDAQ | QLYS | Wed, Feb 15, 2017 | 34.90 | 35.00 | 34.63 | 34.80 | 1100 | NASDAQ | QLYS | Tue, Feb 14, 2017 | 34.95 | 35.15 | 34.63 | 35.10 | 1099 | NASDAQ | QLYS | Mon, Feb 13, 2017 | 34.20 | 35.15 | 34.05 | 35.10 | 1098 | NASDAQ | QLYS | Fri, Feb 10, 2017 | 34.95 | 34.95 | 33.70 | 34.00 | 1097 | NASDAQ | QLYS | Thu, Feb 9, 2017 | 32.45 | 35.95 | 32.40 | 35.00 | 1096 | NASDAQ | QLYS | Wed, Feb 8, 2017 | 36.60 | 37.25 | 36.00 | 36.85 | 1095 | NASDAQ | QLYS | Tue, Feb 7, 2017 | 36.90 | 37.53 | 36.65 | 36.75 | 1094 | NASDAQ | QLYS | Mon, Feb 6, 2017 | 37.25 | 37.25 | 36.65 | 36.90 | 1093 | NASDAQ | QLYS | Fri, Feb 3, 2017 | 36.25 | 37.45 | 36.15 | 37.25 | 1092 | NASDAQ | QLYS | Thu, Feb 2, 2017 | 36.00 | 36.50 | 35.80 | 36.25 | 1091 | NASDAQ | QLYS | Wed, Feb 1, 2017 | 36.30 | 36.75 | 35.80 | 36.20 | 1090 | NASDAQ | QLYS | Tue, Jan 31, 2017 | 36.35 | 36.50 | 35.70 | 35.90 | 1089 | NASDAQ | QLYS | Mon, Jan 30, 2017 | 35.75 | 36.65 | 35.30 | 36.40 | 1088 | NASDAQ | QLYS | Fri, Jan 27, 2017 | 35.85 | 35.95 | 35.50 | 35.85 | 1087 | NASDAQ | QLYS | Thu, Jan 26, 2017 | 36.35 | 36.50 | 35.45 | 35.65 | 1086 | NASDAQ | QLYS | Wed, Jan 25, 2017 | 36.00 | 37.00 | 35.65 | 36.20 | 1085 | NASDAQ | QLYS | Tue, Jan 24, 2017 | 33.90 | 35.06 | 33.85 | 35.00 | 1084 | NASDAQ | QLYS | Mon, Jan 23, 2017 | 33.95 | 34.05 | 33.50 | 33.85 | 1083 | NASDAQ | QLYS | Fri, Jan 20, 2017 | 33.80 | 34.05 | 33.60 | 34.00 | 1082 | NASDAQ | QLYS | Thu, Jan 19, 2017 | 33.70 | 33.85 | 33.40 | 33.55 | 1081 | NASDAQ | QLYS | Wed, Jan 18, 2017 | 33.85 | 33.85 | 33.20 | 33.65 | 1080 | NASDAQ | QLYS | Tue, Jan 17, 2017 | 34.00 | 34.10 | 33.45 | 33.70 | 1079 | NASDAQ | QLYS | Fri, Jan 13, 2017 | 33.25 | 34.35 | 33.25 | 34.15 | 1078 | NASDAQ | QLYS | Thu, Jan 12, 2017 | 33.75 | 33.75 | 32.60 | 33.20 | 1077 | NASDAQ | QLYS | Wed, Jan 11, 2017 | 33.35 | 34.25 | 33.30 | 33.90 | 1076 | NASDAQ | QLYS | Tue, Jan 10, 2017 | 33.20 | 33.70 | 32.90 | 33.55 | 1075 | NASDAQ | QLYS | Mon, Jan 9, 2017 | 33.15 | 33.50 | 32.70 | 33.05 | 1074 | NASDAQ | QLYS | Fri, Jan 6, 2017 | 33.10 | 33.60 | 32.50 | 33.05 | 1073 | NASDAQ | QLYS | Thu, Jan 5, 2017 | 32.85 | 33.15 | 32.45 | 32.95 | 1072 | NASDAQ | QLYS | Wed, Jan 4, 2017 | 32.60 | 33.25 | 32.33 | 32.95 | 1071 | NASDAQ | QLYS | Tue, Jan 3, 2017 | 31.85 | 32.55 | 31.80 | 32.55 | 1070 | NASDAQ | QLYS | Fri, Dec 30, 2016 | 31.95 | 31.95 | 31.45 | 31.65 | 1069 | NASDAQ | QLYS | Thu, Dec 29, 2016 | 31.90 | 32.30 | 31.55 | 31.85 | 1068 | NASDAQ | QLYS | Wed, Dec 28, 2016 | 32.40 | 32.65 | 31.55 | 31.85 | 1067 | NASDAQ | QLYS | Tue, Dec 27, 2016 | 31.60 | 32.50 | 31.60 | 32.30 | 1066 | NASDAQ | QLYS | Fri, Dec 23, 2016 | 31.15 | 31.70 | 30.61 | 31.70 | 1065 | NASDAQ | QLYS | Thu, Dec 22, 2016 | 32.40 | 32.65 | 30.95 | 31.20 | 1064 | NASDAQ | QLYS | Wed, Dec 21, 2016 | 33.70 | 33.93 | 32.20 | 32.40 | 1063 | NASDAQ | QLYS | Tue, Dec 20, 2016 | 33.50 | 33.90 | 33.20 | 33.80 | 1062 | NASDAQ | QLYS | Mon, Dec 19, 2016 | 33.45 | 34.35 | 33.10 | 33.45 | 1061 | NASDAQ | QLYS | Fri, Dec 16, 2016 | 32.95 | 33.25 | 32.50 | 33.25 | 1060 | NASDAQ | QLYS | Thu, Dec 15, 2016 | 32.70 | 33.55 | 31.95 | 32.80 | 1059 | NASDAQ | QLYS | Wed, Dec 14, 2016 | 33.15 | 33.85 | 32.55 | 32.65 | 1058 | NASDAQ | QLYS | Tue, Dec 13, 2016 | 32.80 | 33.55 | 32.55 | 33.20 | 1057 | NASDAQ | QLYS | Mon, Dec 12, 2016 | 32.95 | 33.05 | 32.25 | 32.65 | 1056 | NASDAQ | QLYS | Fri, Dec 9, 2016 | 33.15 | 33.80 | 32.40 | 33.00 | 1055 | NASDAQ | QLYS | Thu, Dec 8, 2016 | 33.10 | 33.90 | 32.93 | 33.40 | 1054 | NASDAQ | QLYS | Wed, Dec 7, 2016 | 32.10 | 33.40 | 31.95 | 33.20 | 1053 | NASDAQ | QLYS | Tue, Dec 6, 2016 | 32.60 | 32.90 | 31.75 | 32.25 | 1052 | NASDAQ | QLYS | Mon, Dec 5, 2016 | 32.15 | 32.78 | 32.05 | 32.50 | 1051 | NASDAQ | QLYS | Fri, Dec 2, 2016 | 31.45 | 31.95 | 31.00 | 31.90 | 1050 | NASDAQ | QLYS | Thu, Dec 1, 2016 | 33.20 | 33.45 | 31.55 | 31.65 | 1049 | NASDAQ | QLYS | Wed, Nov 30, 2016 | 34.05 | 34.05 | 32.90 | 33.20 | 1048 | NASDAQ | QLYS | Tue, Nov 29, 2016 | 33.85 | 34.20 | 33.55 | 33.95 | 1047 | NASDAQ | QLYS | Mon, Nov 28, 2016 | 34.90 | 34.95 | 33.50 | 33.75 | 1046 | NASDAQ | QLYS | Fri, Nov 25, 2016 | 34.50 | 35.00 | 34.50 | 34.85 | 1045 | NASDAQ | QLYS | Wed, Nov 23, 2016 | 33.85 | 34.60 | 33.75 | 34.60 | 1044 | NASDAQ | QLYS | Tue, Nov 22, 2016 | 34.85 | 35.13 | 33.45 | 34.05 | 1043 | NASDAQ | QLYS | Mon, Nov 21, 2016 | 35.55 | 35.85 | 34.45 | 34.85 | 1042 | NASDAQ | QLYS | Fri, Nov 18, 2016 | 36.05 | 36.60 | 35.70 | 35.80 | 1041 | NASDAQ | QLYS | Thu, Nov 17, 2016 | 36.15 | 36.85 | 35.95 | 36.20 | 1040 | NASDAQ | QLYS | Wed, Nov 16, 2016 | 36.25 | 36.40 | 35.95 | 36.10 | 1039 | NASDAQ | QLYS | Tue, Nov 15, 2016 | 36.55 | 36.95 | 35.85 | 36.30 | 1038 | NASDAQ | QLYS | Mon, Nov 14, 2016 | 36.35 | 37.00 | 35.90 | 36.35 | 1037 | NASDAQ | QLYS | Fri, Nov 11, 2016 | 35.30 | 36.28 | 34.85 | 36.10 | 1036 | NASDAQ | QLYS | Thu, Nov 10, 2016 | 35.75 | 36.90 | 35.07 | 35.30 | 1035 | NASDAQ | QLYS | Wed, Nov 9, 2016 | 34.40 | 35.90 | 34.00 | 35.70 | 1034 | NASDAQ | QLYS | Tue, Nov 8, 2016 | 35.00 | 35.95 | 34.90 | 35.35 | 1033 | NASDAQ | QLYS | Mon, Nov 7, 2016 | 34.90 | 35.75 | 34.60 | 35.10 | 1032 | NASDAQ | QLYS | Fri, Nov 4, 2016 | 37.50 | 37.80 | 34.05 | 34.30 | 1031 | NASDAQ | QLYS | Thu, Nov 3, 2016 | 36.10 | 36.65 | 35.05 | 36.05 | 1030 | NASDAQ | QLYS | Wed, Nov 2, 2016 | 36.70 | 36.85 | 35.95 | 36.05 | 1029 | NASDAQ | QLYS | Tue, Nov 1, 2016 | 37.30 | 37.75 | 36.55 | 37.00 | 1028 | NASDAQ | QLYS | Mon, Oct 31, 2016 | 36.90 | 37.30 | 36.50 | 37.25 | 1027 | NASDAQ | QLYS | Fri, Oct 28, 2016 | 36.00 | 37.20 | 35.65 | 36.90 | 1026 | NASDAQ | QLYS | Thu, Oct 27, 2016 | 37.25 | 37.40 | 36.15 | 36.20 | 1025 | NASDAQ | QLYS | Wed, Oct 26, 2016 | 37.10 | 37.75 | 36.80 | 36.95 | 1024 | NASDAQ | QLYS | Tue, Oct 25, 2016 | 37.90 | 37.90 | 36.80 | 37.15 | 1023 | NASDAQ | QLYS | Mon, Oct 24, 2016 | 37.75 | 38.43 | 37.75 | 38.00 | 1022 | NASDAQ | QLYS | Fri, Oct 21, 2016 | 37.15 | 37.75 | 36.80 | 37.40 | 1021 | NASDAQ | QLYS | Thu, Oct 20, 2016 | 37.40 | 37.70 | 36.66 | 37.20 | 1020 | NASDAQ | QLYS | Wed, Oct 19, 2016 | 37.80 | 38.20 | 37.40 | 37.50 | 1019 | NASDAQ | QLYS | Tue, Oct 18, 2016 | 38.40 | 38.55 | 37.90 | 37.95 | 1018 | NASDAQ | QLYS | Mon, Oct 17, 2016 | 38.90 | 39.00 | 38.10 | 38.15 | 1017 | NASDAQ | QLYS | Fri, Oct 14, 2016 | 37.50 | 38.35 | 37.30 | 37.65 | 1016 | NASDAQ | QLYS | Thu, Oct 13, 2016 | 37.90 | 37.90 | 36.93 | 37.45 | 1015 | NASDAQ | QLYS | Wed, Oct 12, 2016 | 38.30 | 38.45 | 37.36 | 38.05 | 1014 | NASDAQ | QLYS | Tue, Oct 11, 2016 | 38.50 | 38.70 | 38.05 | 38.55 | 1013 | NASDAQ | QLYS | Mon, Oct 10, 2016 | 38.90 | 39.23 | 38.55 | 38.60 | 1012 | NASDAQ | QLYS | Fri, Oct 7, 2016 | 38.57 | 39.21 | 38.00 | 38.56 | 1011 | NASDAQ | QLYS | Thu, Oct 6, 2016 | 39.09 | 39.33 | 38.34 | 38.57 | 1010 | NASDAQ | QLYS | Wed, Oct 5, 2016 | 38.85 | 39.67 | 38.49 | 38.98 | 1009 | NASDAQ | QLYS | Tue, Oct 4, 2016 | 38.30 | 38.85 | 38.11 | 38.79 | 1008 | NASDAQ | QLYS | Mon, Oct 3, 2016 | 38.13 | 38.29 | 37.58 | 38.16 | 1007 | NASDAQ | QLYS | Fri, Sep 30, 2016 | 37.75 | 38.32 | 37.46 | 38.19 | 1006 | NASDAQ | QLYS | Thu, Sep 29, 2016 | 37.99 | 38.14 | 37.25 | 37.50 | 1005 | NASDAQ | QLYS | Wed, Sep 28, 2016 | 38.14 | 38.14 | 37.36 | 37.90 | 1004 | NASDAQ | QLYS | Tue, Sep 27, 2016 | 37.08 | 38.19 | 36.92 | 38.10 | 1003 | NASDAQ | QLYS | Mon, Sep 26, 2016 | 37.12 | 37.34 | 36.77 | 37.09 | 1002 | NASDAQ | QLYS | Fri, Sep 23, 2016 | 37.44 | 37.56 | 36.92 | 37.24 | 1001 | NASDAQ | QLYS | Thu, Sep 22, 2016 | 37.40 | 37.50 | 37.00 | 37.30 | 1000 | NASDAQ | QLYS | Wed, Sep 21, 2016 | 36.57 | 37.02 | 36.25 | 37.01 | 999 | NASDAQ | QLYS | Tue, Sep 20, 2016 | 36.27 | 36.66 | 36.04 | 36.31 | 998 | NASDAQ | QLYS | Mon, Sep 19, 2016 | 36.52 | 36.69 | 36.00 | 36.04 | 997 | NASDAQ | QLYS | Fri, Sep 16, 2016 | 35.64 | 36.62 | 35.44 | 36.56 | 996 | NASDAQ | QLYS | Thu, Sep 15, 2016 | 35.40 | 35.89 | 35.21 | 35.64 | 995 | NASDAQ | QLYS | Wed, Sep 14, 2016 | 35.72 | 36.16 | 35.27 | 35.40 | 994 | NASDAQ | QLYS | Tue, Sep 13, 2016 | 36.25 | 36.61 | 35.31 | 35.48 | 993 | NASDAQ | QLYS | Mon, Sep 12, 2016 | 35.08 | 35.58 | 34.95 | 35.52 | 992 | NASDAQ | QLYS | Fri, Sep 9, 2016 | 35.86 | 36.11 | 35.36 | 35.37 | 991 | NASDAQ | QLYS | Thu, Sep 8, 2016 | 36.18 | 36.56 | 35.79 | 36.16 | 990 | NASDAQ | QLYS | Wed, Sep 7, 2016 | 36.20 | 36.68 | 35.89 | 36.32 | 989 | NASDAQ | QLYS | Tue, Sep 6, 2016 | 35.55 | 36.89 | 35.55 | 36.28 | 988 | NASDAQ | QLYS | Fri, Sep 2, 2016 | 35.06 | 35.56 | 34.94 | 35.53 | 987 | NASDAQ | QLYS | Thu, Sep 1, 2016 | 34.38 | 35.06 | 34.30 | 35.05 | 986 | NASDAQ | QLYS | Wed, Aug 31, 2016 | 34.16 | 34.82 | 33.99 | 34.40 | 985 | NASDAQ | QLYS | Tue, Aug 30, 2016 | 34.96 | 35.11 | 34.49 | 34.65 | 984 | NASDAQ | QLYS | Mon, Aug 29, 2016 | 35.35 | 35.48 | 34.80 | 34.96 | 983 | NASDAQ | QLYS | Fri, Aug 26, 2016 | 34.82 | 35.45 | 34.76 | 35.23 | 982 | NASDAQ | QLYS | Thu, Aug 25, 2016 | 34.64 | 34.96 | 34.00 | 34.92 | 981 | NASDAQ | QLYS | Wed, Aug 24, 2016 | 35.55 | 35.64 | 34.48 | 34.66 | 980 | NASDAQ | QLYS | Tue, Aug 23, 2016 | 34.89 | 36.03 | 34.89 | 35.69 | 979 | NASDAQ | QLYS | Mon, Aug 22, 2016 | 34.72 | 35.13 | 34.66 | 34.84 | 978 | NASDAQ | QLYS | Fri, Aug 19, 2016 | 34.17 | 34.75 | 33.59 | 34.65 | 977 | NASDAQ | QLYS | Thu, Aug 18, 2016 | 32.48 | 34.50 | 32.40 | 34.26 | 976 | NASDAQ | QLYS | Wed, Aug 17, 2016 | 33.05 | 33.05 | 32.35 | 32.62 | 975 | NASDAQ | QLYS | Tue, Aug 16, 2016 | 30.60 | 33.24 | 30.56 | 32.93 | 974 | NASDAQ | QLYS | Mon, Aug 15, 2016 | 30.20 | 30.78 | 30.15 | 30.63 | 973 | NASDAQ | QLYS | Fri, Aug 12, 2016 | 30.62 | 30.80 | 30.08 | 30.23 | 972 | NASDAQ | QLYS | Thu, Aug 11, 2016 | 31.35 | 31.43 | 30.36 | 30.70 | 971 | NASDAQ | QLYS | Wed, Aug 10, 2016 | 31.20 | 31.40 | 30.87 | 31.30 | 970 | NASDAQ | QLYS | Tue, Aug 9, 2016 | 31.52 | 31.52 | 30.80 | 31.06 | 969 | NASDAQ | QLYS | Mon, Aug 8, 2016 | 31.88 | 31.96 | 31.39 | 31.39 | 968 | NASDAQ | QLYS | Fri, Aug 5, 2016 | 32.25 | 32.65 | 31.77 | 31.84 | 967 | NASDAQ | QLYS | Thu, Aug 4, 2016 | 31.32 | 34.32 | 31.22 | 32.00 | 966 | NASDAQ | QLYS | Wed, Aug 3, 2016 | 30.87 | 30.98 | 30.00 | 30.32 | 965 | NASDAQ | QLYS | Tue, Aug 2, 2016 | 31.53 | 31.55 | 30.88 | 30.95 | 964 | NASDAQ | QLYS | Mon, Aug 1, 2016 | 31.41 | 32.01 | 31.11 | 31.53 | 963 | NASDAQ | QLYS | Fri, Jul 29, 2016 | 31.61 | 31.66 | 30.87 | 31.39 | 962 | NASDAQ | QLYS | Thu, Jul 28, 2016 | 31.59 | 31.77 | 31.40 | 31.67 | 961 | NASDAQ | QLYS | Wed, Jul 27, 2016 | 31.46 | 31.72 | 31.29 | 31.50 | 960 | NASDAQ | QLYS | Tue, Jul 26, 2016 | 31.32 | 31.68 | 31.05 | 31.22 | 959 | NASDAQ | QLYS | Mon, Jul 25, 2016 | 31.56 | 31.61 | 31.26 | 31.40 | 958 | NASDAQ | QLYS | Fri, Jul 22, 2016 | 31.41 | 31.91 | 31.02 | 31.58 | 957 | NASDAQ | QLYS | Thu, Jul 21, 2016 | 31.28 | 31.46 | 31.03 | 31.17 | 956 | NASDAQ | QLYS | Wed, Jul 20, 2016 | 31.05 | 31.55 | 31.03 | 31.29 | 955 | NASDAQ | QLYS | Tue, Jul 19, 2016 | 31.24 | 31.37 | 29.69 | 30.81 | 954 | NASDAQ | QLYS | Mon, Jul 18, 2016 | 31.35 | 31.56 | 31.12 | 31.33 | 953 | NASDAQ | QLYS | Fri, Jul 15, 2016 | 31.45 | 31.52 | 31.12 | 31.23 | 952 | NASDAQ | QLYS | Thu, Jul 14, 2016 | 31.36 | 31.59 | 30.82 | 31.22 | 951 | NASDAQ | QLYS | Wed, Jul 13, 2016 | 31.54 | 31.71 | 31.02 | 31.22 | 950 | NASDAQ | QLYS | Tue, Jul 12, 2016 | 31.31 | 31.66 | 31.05 | 31.41 | 949 | NASDAQ | QLYS | Mon, Jul 11, 2016 | 31.05 | 31.52 | 30.93 | 31.35 | 948 | NASDAQ | QLYS | Fri, Jul 8, 2016 | 30.49 | 30.80 | 30.15 | 30.71 | 947 | NASDAQ | QLYS | Thu, Jul 7, 2016 | 30.28 | 30.55 | 30.02 | 30.18 | 946 | NASDAQ | QLYS | Wed, Jul 6, 2016 | 30.14 | 30.65 | 30.00 | 30.07 | 945 | NASDAQ | QLYS | Tue, Jul 5, 2016 | 30.15 | 30.53 | 30.00 | 30.26 | 944 | NASDAQ | QLYS | Fri, Jul 1, 2016 | 29.79 | 30.63 | 29.73 | 30.36 | 943 | NASDAQ | QLYS | Thu, Jun 30, 2016 | 29.49 | 29.83 | 29.13 | 29.81 | 942 | NASDAQ | QLYS | Wed, Jun 29, 2016 | 29.13 | 29.62 | 28.69 | 29.43 | 941 | NASDAQ | QLYS | Tue, Jun 28, 2016 | 29.18 | 29.73 | 28.48 | 28.82 | 940 | NASDAQ | QLYS | Mon, Jun 27, 2016 | 29.74 | 30.03 | 28.35 | 28.83 | 939 | NASDAQ | QLYS | Fri, Jun 24, 2016 | 30.30 | 30.85 | 29.80 | 30.06 | 938 | NASDAQ | QLYS | Thu, Jun 23, 2016 | 31.55 | 31.95 | 31.53 | 31.79 | 937 | NASDAQ | QLYS | Wed, Jun 22, 2016 | 31.55 | 31.55 | 31.13 | 31.28 | 936 | NASDAQ | QLYS | Tue, Jun 21, 2016 | 31.06 | 31.68 | 31.06 | 31.54 | 935 | NASDAQ | QLYS | Mon, Jun 20, 2016 | 30.93 | 31.69 | 30.66 | 31.03 | 934 | NASDAQ | QLYS | Fri, Jun 17, 2016 | 31.95 | 32.09 | 30.43 | 30.59 | 933 | NASDAQ | QLYS | Thu, Jun 16, 2016 | 31.91 | 32.00 | 31.16 | 31.92 | 932 | NASDAQ | QLYS | Wed, Jun 15, 2016 | 32.21 | 32.62 | 31.83 | 32.03 | 931 | NASDAQ | QLYS | Tue, Jun 14, 2016 | 31.79 | 32.34 | 31.22 | 32.09 | 930 | NASDAQ | QLYS | Mon, Jun 13, 2016 | 31.79 | 32.15 | 31.08 | 31.88 | 929 | NASDAQ | QLYS | Fri, Jun 10, 2016 | 31.81 | 32.10 | 31.60 | 31.77 | 928 | NASDAQ | QLYS | Thu, Jun 9, 2016 | 32.20 | 32.50 | 31.82 | 32.10 | 927 | NASDAQ | QLYS | Wed, Jun 8, 2016 | 32.42 | 32.53 | 32.07 | 32.32 | 926 | NASDAQ | QLYS | Tue, Jun 7, 2016 | 32.28 | 32.65 | 32.07 | 32.40 | 925 | NASDAQ | QLYS | Mon, Jun 6, 2016 | 32.32 | 32.63 | 32.02 | 32.14 | 924 | NASDAQ | QLYS | Fri, Jun 3, 2016 | 31.93 | 32.27 | 31.37 | 32.20 | 923 | NASDAQ | QLYS | Thu, Jun 2, 2016 | 31.40 | 32.23 | 31.05 | 32.13 | 922 | NASDAQ | QLYS | Wed, Jun 1, 2016 | 31.15 | 31.93 | 31.15 | 31.44 | 921 | NASDAQ | QLYS | Tue, May 31, 2016 | 30.89 | 31.45 | 30.89 | 31.19 | 920 | NASDAQ | QLYS | Fri, May 27, 2016 | 30.53 | 30.82 | 30.00 | 30.82 | 919 | NASDAQ | QLYS | Thu, May 26, 2016 | 30.35 | 30.88 | 30.00 | 30.76 | 918 | NASDAQ | QLYS | Wed, May 25, 2016 | 30.09 | 30.90 | 29.86 | 30.54 | 917 | NASDAQ | QLYS | Tue, May 24, 2016 | 29.85 | 30.07 | 29.61 | 29.97 | 916 | NASDAQ | QLYS | Mon, May 23, 2016 | 29.03 | 29.97 | 29.00 | 29.65 | 915 | NASDAQ | QLYS | Fri, May 20, 2016 | 28.00 | 29.18 | 27.80 | 29.11 | 914 | NASDAQ | QLYS | Thu, May 19, 2016 | 27.59 | 28.74 | 27.31 | 27.83 | 913 | NASDAQ | QLYS | Wed, May 18, 2016 | 26.98 | 27.70 | 26.83 | 27.63 | 912 | NASDAQ | QLYS | Tue, May 17, 2016 | 27.32 | 27.87 | 27.02 | 27.14 | 911 | NASDAQ | QLYS | Mon, May 16, 2016 | 26.73 | 27.56 | 26.39 | 27.43 | 910 | NASDAQ | QLYS | Fri, May 13, 2016 | 26.42 | 26.83 | 26.30 | 26.62 | 909 | NASDAQ | QLYS | Thu, May 12, 2016 | 25.96 | 26.59 | 25.95 | 26.50 | 908 | NASDAQ | QLYS | Wed, May 11, 2016 | 25.93 | 26.42 | 25.83 | 25.93 | 907 | NASDAQ | QLYS | Tue, May 10, 2016 | 25.99 | 26.06 | 25.55 | 26.05 | 906 | NASDAQ | QLYS | Mon, May 9, 2016 | 25.87 | 26.04 | 25.47 | 25.85 | 905 | NASDAQ | QLYS | Fri, May 6, 2016 | 25.36 | 26.02 | 25.36 | 25.76 | 904 | NASDAQ | QLYS | Thu, May 5, 2016 | 25.98 | 26.12 | 25.50 | 25.85 | 903 | NASDAQ | QLYS | Wed, May 4, 2016 | 25.74 | 26.53 | 25.57 | 26.05 | 902 | NASDAQ | QLYS | Tue, May 3, 2016 | 24.47 | 25.87 | 24.47 | 25.71 | 901 | NASDAQ | QLYS | Mon, May 2, 2016 | 25.22 | 26.14 | 25.22 | 25.99 | 900 | NASDAQ | QLYS | Fri, Apr 29, 2016 | 25.39 | 25.45 | 24.93 | 25.18 | 899 | NASDAQ | QLYS | Thu, Apr 28, 2016 | 25.23 | 26.30 | 25.02 | 25.56 | 898 | NASDAQ | QLYS | Wed, Apr 27, 2016 | 25.24 | 25.47 | 24.95 | 25.37 | 897 | NASDAQ | QLYS | Tue, Apr 26, 2016 | 25.16 | 25.53 | 24.79 | 25.21 | 896 | NASDAQ | QLYS | Mon, Apr 25, 2016 | 24.77 | 25.35 | 24.77 | 25.10 | 895 | NASDAQ | QLYS | Fri, Apr 22, 2016 | 24.89 | 25.15 | 24.14 | 24.84 | 894 | NASDAQ | QLYS | Thu, Apr 21, 2016 | 24.66 | 25.40 | 24.65 | 24.94 | 893 | NASDAQ | QLYS | Wed, Apr 20, 2016 | 24.24 | 25.08 | 24.14 | 24.74 | 892 | NASDAQ | QLYS | Tue, Apr 19, 2016 | 25.44 | 25.46 | 24.22 | 24.39 | 891 | NASDAQ | QLYS | Mon, Apr 18, 2016 | 24.65 | 25.54 | 24.25 | 25.43 | 890 | NASDAQ | QLYS | Fri, Apr 15, 2016 | 24.76 | 24.85 | 24.45 | 24.78 | 889 | NASDAQ | QLYS | Thu, Apr 14, 2016 | 25.01 | 25.01 | 24.42 | 24.71 | 888 | NASDAQ | QLYS | Wed, Apr 13, 2016 | 24.31 | 25.11 | 24.25 | 25.00 | 887 | NASDAQ | QLYS | Tue, Apr 12, 2016 | 24.52 | 24.59 | 23.77 | 24.15 | 886 | NASDAQ | QLYS | Mon, Apr 11, 2016 | 25.13 | 25.64 | 24.43 | 24.53 | 885 | NASDAQ | QLYS | Fri, Apr 8, 2016 | 25.43 | 25.71 | 24.50 | 24.98 | 884 | NASDAQ | QLYS | Thu, Apr 7, 2016 | 25.82 | 25.94 | 24.89 | 25.21 | 883 | NASDAQ | QLYS | Wed, Apr 6, 2016 | 25.57 | 26.15 | 25.43 | 26.10 | 882 | NASDAQ | QLYS | Tue, Apr 5, 2016 | 26.01 | 26.01 | 26.01 | 25.46 | 881 | NASDAQ | QLYS | Mon, Apr 4, 2016 | 25.88 | 26.44 | 25.60 | 26.01 | 880 | NASDAQ | QLYS | Fri, Apr 1, 2016 | 25.16 | 26.12 | 25.03 | 25.76 | 879 | NASDAQ | QLYS | Thu, Mar 31, 2016 | 25.13 | 25.58 | 24.90 | 25.09 | 878 | NASDAQ | QLYS | Wed, Mar 30, 2016 | 25.17 | 25.54 | 24.80 | 25.09 | 877 | NASDAQ | QLYS | Tue, Mar 29, 2016 | 24.65 | 25.30 | 24.53 | 24.67 | 876 | NASDAQ | QLYS | Mon, Mar 28, 2016 | 25.15 | 25.16 | 24.50 | 24.86 | 875 | NASDAQ | QLYS | Thu, Mar 24, 2016 | 24.83 | 24.83 | 24.83 | 25.11 | 874 | NASDAQ | QLYS | Wed, Mar 23, 2016 | 25.88 | 26.07 | 24.52 | 24.83 | 873 | NASDAQ | QLYS | Tue, Mar 22, 2016 | 25.57 | 25.95 | 25.30 | 25.88 | 872 | NASDAQ | QLYS | Mon, Mar 21, 2016 | 26.65 | 26.94 | 25.73 | 25.85 | 871 | NASDAQ | QLYS | Fri, Mar 18, 2016 | 26.33 | 27.10 | 26.25 | 26.68 | 870 | NASDAQ | QLYS | Thu, Mar 17, 2016 | 25.66 | 26.50 | 25.35 | 26.19 | 869 | NASDAQ | QLYS | Wed, Mar 16, 2016 | 24.77 | 25.89 | 24.77 | 25.74 | 868 | NASDAQ | QLYS | Tue, Mar 15, 2016 | 25.59 | 25.59 | 25.59 | 25.00 | 867 | NASDAQ | QLYS | Mon, Mar 14, 2016 | 25.23 | 25.81 | 25.10 | 25.59 | 866 | NASDAQ | QLYS | Fri, Mar 11, 2016 | 24.57 | 25.67 | 24.30 | 25.39 | 865 | NASDAQ | QLYS | Thu, Mar 10, 2016 | 25.62 | 25.78 | 23.97 | 25.54 | 864 | NASDAQ | QLYS | Wed, Mar 9, 2016 | 25.44 | 25.44 | 25.44 | 25.54 | 863 | NASDAQ | QLYS | Tue, Mar 8, 2016 | 25.62 | 26.34 | 25.39 | 26.01 | 862 | NASDAQ | QLYS | Mon, Mar 7, 2016 | 25.39 | 26.34 | 25.10 | 26.01 | 861 | NASDAQ | QLYS | Fri, Mar 4, 2016 | 26.60 | 26.60 | 26.60 | 26.35 | 860 | NASDAQ | QLYS | Thu, Mar 3, 2016 | 26.72 | 26.72 | 26.72 | 26.60 | 859 | NASDAQ | QLYS | Wed, Mar 2, 2016 | 26.34 | 26.83 | 26.17 | 26.57 | 858 | NASDAQ | QLYS | Tue, Mar 1, 2016 | 26.00 | 26.00 | 26.00 | 26.00 | 857 | NASDAQ | QLYS | Mon, Feb 29, 2016 | 25.26 | 25.74 | 24.85 | 25.11 | 856 | NASDAQ | QLYS | Fri, Feb 26, 2016 | 24.75 | 25.22 | 24.03 | 25.11 | 855 | NASDAQ | QLYS | Thu, Feb 25, 2016 | 23.95 | 24.34 | 22.92 | 24.23 | 854 | NASDAQ | QLYS | Wed, Feb 24, 2016 | 22.96 | 24.12 | 22.77 | 23.94 | 853 | NASDAQ | QLYS | Tue, Feb 23, 2016 | 23.18 | 23.55 | 22.88 | 23.20 | 852 | NASDAQ | QLYS | Mon, Feb 22, 2016 | 23.15 | 23.63 | 22.97 | 23.34 | 851 | NASDAQ | QLYS | Fri, Feb 19, 2016 | 22.49 | 23.09 | 22.43 | 23.04 | 850 | NASDAQ | QLYS | Thu, Feb 18, 2016 | 22.93 | 23.08 | 22.23 | 22.67 | 849 | NASDAQ | QLYS | Wed, Feb 17, 2016 | 22.04 | 22.98 | 22.00 | 22.94 | 848 | NASDAQ | QLYS | Tue, Feb 16, 2016 | 21.10 | 22.46 | 20.83 | 22.00 | 847 | NASDAQ | QLYS | Fri, Feb 12, 2016 | 21.26 | 21.27 | 20.11 | 20.74 | 846 | NASDAQ | QLYS | Thu, Feb 11, 2016 | 19.39 | 21.29 | 19.29 | 20.83 | 845 | NASDAQ | QLYS | Wed, Feb 10, 2016 | 17.88 | 20.06 | 17.45 | 19.99 | 844 | NASDAQ | QLYS | Tue, Feb 9, 2016 | 18.89 | 19.44 | 16.96 | 17.36 | 843 | NASDAQ | QLYS | Mon, Feb 8, 2016 | 23.25 | 23.53 | 21.71 | 22.51 | 842 | NASDAQ | QLYS | Fri, Feb 5, 2016 | 25.20 | 25.20 | 23.62 | 23.97 | 841 | NASDAQ | QLYS | Thu, Feb 4, 2016 | 25.10 | 25.74 | 25.04 | 25.17 | 840 | NASDAQ | QLYS | Wed, Feb 3, 2016 | 26.50 | 26.80 | 25.38 | 25.44 | 839 | NASDAQ | QLYS | Tue, Feb 2, 2016 | 26.55 | 27.42 | 25.56 | 26.39 | 838 | NASDAQ | QLYS | Mon, Feb 1, 2016 | 25.66 | 26.88 | 25.59 | 26.85 | 837 | NASDAQ | QLYS | Fri, Jan 29, 2016 | 26.48 | 26.94 | 25.26 | 25.99 | 836 | NASDAQ | QLYS | Thu, Jan 28, 2016 | 27.88 | 28.25 | 23.70 | 25.90 | 835 | NASDAQ | QLYS | Wed, Jan 27, 2016 | 28.99 | 29.11 | 27.69 | 27.92 | 834 | NASDAQ | QLYS | Tue, Jan 26, 2016 | 29.45 | 29.76 | 28.81 | 29.29 | 833 | NASDAQ | QLYS | Mon, Jan 25, 2016 | 29.49 | 29.63 | 28.95 | 29.40 | 832 | NASDAQ | QLYS | Fri, Jan 22, 2016 | 28.85 | 29.78 | 28.85 | 29.66 | 831 | NASDAQ | QLYS | Thu, Jan 21, 2016 | 28.63 | 28.95 | 27.70 | 28.39 | 830 | NASDAQ | QLYS | Wed, Jan 20, 2016 | 27.30 | 28.55 | 25.81 | 28.37 | 829 | NASDAQ | QLYS | Tue, Jan 19, 2016 | 29.73 | 29.75 | 27.63 | 28.00 | 828 | NASDAQ | QLYS | Fri, Jan 15, 2016 | 28.99 | 29.87 | 28.42 | 29.37 | 827 | NASDAQ | QLYS | Thu, Jan 14, 2016 | 28.82 | 30.84 | 28.82 | 30.05 | 826 | NASDAQ | QLYS | Wed, Jan 13, 2016 | 30.74 | 30.74 | 28.61 | 28.81 | 825 | NASDAQ | QLYS | Tue, Jan 12, 2016 | 29.71 | 30.17 | 29.38 | 30.11 | 824 | NASDAQ | QLYS | Mon, Jan 11, 2016 | 28.79 | 29.52 | 28.14 | 29.30 | 823 | NASDAQ | QLYS | Fri, Jan 8, 2016 | 29.31 | 29.76 | 27.79 | 28.66 | 822 | NASDAQ | QLYS | Thu, Jan 7, 2016 | 30.23 | 30.76 | 29.07 | 29.17 | 821 | NASDAQ | QLYS | Wed, Jan 6, 2016 | 31.19 | 31.64 | 30.52 | 30.94 | 820 | NASDAQ | QLYS | Tue, Jan 5, 2016 | 32.02 | 32.15 | 31.47 | 31.82 | 819 | NASDAQ | QLYS | Mon, Jan 4, 2016 | 32.43 | 32.48 | 31.44 | 31.99 | 818 | NASDAQ | QLYS | Thu, Dec 31, 2015 | 33.62 | 33.99 | 32.90 | 33.09 | 817 | NASDAQ | QLYS | Wed, Dec 30, 2015 | 34.41 | 34.79 | 33.68 | 33.71 | 816 | NASDAQ | QLYS | Tue, Dec 29, 2015 | 33.65 | 34.84 | 33.65 | 34.47 | 815 | NASDAQ | QLYS | Mon, Dec 28, 2015 | 33.44 | 33.93 | 33.19 | 33.56 | 814 | NASDAQ | QLYS | Thu, Dec 24, 2015 | 32.82 | 33.90 | 32.80 | 33.41 | 813 | NASDAQ | QLYS | Wed, Dec 23, 2015 | 33.04 | 33.33 | 32.42 | 32.95 | 812 | NASDAQ | QLYS | Tue, Dec 22, 2015 | 32.98 | 33.12 | 32.13 | 32.89 | 811 | NASDAQ | QLYS | Mon, Dec 21, 2015 | 32.77 | 32.95 | 32.32 | 32.81 | 810 | NASDAQ | QLYS | Fri, Dec 18, 2015 | 34.02 | 34.66 | 32.28 | 32.31 | 809 | NASDAQ | QLYS | Thu, Dec 17, 2015 | 35.29 | 35.50 | 34.03 | 34.12 | 808 | NASDAQ | QLYS | Wed, Dec 16, 2015 | 35.68 | 36.13 | 34.67 | 35.07 | 807 | NASDAQ | QLYS | Tue, Dec 15, 2015 | 35.80 | 36.43 | 35.44 | 35.50 | 806 | NASDAQ | QLYS | Mon, Dec 14, 2015 | 35.14 | 35.57 | 34.13 | 35.41 | 805 | NASDAQ | QLYS | Fri, Dec 11, 2015 | 35.53 | 36.06 | 34.76 | 35.28 | 804 | NASDAQ | QLYS | Thu, Dec 10, 2015 | 36.53 | 37.10 | 35.71 | 36.12 | 803 | NASDAQ | QLYS | Wed, Dec 9, 2015 | 38.33 | 38.65 | 37.54 | 37.76 | 802 | NASDAQ | QLYS | Tue, Dec 8, 2015 | 37.51 | 38.82 | 36.82 | 38.46 | 801 | NASDAQ | QLYS | Mon, Dec 7, 2015 | 39.02 | 39.18 | 37.53 | 37.88 | 800 | NASDAQ | QLYS | Fri, Dec 4, 2015 | 37.96 | 39.30 | 37.73 | 39.27 | 799 | NASDAQ | QLYS | Thu, Dec 3, 2015 | 39.19 | 39.55 | 37.63 | 37.88 | 798 | NASDAQ | QLYS | Wed, Dec 2, 2015 | 38.60 | 39.74 | 38.49 | 39.00 | 797 | NASDAQ | QLYS | Tue, Dec 1, 2015 | 38.66 | 38.83 | 37.55 | 38.58 | 796 | NASDAQ | QLYS | Mon, Nov 30, 2015 | 38.43 | 38.98 | 37.90 | 38.46 | 795 | NASDAQ | QLYS | Fri, Nov 27, 2015 | 38.80 | 38.88 | 38.22 | 38.51 | 794 | NASDAQ | QLYS | Wed, Nov 25, 2015 | 38.93 | 38.96 | 38.47 | 38.70 | 793 | NASDAQ | QLYS | Tue, Nov 24, 2015 | 37.49 | 38.98 | 37.10 | 38.87 | 792 | NASDAQ | QLYS | Mon, Nov 23, 2015 | 38.96 | 39.38 | 37.57 | 37.61 | 791 | NASDAQ | QLYS | Fri, Nov 20, 2015 | 38.08 | 39.46 | 37.74 | 38.96 | 790 | NASDAQ | QLYS | Thu, Nov 19, 2015 | 36.74 | 38.02 | 36.26 | 37.93 | 789 | NASDAQ | QLYS | Wed, Nov 18, 2015 | 36.11 | 37.19 | 35.62 | 36.73 | 788 | NASDAQ | QLYS | Tue, Nov 17, 2015 | 36.19 | 36.70 | 35.45 | 36.00 | 787 | NASDAQ | QLYS | Mon, Nov 16, 2015 | 35.77 | 36.27 | 35.48 | 36.11 | 786 | NASDAQ | QLYS | Fri, Nov 13, 2015 | 37.49 | 37.55 | 35.80 | 35.95 | 785 | NASDAQ | QLYS | Thu, Nov 12, 2015 | 36.34 | 37.83 | 36.30 | 37.57 | 784 | NASDAQ | QLYS | Wed, Nov 11, 2015 | 36.60 | 36.88 | 35.74 | 36.65 | 783 | NASDAQ | QLYS | Tue, Nov 10, 2015 | 37.00 | 37.49 | 36.25 | 36.38 | 782 | NASDAQ | QLYS | Mon, Nov 9, 2015 | 37.47 | 37.64 | 36.90 | 37.27 | 781 | NASDAQ | QLYS | Fri, Nov 6, 2015 | 36.30 | 37.73 | 36.17 | 37.47 | 780 | NASDAQ | QLYS | Thu, Nov 5, 2015 | 36.07 | 37.16 | 35.50 | 36.37 | 779 | NASDAQ | QLYS | Wed, Nov 4, 2015 | 35.54 | 36.62 | 35.12 | 36.54 | 778 | NASDAQ | QLYS | Tue, Nov 3, 2015 | 31.49 | 36.96 | 31.10 | 35.56 | 777 | NASDAQ | QLYS | Mon, Nov 2, 2015 | 35.54 | 36.18 | 35.28 | 35.89 | 776 | NASDAQ | QLYS | Fri, Oct 30, 2015 | 35.45 | 36.04 | 35.11 | 35.32 | 775 | NASDAQ | QLYS | Thu, Oct 29, 2015 | 35.82 | 35.87 | 34.88 | 34.97 | 774 | NASDAQ | QLYS | Wed, Oct 28, 2015 | 35.00 | 36.25 | 34.80 | 36.11 | 773 | NASDAQ | QLYS | Tue, Oct 27, 2015 | 34.68 | 35.16 | 34.09 | 34.80 | 772 | NASDAQ | QLYS | Mon, Oct 26, 2015 | 35.00 | 35.44 | 34.49 | 34.86 | 771 | NASDAQ | QLYS | Fri, Oct 23, 2015 | 35.10 | 35.39 | 33.87 | 34.98 | 770 | NASDAQ | QLYS | Thu, Oct 22, 2015 | 34.02 | 35.41 | 33.33 | 35.21 | 769 | NASDAQ | QLYS | Wed, Oct 21, 2015 | 34.91 | 34.93 | 33.07 | 33.53 | 768 | NASDAQ | QLYS | Tue, Oct 20, 2015 | 34.97 | 35.24 | 33.63 | 34.65 | 767 | NASDAQ | QLYS | Mon, Oct 19, 2015 | 34.36 | 34.98 | 33.70 | 34.95 | 766 | NASDAQ | QLYS | Fri, Oct 16, 2015 | 34.05 | 34.46 | 33.56 | 34.41 | 765 | NASDAQ | QLYS | Thu, Oct 15, 2015 | 32.44 | 33.75 | 32.39 | 33.70 | 764 | NASDAQ | QLYS | Wed, Oct 14, 2015 | 33.29 | 33.38 | 32.07 | 32.42 | 763 | NASDAQ | QLYS | Tue, Oct 13, 2015 | 32.80 | 33.99 | 32.68 | 33.19 | 762 | NASDAQ | QLYS | Mon, Oct 12, 2015 | 32.99 | 33.12 | 32.25 | 32.97 | 761 | NASDAQ | QLYS | Fri, Oct 9, 2015 | 32.97 | 33.15 | 32.43 | 32.92 | 760 | NASDAQ | QLYS | Thu, Oct 8, 2015 | 33.50 | 34.45 | 31.85 | 33.10 | 759 | NASDAQ | QLYS | Wed, Oct 7, 2015 | 30.88 | 31.39 | 30.41 | 31.06 | 758 | NASDAQ | QLYS | Tue, Oct 6, 2015 | 30.37 | 31.29 | 30.16 | 30.58 | 757 | NASDAQ | QLYS | Mon, Oct 5, 2015 | 30.51 | 31.01 | 29.82 | 30.45 | 756 | NASDAQ | QLYS | Fri, Oct 2, 2015 | 29.26 | 30.27 | 28.36 | 30.23 | 755 | NASDAQ | QLYS | Thu, Oct 1, 2015 | 28.46 | 29.92 | 28.05 | 29.60 | 754 | NASDAQ | QLYS | Wed, Sep 30, 2015 | 28.93 | 29.24 | 27.63 | 28.46 | 753 | NASDAQ | QLYS | Tue, Sep 29, 2015 | 28.19 | 29.29 | 28.07 | 28.56 | 752 | NASDAQ | QLYS | Mon, Sep 28, 2015 | 29.49 | 29.49 | 28.16 | 28.48 | 751 | NASDAQ | QLYS | Fri, Sep 25, 2015 | 31.35 | 31.57 | 29.54 | 29.76 | 750 | NASDAQ | QLYS | Thu, Sep 24, 2015 | 31.97 | 32.28 | 30.07 | 31.06 | 749 | NASDAQ | QLYS | Wed, Sep 23, 2015 | 31.77 | 32.19 | 31.40 | 31.61 | 748 | NASDAQ | QLYS | Tue, Sep 22, 2015 | 31.91 | 32.10 | 31.08 | 31.71 | 747 | NASDAQ | QLYS | Mon, Sep 21, 2015 | 33.23 | 33.49 | 32.13 | 32.39 | 746 | NASDAQ | QLYS | Fri, Sep 18, 2015 | 32.45 | 32.93 | 31.67 | 32.90 | 745 | NASDAQ | QLYS | Thu, Sep 17, 2015 | 32.76 | 33.64 | 32.28 | 33.14 | 744 | NASDAQ | QLYS | Wed, Sep 16, 2015 | 31.81 | 32.94 | 31.69 | 32.91 | 743 | NASDAQ | QLYS | Tue, Sep 15, 2015 | 31.55 | 32.11 | 31.20 | 31.91 | 742 | NASDAQ | QLYS | Mon, Sep 14, 2015 | 31.23 | 31.85 | 31.12 | 31.51 | 741 | NASDAQ | QLYS | Fri, Sep 11, 2015 | 30.80 | 31.32 | 30.11 | 31.25 | 740 | NASDAQ | QLYS | Thu, Sep 10, 2015 | 30.44 | 31.19 | 29.88 | 31.03 | 739 | NASDAQ | QLYS | Wed, Sep 9, 2015 | 30.85 | 31.29 | 30.33 | 30.50 | 738 | NASDAQ | QLYS | Tue, Sep 8, 2015 | 30.10 | 30.60 | 29.25 | 30.45 | 737 | NASDAQ | QLYS | Fri, Sep 4, 2015 | 28.37 | 29.70 | 28.37 | 29.59 | 736 | NASDAQ | QLYS | Thu, Sep 3, 2015 | 29.05 | 29.07 | 28.54 | 28.81 | 735 | NASDAQ | QLYS | Wed, Sep 2, 2015 | 28.48 | 28.82 | 27.83 | 28.82 | 734 | NASDAQ | QLYS | Tue, Sep 1, 2015 | 28.46 | 28.85 | 27.73 | 27.88 | 733 | NASDAQ | QLYS | Mon, Aug 31, 2015 | 29.72 | 30.22 | 29.01 | 29.06 | 732 | NASDAQ | QLYS | Fri, Aug 28, 2015 | 29.49 | 30.00 | 28.78 | 30.00 | 731 | NASDAQ | QLYS | Thu, Aug 27, 2015 | 29.63 | 29.90 | 28.84 | 29.41 | 730 | NASDAQ | QLYS | Wed, Aug 26, 2015 | 29.10 | 29.75 | 27.96 | 29.42 | 729 | NASDAQ | QLYS | Tue, Aug 25, 2015 | 29.78 | 29.78 | 28.17 | 28.32 | 728 | NASDAQ | QLYS | Mon, Aug 24, 2015 | 27.39 | 29.85 | 25.32 | 28.19 | 727 | NASDAQ | QLYS | Fri, Aug 21, 2015 | 30.77 | 31.55 | 28.85 | 29.62 | 726 | NASDAQ | QLYS | Thu, Aug 20, 2015 | 32.46 | 32.69 | 30.30 | 31.56 | 725 | NASDAQ | QLYS | Wed, Aug 19, 2015 | 32.74 | 33.12 | 32.14 | 32.79 | 724 | NASDAQ | QLYS | Tue, Aug 18, 2015 | 33.17 | 33.30 | 32.50 | 33.02 | 723 | NASDAQ | QLYS | Mon, Aug 17, 2015 | 31.85 | 33.35 | 31.28 | 33.17 | 722 | NASDAQ | QLYS | Fri, Aug 14, 2015 | 32.34 | 32.66 | 31.12 | 31.87 | 721 | NASDAQ | QLYS | Thu, Aug 13, 2015 | 32.32 | 32.96 | 32.09 | 32.53 | 720 | NASDAQ | QLYS | Wed, Aug 12, 2015 | 32.79 | 33.37 | 31.07 | 32.15 | 719 | NASDAQ | QLYS | Tue, Aug 11, 2015 | 33.37 | 33.77 | 32.53 | 33.12 | 718 | NASDAQ | QLYS | Mon, Aug 10, 2015 | 33.76 | 34.72 | 33.71 | 33.89 | 717 | NASDAQ | QLYS | Fri, Aug 7, 2015 | 33.45 | 34.33 | 32.60 | 33.49 | 716 | NASDAQ | QLYS | Thu, Aug 6, 2015 | 38.05 | 38.15 | 33.00 | 33.25 | 715 | NASDAQ | QLYS | Wed, Aug 5, 2015 | 38.84 | 40.11 | 38.08 | 38.59 | 714 | NASDAQ | QLYS | Tue, Aug 4, 2015 | 36.81 | 42.97 | 36.81 | 38.79 | 713 | NASDAQ | QLYS | Mon, Aug 3, 2015 | 36.81 | 37.22 | 35.93 | 36.37 | 712 | NASDAQ | QLYS | Fri, Jul 31, 2015 | 37.29 | 37.84 | 36.87 | 36.96 | 711 | NASDAQ | QLYS | Thu, Jul 30, 2015 | 37.46 | 37.53 | 36.46 | 37.28 | 710 | NASDAQ | QLYS | Wed, Jul 29, 2015 | 37.20 | 37.64 | 36.25 | 37.53 | 709 | NASDAQ | QLYS | Tue, Jul 28, 2015 | 37.48 | 37.48 | 36.50 | 37.13 | 708 | NASDAQ | QLYS | Mon, Jul 27, 2015 | 38.59 | 38.59 | 36.82 | 37.13 | 707 | NASDAQ | QLYS | Fri, Jul 24, 2015 | 39.28 | 39.74 | 38.28 | 38.96 | 706 | NASDAQ | QLYS | Thu, Jul 23, 2015 | 37.20 | 39.68 | 36.91 | 39.03 | 705 | NASDAQ | QLYS | Wed, Jul 22, 2015 | 37.55 | 37.73 | 36.42 | 36.89 | 704 | NASDAQ | QLYS | Tue, Jul 21, 2015 | 36.92 | 37.68 | 36.25 | 37.60 | 703 | NASDAQ | QLYS | Mon, Jul 20, 2015 | 36.93 | 37.65 | 36.65 | 36.73 | 702 | NASDAQ | QLYS | Fri, Jul 17, 2015 | 37.34 | 37.45 | 36.20 | 37.01 | 701 | NASDAQ | QLYS | Thu, Jul 16, 2015 | 37.32 | 37.90 | 36.75 | 37.17 | 700 | NASDAQ | QLYS | Wed, Jul 15, 2015 | 37.79 | 37.98 | 36.65 | 36.73 | 699 | NASDAQ | QLYS | Tue, Jul 14, 2015 | 36.14 | 38.26 | 36.14 | 37.61 | 698 | NASDAQ | QLYS | Mon, Jul 13, 2015 | 37.33 | 37.66 | 35.80 | 36.08 | 697 | NASDAQ | QLYS | Fri, Jul 10, 2015 | 38.00 | 38.74 | 37.02 | 37.22 | 696 | NASDAQ | QLYS | Thu, Jul 9, 2015 | 36.90 | 37.94 | 36.29 | 37.55 | 695 | NASDAQ | QLYS | Wed, Jul 8, 2015 | 37.00 | 37.33 | 35.81 | 36.50 | 694 | NASDAQ | QLYS | Tue, Jul 7, 2015 | 38.25 | 38.54 | 37.04 | 37.48 | 693 | NASDAQ | QLYS | Mon, Jul 6, 2015 | 37.43 | 38.92 | 37.32 | 38.31 | 692 | NASDAQ | QLYS | Thu, Jul 2, 2015 | 40.01 | 40.67 | 37.35 | 38.57 | 691 | NASDAQ | QLYS | Wed, Jul 1, 2015 | 40.77 | 42.09 | 39.88 | 40.04 | 690 | NASDAQ | QLYS | Tue, Jun 30, 2015 | 40.02 | 40.79 | 39.66 | 40.35 | 689 | NASDAQ | QLYS | Mon, Jun 29, 2015 | 40.00 | 41.50 | 39.37 | 39.62 | 688 | NASDAQ | QLYS | Fri, Jun 26, 2015 | 43.91 | 43.91 | 41.16 | 41.59 | 687 | NASDAQ | QLYS | Thu, Jun 25, 2015 | 42.72 | 44.97 | 42.72 | 44.00 | 686 | NASDAQ | QLYS | Wed, Jun 24, 2015 | 46.77 | 46.92 | 42.52 | 42.97 | 685 | NASDAQ | QLYS | Tue, Jun 23, 2015 | 46.40 | 47.21 | 45.84 | 46.90 | 684 | NASDAQ | QLYS | Mon, Jun 22, 2015 | 48.12 | 48.15 | 45.66 | 46.50 | 683 | NASDAQ | QLYS | Fri, Jun 19, 2015 | 47.61 | 48.11 | 46.85 | 47.64 | 682 | NASDAQ | QLYS | Thu, Jun 18, 2015 | 45.62 | 48.00 | 45.09 | 47.35 | 681 | NASDAQ | QLYS | Wed, Jun 17, 2015 | 44.81 | 46.15 | 44.54 | 45.39 | 680 | NASDAQ | QLYS | Tue, Jun 16, 2015 | 43.81 | 45.33 | 43.70 | 44.79 | 679 | NASDAQ | QLYS | Mon, Jun 15, 2015 | 41.54 | 44.10 | 41.03 | 43.79 | 678 | NASDAQ | QLYS | Fri, Jun 12, 2015 | 41.95 | 42.50 | 41.59 | 41.81 | 677 | NASDAQ | QLYS | Thu, Jun 11, 2015 | 42.60 | 43.00 | 41.72 | 41.96 | 676 | NASDAQ | QLYS | Wed, Jun 10, 2015 | 42.44 | 43.24 | 41.75 | 42.64 | 675 | NASDAQ | QLYS | Tue, Jun 9, 2015 | 41.93 | 42.29 | 40.77 | 42.20 | 674 | NASDAQ | QLYS | Mon, Jun 8, 2015 | 42.59 | 42.87 | 41.11 | 41.44 | 673 | NASDAQ | QLYS | Fri, Jun 5, 2015 | 40.71 | 42.47 | 40.15 | 42.39 | 672 | NASDAQ | QLYS | Thu, Jun 4, 2015 | 41.20 | 42.36 | 40.46 | 40.68 | 671 | NASDAQ | QLYS | Wed, Jun 3, 2015 | 40.19 | 41.70 | 39.81 | 41.33 | 670 | NASDAQ | QLYS | Tue, Jun 2, 2015 | 40.14 | 40.70 | 39.75 | 39.81 | 669 | NASDAQ | QLYS | Mon, Jun 1, 2015 | 40.91 | 40.96 | 39.54 | 40.41 | 668 | NASDAQ | QLYS | Fri, May 29, 2015 | 39.87 | 40.90 | 39.87 | 40.72 | 667 | NASDAQ | QLYS | Thu, May 28, 2015 | 39.44 | 40.24 | 39.04 | 40.14 | 666 | NASDAQ | QLYS | Wed, May 27, 2015 | 39.58 | 39.97 | 38.57 | 39.86 | 665 | NASDAQ | QLYS | Tue, May 26, 2015 | 39.79 | 40.32 | 39.27 | 39.75 | 664 | NASDAQ | QLYS | Fri, May 22, 2015 | 40.12 | 40.20 | 39.25 | 39.36 | 663 | NASDAQ | QLYS | Thu, May 21, 2015 | 40.25 | 40.51 | 39.61 | 40.09 | 662 | NASDAQ | QLYS | Wed, May 20, 2015 | 40.33 | 40.67 | 40.00 | 40.17 | 661 | NASDAQ | QLYS | Tue, May 19, 2015 | 40.08 | 40.48 | 39.52 | 39.96 | 660 | NASDAQ | QLYS | Mon, May 18, 2015 | 38.61 | 40.40 | 38.00 | 40.08 | 659 | NASDAQ | QLYS | Fri, May 15, 2015 | 38.33 | 38.76 | 38.10 | 38.61 | 658 | NASDAQ | QLYS | Thu, May 14, 2015 | 37.91 | 38.93 | 37.48 | 38.53 | 657 | NASDAQ | QLYS | Wed, May 13, 2015 | 38.00 | 38.22 | 37.11 | 37.63 | 656 | NASDAQ | QLYS | Tue, May 12, 2015 | 37.38 | 38.36 | 36.21 | 37.91 | 655 | NASDAQ | QLYS | Mon, May 11, 2015 | 37.07 | 38.05 | 36.83 | 37.14 | 654 | NASDAQ | QLYS | Fri, May 8, 2015 | 37.25 | 38.29 | 36.70 | 36.98 | 653 | NASDAQ | QLYS | Thu, May 7, 2015 | 37.65 | 38.19 | 36.88 | 37.07 | 652 | NASDAQ | QLYS | Wed, May 6, 2015 | 37.35 | 38.20 | 36.51 | 37.74 | 651 | NASDAQ | QLYS | Tue, May 5, 2015 | 41.27 | 41.99 | 36.83 | 37.03 | 650 | NASDAQ | QLYS | Mon, May 4, 2015 | 54.00 | 55.47 | 52.86 | 55.08 | 649 | NASDAQ | QLYS | Fri, May 1, 2015 | 50.15 | 52.63 | 50.01 | 52.14 | 648 | NASDAQ | QLYS | Thu, Apr 30, 2015 | 51.54 | 51.76 | 49.43 | 49.52 | 647 | NASDAQ | QLYS | Wed, Apr 29, 2015 | 52.39 | 53.32 | 51.07 | 52.09 | 646 | NASDAQ | QLYS | Tue, Apr 28, 2015 | 52.79 | 53.41 | 50.44 | 52.70 | 645 | NASDAQ | QLYS | Mon, Apr 27, 2015 | 53.65 | 54.89 | 52.54 | 52.82 | 644 | NASDAQ | QLYS | Fri, Apr 24, 2015 | 54.05 | 54.63 | 52.98 | 53.05 | 643 | NASDAQ | QLYS | Thu, Apr 23, 2015 | 52.12 | 54.78 | 51.65 | 53.70 | 642 | NASDAQ | QLYS | Wed, Apr 22, 2015 | 53.13 | 53.88 | 51.77 | 52.38 | 641 | NASDAQ | QLYS | Tue, Apr 21, 2015 | 51.60 | 53.98 | 51.60 | 53.15 | 640 | NASDAQ | QLYS | Mon, Apr 20, 2015 | 50.42 | 52.24 | 50.30 | 50.87 | 639 | NASDAQ | QLYS | Fri, Apr 17, 2015 | 50.90 | 50.90 | 48.81 | 50.27 | 638 | NASDAQ | QLYS | Thu, Apr 16, 2015 | 51.75 | 52.80 | 51.25 | 51.41 | 637 | NASDAQ | QLYS | Wed, Apr 15, 2015 | 50.65 | 52.33 | 50.41 | 51.73 | 636 | NASDAQ | QLYS | Tue, Apr 14, 2015 | 50.87 | 51.53 | 49.54 | 50.58 | 635 | NASDAQ | QLYS | Mon, Apr 13, 2015 | 52.86 | 53.70 | 50.94 | 51.12 | 634 | NASDAQ | QLYS | Fri, Apr 10, 2015 | 52.17 | 54.09 | 51.46 | 54.07 | 633 | NASDAQ | QLYS | Thu, Apr 9, 2015 | 52.64 | 53.46 | 51.37 | 51.88 | 632 | NASDAQ | QLYS | Wed, Apr 8, 2015 | 50.00 | 52.96 | 49.90 | 52.43 | 631 | NASDAQ | QLYS | Tue, Apr 7, 2015 | 48.53 | 49.37 | 47.77 | 49.08 | 630 | NASDAQ | QLYS | Mon, Apr 6, 2015 | 46.98 | 50.00 | 46.42 | 48.33 | 629 | NASDAQ | QLYS | Thu, Apr 2, 2015 | 47.20 | 48.54 | 47.18 | 47.27 | 628 | NASDAQ | QLYS | Wed, Apr 1, 2015 | 46.48 | 47.64 | 45.66 | 47.05 | 627 | NASDAQ | QLYS | Tue, Mar 31, 2015 | 46.68 | 47.80 | 46.39 | 46.48 | 626 | NASDAQ | QLYS | Mon, Mar 30, 2015 | 45.75 | 47.09 | 45.72 | 46.70 | 625 | NASDAQ | QLYS | Fri, Mar 27, 2015 | 44.80 | 45.46 | 43.77 | 45.34 | 624 | NASDAQ | QLYS | Thu, Mar 26, 2015 | 42.18 | 45.25 | 42.15 | 44.96 | 623 | NASDAQ | QLYS | Wed, Mar 25, 2015 | 44.60 | 44.69 | 42.25 | 42.97 | 622 | NASDAQ | QLYS | Tue, Mar 24, 2015 | 45.26 | 45.50 | 44.32 | 44.43 | 621 | NASDAQ | QLYS | Mon, Mar 23, 2015 | 46.23 | 46.36 | 45.03 | 45.17 | 620 | NASDAQ | QLYS | Fri, Mar 20, 2015 | 46.95 | 46.95 | 45.90 | 46.40 | 619 | NASDAQ | QLYS | Thu, Mar 19, 2015 | 47.53 | 48.33 | 46.33 | 46.65 | 618 | NASDAQ | QLYS | Wed, Mar 18, 2015 | 46.50 | 47.45 | 45.66 | 47.28 | 617 | NASDAQ | QLYS | Tue, Mar 17, 2015 | 44.69 | 46.61 | 44.33 | 46.57 | 616 | NASDAQ | QLYS | Mon, Mar 16, 2015 | 43.95 | 44.83 | 43.85 | 44.66 | 615 | NASDAQ | QLYS | Fri, Mar 13, 2015 | 44.02 | 44.75 | 42.90 | 43.54 | 614 | NASDAQ | QLYS | Thu, Mar 12, 2015 | 43.63 | 44.15 | 42.88 | 43.99 | 613 | NASDAQ | QLYS | Wed, Mar 11, 2015 | 43.66 | 44.00 | 42.55 | 43.85 | 612 | NASDAQ | QLYS | Tue, Mar 10, 2015 | 45.00 | 45.03 | 43.85 | 43.85 | 611 | NASDAQ | QLYS | Mon, Mar 9, 2015 | 47.68 | 47.75 | 44.00 | 45.40 | 610 | NASDAQ | QLYS | Fri, Mar 6, 2015 | 49.83 | 49.99 | 47.25 | 47.45 | 609 | NASDAQ | QLYS | Thu, Mar 5, 2015 | 47.71 | 50.00 | 47.32 | 49.74 | 608 | NASDAQ | QLYS | Wed, Mar 4, 2015 | 47.15 | 48.43 | 46.69 | 47.48 | 607 | NASDAQ | QLYS | Tue, Mar 3, 2015 | 47.50 | 47.55 | 46.60 | 47.27 | 606 | NASDAQ | QLYS | Mon, Mar 2, 2015 | 46.00 | 47.74 | 45.66 | 47.51 | 605 | NASDAQ | QLYS | Fri, Feb 27, 2015 | 47.30 | 47.56 | 46.00 | 46.03 | 604 | NASDAQ | QLYS | Thu, Feb 26, 2015 | 47.68 | 47.91 | 47.15 | 47.30 | 603 | NASDAQ | QLYS | Wed, Feb 25, 2015 | 48.21 | 48.38 | 46.62 | 47.78 | 602 | NASDAQ | QLYS | Tue, Feb 24, 2015 | 48.05 | 49.05 | 47.66 | 48.45 | 601 | NASDAQ | QLYS | Mon, Feb 23, 2015 | 48.07 | 48.74 | 47.91 | 48.02 | 600 | NASDAQ | QLYS | Fri, Feb 20, 2015 | 46.66 | 47.91 | 46.30 | 47.89 | 599 | NASDAQ | QLYS | Thu, Feb 19, 2015 | 45.40 | 46.72 | 45.05 | 46.66 | 598 | NASDAQ | QLYS | Wed, Feb 18, 2015 | 44.80 | 46.07 | 43.73 | 45.40 | 597 | NASDAQ | QLYS | Tue, Feb 17, 2015 | 48.00 | 49.42 | 46.03 | 46.31 | 596 | NASDAQ | QLYS | Fri, Feb 13, 2015 | 46.90 | 48.00 | 45.24 | 47.95 | 595 | NASDAQ | QLYS | Thu, Feb 12, 2015 | 46.00 | 47.00 | 45.12 | 46.49 | 594 | NASDAQ | QLYS | Wed, Feb 11, 2015 | 46.27 | 46.55 | 43.52 | 45.85 | 593 | NASDAQ | QLYS | Tue, Feb 10, 2015 | 43.60 | 48.00 | 43.28 | 46.94 | 592 | NASDAQ | QLYS | Mon, Feb 9, 2015 | 40.36 | 41.51 | 39.74 | 40.85 | 591 | NASDAQ | QLYS | Fri, Feb 6, 2015 | 41.10 | 42.67 | 40.07 | 40.35 | 590 | NASDAQ | QLYS | Thu, Feb 5, 2015 | 39.01 | 41.09 | 39.01 | 40.89 | 589 | NASDAQ | QLYS | Wed, Feb 4, 2015 | 37.33 | 39.18 | 37.33 | 38.72 | 588 | NASDAQ | QLYS | Tue, Feb 3, 2015 | 38.03 | 38.31 | 37.31 | 37.56 | 587 | NASDAQ | QLYS | Mon, Feb 2, 2015 | 38.01 | 38.41 | 36.92 | 37.96 | 586 | NASDAQ | QLYS | Fri, Jan 30, 2015 | 38.88 | 39.58 | 37.73 | 38.02 | 585 | NASDAQ | QLYS | Thu, Jan 29, 2015 | 38.65 | 39.59 | 38.18 | 39.09 | 584 | NASDAQ | QLYS | Wed, Jan 28, 2015 | 38.57 | 39.65 | 38.07 | 38.52 | 583 | NASDAQ | QLYS | Tue, Jan 27, 2015 | 38.23 | 38.83 | 37.35 | 38.43 | 582 | NASDAQ | QLYS | Mon, Jan 26, 2015 | 38.86 | 39.46 | 38.08 | 38.68 | 581 | NASDAQ | QLYS | Fri, Jan 23, 2015 | 39.42 | 40.69 | 39.19 | 39.65 | 580 | NASDAQ | QLYS | Thu, Jan 22, 2015 | 39.07 | 39.49 | 38.40 | 39.32 | 579 | NASDAQ | QLYS | Wed, Jan 21, 2015 | 39.12 | 39.29 | 38.03 | 38.82 | 578 | NASDAQ | QLYS | Tue, Jan 20, 2015 | 37.72 | 39.77 | 36.90 | 39.05 | 577 | NASDAQ | QLYS | Fri, Jan 16, 2015 | 35.89 | 37.74 | 35.89 | 37.59 | 576 | NASDAQ | QLYS | Thu, Jan 15, 2015 | 36.74 | 37.96 | 35.50 | 36.04 | 575 | NASDAQ | QLYS | Wed, Jan 14, 2015 | 36.72 | 38.41 | 36.15 | 36.74 | 574 | NASDAQ | QLYS | Tue, Jan 13, 2015 | 37.01 | 38.24 | 36.54 | 37.08 | 573 | NASDAQ | QLYS | Mon, Jan 12, 2015 | 37.03 | 37.47 | 36.58 | 36.62 | 572 | NASDAQ | QLYS | Fri, Jan 9, 2015 | 38.22 | 38.57 | 36.51 | 36.82 | 571 | NASDAQ | QLYS | Thu, Jan 8, 2015 | 37.46 | 38.48 | 37.05 | 38.11 | 570 | NASDAQ | QLYS | Wed, Jan 7, 2015 | 35.88 | 37.53 | 35.75 | 36.95 | 569 | NASDAQ | QLYS | Tue, Jan 6, 2015 | 36.93 | 37.15 | 35.01 | 35.67 | 568 | NASDAQ | QLYS | Mon, Jan 5, 2015 | 37.19 | 38.17 | 36.70 | 36.97 | 567 | NASDAQ | QLYS | Fri, Jan 2, 2015 | 38.15 | 38.95 | 36.50 | 37.31 | 566 | NASDAQ | QLYS | Wed, Dec 31, 2014 | 37.59 | 38.70 | 37.33 | 37.75 | 565 | NASDAQ | QLYS | Tue, Dec 30, 2014 | 38.48 | 39.06 | 37.09 | 37.41 | 564 | NASDAQ | QLYS | Mon, Dec 29, 2014 | 40.23 | 40.41 | 38.23 | 38.61 | 563 | NASDAQ | QLYS | Fri, Dec 26, 2014 | 38.91 | 40.74 | 38.91 | 40.17 | 562 | NASDAQ | QLYS | Wed, Dec 24, 2014 | 38.95 | 39.56 | 38.56 | 38.89 | 561 | NASDAQ | QLYS | Tue, Dec 23, 2014 | 39.50 | 40.00 | 38.60 | 38.94 | 560 | NASDAQ | QLYS | Mon, Dec 22, 2014 | 40.00 | 40.00 | 38.82 | 39.07 | 559 | NASDAQ | QLYS | Fri, Dec 19, 2014 | 37.10 | 39.43 | 37.04 | 39.31 | 558 | NASDAQ | QLYS | Thu, Dec 18, 2014 | 36.83 | 37.28 | 35.95 | 37.09 | 557 | NASDAQ | QLYS | Wed, Dec 17, 2014 | 35.28 | 36.25 | 34.71 | 36.07 | 556 | NASDAQ | QLYS | Tue, Dec 16, 2014 | 35.61 | 36.16 | 35.00 | 35.28 | 555 | NASDAQ | QLYS | Mon, Dec 15, 2014 | 37.71 | 37.90 | 35.49 | 35.79 | 554 | NASDAQ | QLYS | Fri, Dec 12, 2014 | 37.03 | 38.20 | 37.03 | 37.35 | 553 | NASDAQ | QLYS | Thu, Dec 11, 2014 | 36.90 | 38.10 | 36.62 | 37.51 | 552 | NASDAQ | QLYS | Wed, Dec 10, 2014 | 36.15 | 37.97 | 35.44 | 36.86 | 551 | NASDAQ | QLYS | Tue, Dec 9, 2014 | 35.14 | 36.43 | 33.71 | 36.20 | 550 | NASDAQ | QLYS | Mon, Dec 8, 2014 | 36.34 | 37.61 | 35.13 | 35.64 | 549 | NASDAQ | QLYS | Fri, Dec 5, 2014 | 35.89 | 36.64 | 35.72 | 36.56 | 548 | NASDAQ | QLYS | Thu, Dec 4, 2014 | 36.54 | 36.89 | 35.64 | 35.80 | 547 | NASDAQ | QLYS | Wed, Dec 3, 2014 | 36.06 | 37.00 | 35.87 | 36.47 | 546 | NASDAQ | QLYS | Tue, Dec 2, 2014 | 34.28 | 35.92 | 33.78 | 35.86 | 545 | NASDAQ | QLYS | Mon, Dec 1, 2014 | 35.50 | 35.73 | 34.12 | 34.35 | 544 | NASDAQ | QLYS | Fri, Nov 28, 2014 | 35.00 | 35.97 | 34.88 | 35.49 | 543 | NASDAQ | QLYS | Wed, Nov 26, 2014 | 34.67 | 35.00 | 34.29 | 34.97 | 542 | NASDAQ | QLYS | Tue, Nov 25, 2014 | 34.31 | 34.83 | 33.84 | 34.57 | 541 | NASDAQ | QLYS | Mon, Nov 24, 2014 | 33.42 | 34.17 | 33.31 | 34.10 | 540 | NASDAQ | QLYS | Fri, Nov 21, 2014 | 34.17 | 34.33 | 33.14 | 33.30 | 539 | NASDAQ | QLYS | Thu, Nov 20, 2014 | 32.88 | 33.86 | 32.83 | 33.52 | 538 | NASDAQ | QLYS | Wed, Nov 19, 2014 | 34.87 | 34.99 | 32.97 | 33.30 | 537 | NASDAQ | QLYS | Tue, Nov 18, 2014 | 34.96 | 35.40 | 34.65 | 34.81 | 536 | NASDAQ | QLYS | Mon, Nov 17, 2014 | 36.72 | 37.29 | 34.63 | 34.89 | 535 | NASDAQ | QLYS | Fri, Nov 14, 2014 | 35.67 | 36.82 | 35.56 | 36.63 | 534 | NASDAQ | QLYS | Thu, Nov 13, 2014 | 36.26 | 36.81 | 35.90 | 36.14 | 533 | NASDAQ | QLYS | Wed, Nov 12, 2014 | 35.43 | 36.35 | 35.33 | 35.99 | 532 | NASDAQ | QLYS | Tue, Nov 11, 2014 | 35.47 | 35.99 | 34.90 | 35.77 | 531 | NASDAQ | QLYS | Mon, Nov 10, 2014 | 34.87 | 36.00 | 34.59 | 36.00 | 530 | NASDAQ | QLYS | Fri, Nov 7, 2014 | 34.92 | 35.40 | 34.18 | 34.48 | 529 | NASDAQ | QLYS | Thu, Nov 6, 2014 | 34.12 | 35.41 | 33.76 | 34.82 | 528 | NASDAQ | QLYS | Wed, Nov 5, 2014 | 34.52 | 35.00 | 33.60 | 34.19 | 527 | NASDAQ | QLYS | Tue, Nov 4, 2014 | 32.41 | 36.09 | 32.41 | 34.80 | 526 | NASDAQ | QLYS | Mon, Nov 3, 2014 | 32.51 | 33.18 | 31.55 | 32.68 | 525 | NASDAQ | QLYS | Fri, Oct 31, 2014 | 31.53 | 32.18 | 30.76 | 32.08 | 524 | NASDAQ | QLYS | Thu, Oct 30, 2014 | 29.38 | 30.60 | 29.38 | 30.58 | 523 | NASDAQ | QLYS | Wed, Oct 29, 2014 | 30.21 | 30.62 | 28.98 | 29.56 | 522 | NASDAQ | QLYS | Tue, Oct 28, 2014 | 28.64 | 30.25 | 28.53 | 30.07 | 521 | NASDAQ | QLYS | Mon, Oct 27, 2014 | 28.25 | 28.63 | 28.08 | 28.43 | 520 | NASDAQ | QLYS | Fri, Oct 24, 2014 | 28.41 | 28.80 | 28.12 | 28.33 | 519 | NASDAQ | QLYS | Thu, Oct 23, 2014 | 28.10 | 28.65 | 27.70 | 28.37 | 518 | NASDAQ | QLYS | Wed, Oct 22, 2014 | 27.99 | 28.10 | 27.46 | 27.70 | 517 | NASDAQ | QLYS | Tue, Oct 21, 2014 | 27.93 | 28.16 | 26.50 | 27.80 | 516 | NASDAQ | QLYS | Mon, Oct 20, 2014 | 27.89 | 28.35 | 27.49 | 27.77 | 515 | NASDAQ | QLYS | Fri, Oct 17, 2014 | 29.19 | 29.57 | 27.89 | 27.99 | 514 | NASDAQ | QLYS | Thu, Oct 16, 2014 | 29.90 | 30.09 | 28.13 | 28.89 | 513 | NASDAQ | QLYS | Wed, Oct 15, 2014 | 28.15 | 30.31 | 27.70 | 30.05 | 512 | NASDAQ | QLYS | Tue, Oct 14, 2014 | 28.70 | 28.97 | 28.10 | 28.59 | 511 | NASDAQ | QLYS | Mon, Oct 13, 2014 | 28.68 | 28.97 | 27.86 | 28.37 | 510 | NASDAQ | QLYS | Fri, Oct 10, 2014 | 28.14 | 29.39 | 27.94 | 28.55 | 509 | NASDAQ | QLYS | Thu, Oct 9, 2014 | 28.55 | 28.99 | 27.90 | 28.34 | 508 | NASDAQ | QLYS | Wed, Oct 8, 2014 | 28.20 | 28.65 | 28.03 | 28.52 | 507 | NASDAQ | QLYS | Tue, Oct 7, 2014 | 28.09 | 28.57 | 27.78 | 28.22 | 506 | NASDAQ | QLYS | Mon, Oct 6, 2014 | 28.61 | 29.23 | 27.71 | 28.20 | 505 | NASDAQ | QLYS | Fri, Oct 3, 2014 | 27.72 | 29.02 | 27.50 | 28.38 | 504 | NASDAQ | QLYS | Thu, Oct 2, 2014 | 26.54 | 27.61 | 26.30 | 27.49 | 503 | NASDAQ | QLYS | Wed, Oct 1, 2014 | 26.66 | 26.97 | 26.00 | 26.12 | 502 | NASDAQ | QLYS | Tue, Sep 30, 2014 | 26.17 | 26.78 | 26.00 | 26.60 | 501 | NASDAQ | QLYS | Mon, Sep 29, 2014 | 25.72 | 26.46 | 25.72 | 26.16 | 500 | NASDAQ | QLYS | Fri, Sep 26, 2014 | 25.84 | 26.23 | 25.25 | 26.10 | 499 | NASDAQ | QLYS | Thu, Sep 25, 2014 | 25.87 | 26.27 | 25.00 | 25.73 | 498 | NASDAQ | QLYS | Wed, Sep 24, 2014 | 25.12 | 26.00 | 24.87 | 25.90 | 497 | NASDAQ | QLYS | Tue, Sep 23, 2014 | 24.66 | 25.50 | 24.53 | 25.06 | 496 | NASDAQ | QLYS | Mon, Sep 22, 2014 | 24.48 | 24.90 | 23.74 | 24.83 | 495 | NASDAQ | QLYS | Fri, Sep 19, 2014 | 25.06 | 25.32 | 24.59 | 24.67 | 494 | NASDAQ | QLYS | Thu, Sep 18, 2014 | 25.05 | 25.26 | 24.31 | 24.95 | 493 | NASDAQ | QLYS | Wed, Sep 17, 2014 | 24.76 | 25.28 | 24.67 | 24.89 | 492 | NASDAQ | QLYS | Tue, Sep 16, 2014 | 24.23 | 25.05 | 24.23 | 24.73 | 491 | NASDAQ | QLYS | Mon, Sep 15, 2014 | 25.13 | 25.19 | 24.10 | 24.33 | 490 | NASDAQ | QLYS | Fri, Sep 12, 2014 | 24.80 | 25.20 | 24.59 | 24.91 | 489 | NASDAQ | QLYS | Thu, Sep 11, 2014 | 24.44 | 25.00 | 24.36 | 24.72 | 488 | NASDAQ | QLYS | Wed, Sep 10, 2014 | 24.14 | 24.85 | 24.14 | 24.63 | 487 | NASDAQ | QLYS | Tue, Sep 9, 2014 | 24.90 | 24.96 | 24.01 | 24.05 | 486 | NASDAQ | QLYS | Mon, Sep 8, 2014 | 24.39 | 25.13 | 24.39 | 24.91 | 485 | NASDAQ | QLYS | Fri, Sep 5, 2014 | 24.47 | 24.78 | 24.13 | 24.39 | 484 | NASDAQ | QLYS | Thu, Sep 4, 2014 | 25.47 | 25.86 | 24.54 | 24.62 | 483 | NASDAQ | QLYS | Wed, Sep 3, 2014 | 25.42 | 25.79 | 25.28 | 25.33 | 482 | NASDAQ | QLYS | Tue, Sep 2, 2014 | 24.39 | 25.54 | 24.15 | 25.41 | 481 | NASDAQ | QLYS | Fri, Aug 29, 2014 | 23.93 | 24.37 | 23.80 | 24.30 | 480 | NASDAQ | QLYS | Thu, Aug 28, 2014 | 24.30 | 24.50 | 23.43 | 23.92 | 479 | NASDAQ | QLYS | Wed, Aug 27, 2014 | 25.05 | 25.07 | 24.36 | 24.49 | 478 | NASDAQ | QLYS | Tue, Aug 26, 2014 | 24.86 | 25.20 | 24.52 | 25.08 | 477 | NASDAQ | QLYS | Mon, Aug 25, 2014 | 25.04 | 25.11 | 24.51 | 24.73 | 476 | NASDAQ | QLYS | Fri, Aug 22, 2014 | 24.82 | 25.10 | 24.54 | 24.92 | 475 | NASDAQ | QLYS | Thu, Aug 21, 2014 | 24.81 | 25.81 | 24.55 | 24.89 | 474 | NASDAQ | QLYS | Wed, Aug 20, 2014 | 25.26 | 25.54 | 24.84 | 24.92 | 473 | NASDAQ | QLYS | Tue, Aug 19, 2014 | 25.92 | 25.92 | 25.15 | 25.39 | 472 | NASDAQ | QLYS | Mon, Aug 18, 2014 | 26.09 | 26.56 | 25.49 | 26.06 | 471 | NASDAQ | QLYS | Fri, Aug 15, 2014 | 26.09 | 26.87 | 25.38 | 25.83 | 470 | NASDAQ | QLYS | Thu, Aug 14, 2014 | 25.92 | 26.45 | 25.13 | 25.82 | 469 | NASDAQ | QLYS | Wed, Aug 13, 2014 | 27.49 | 27.50 | 26.61 | 27.21 | 468 | NASDAQ | QLYS | Tue, Aug 12, 2014 | 27.42 | 28.16 | 27.11 | 27.39 | 467 | NASDAQ | QLYS | Mon, Aug 11, 2014 | 26.65 | 27.98 | 26.65 | 27.57 | 466 | NASDAQ | QLYS | Fri, Aug 8, 2014 | 26.72 | 26.92 | 25.98 | 26.54 | 465 | NASDAQ | QLYS | Thu, Aug 7, 2014 | 26.61 | 27.50 | 26.35 | 26.58 | 464 | NASDAQ | QLYS | Wed, Aug 6, 2014 | 28.16 | 28.31 | 25.42 | 26.64 | 463 | NASDAQ | QLYS | Tue, Aug 5, 2014 | 26.00 | 29.70 | 25.41 | 29.09 | 462 | NASDAQ | QLYS | Mon, Aug 4, 2014 | 23.75 | 25.51 | 23.07 | 25.34 | 461 | NASDAQ | QLYS | Fri, Aug 1, 2014 | 24.00 | 24.55 | 22.65 | 23.51 | 460 | NASDAQ | QLYS | Thu, Jul 31, 2014 | 25.10 | 25.10 | 23.85 | 23.89 | 459 | NASDAQ | QLYS | Wed, Jul 30, 2014 | 25.35 | 25.87 | 24.95 | 25.53 | 458 | NASDAQ | QLYS | Tue, Jul 29, 2014 | 24.67 | 25.26 | 24.46 | 25.07 | 457 | NASDAQ | QLYS | Mon, Jul 28, 2014 | 24.57 | 24.97 | 23.56 | 24.61 | 456 | NASDAQ | QLYS | Fri, Jul 25, 2014 | 24.43 | 25.02 | 23.98 | 24.54 | 455 | NASDAQ | QLYS | Thu, Jul 24, 2014 | 25.03 | 25.61 | 24.29 | 24.71 | 454 | NASDAQ | QLYS | Wed, Jul 23, 2014 | 24.57 | 25.28 | 24.15 | 25.15 | 453 | NASDAQ | QLYS | Tue, Jul 22, 2014 | 24.20 | 25.00 | 23.80 | 24.55 | 452 | NASDAQ | QLYS | Mon, Jul 21, 2014 | 23.89 | 24.71 | 23.57 | 23.97 | 451 | NASDAQ | QLYS | Fri, Jul 18, 2014 | 23.39 | 24.09 | 23.38 | 24.02 | 450 | NASDAQ | QLYS | Thu, Jul 17, 2014 | 23.86 | 24.34 | 23.26 | 23.42 | 449 | NASDAQ | QLYS | Wed, Jul 16, 2014 | 24.84 | 24.94 | 24.01 | 24.16 | 448 | NASDAQ | QLYS | Tue, Jul 15, 2014 | 26.05 | 26.21 | 24.68 | 24.75 | 447 | NASDAQ | QLYS | Mon, Jul 14, 2014 | 25.17 | 26.29 | 25.06 | 25.99 | 446 | NASDAQ | QLYS | Fri, Jul 11, 2014 | 24.69 | 25.47 | 24.45 | 24.80 | 445 | NASDAQ | QLYS | Thu, Jul 10, 2014 | 24.15 | 25.07 | 23.92 | 24.66 | 444 | NASDAQ | QLYS | Wed, Jul 9, 2014 | 24.52 | 25.05 | 24.00 | 24.64 | 443 | NASDAQ | QLYS | Tue, Jul 8, 2014 | 25.36 | 25.91 | 24.31 | 24.50 | 442 | NASDAQ | QLYS | Mon, Jul 7, 2014 | 25.86 | 26.26 | 25.28 | 25.53 | 441 | NASDAQ | QLYS | Thu, Jul 3, 2014 | 26.03 | 26.32 | 25.58 | 26.01 | 440 | NASDAQ | QLYS | Wed, Jul 2, 2014 | 25.91 | 26.45 | 25.43 | 25.86 | 439 | NASDAQ | QLYS | Tue, Jul 1, 2014 | 25.85 | 26.22 | 25.85 | 26.03 | 438 | NASDAQ | QLYS | Mon, Jun 30, 2014 | 26.03 | 26.20 | 25.59 | 25.67 | 437 | NASDAQ | QLYS | Fri, Jun 27, 2014 | 26.23 | 26.88 | 25.70 | 26.10 | 436 | NASDAQ | QLYS | Thu, Jun 26, 2014 | 25.95 | 26.75 | 25.56 | 26.37 | 435 | NASDAQ | QLYS | Wed, Jun 25, 2014 | 24.90 | 26.44 | 24.90 | 26.17 | 434 | NASDAQ | QLYS | Tue, Jun 24, 2014 | 24.82 | 25.21 | 24.35 | 24.73 | 433 | NASDAQ | QLYS | Mon, Jun 23, 2014 | 25.90 | 25.90 | 24.67 | 24.80 | 432 | NASDAQ | QLYS | Fri, Jun 20, 2014 | 25.71 | 25.99 | 25.00 | 25.84 | 431 | NASDAQ | QLYS | Thu, Jun 19, 2014 | 26.00 | 26.00 | 24.86 | 25.50 | 430 | NASDAQ | QLYS | Wed, Jun 18, 2014 | 25.69 | 25.97 | 25.44 | 25.92 | 429 | NASDAQ | QLYS | Tue, Jun 17, 2014 | 25.33 | 26.28 | 24.96 | 25.75 | 428 | NASDAQ | QLYS | Mon, Jun 16, 2014 | 24.39 | 25.72 | 24.39 | 25.32 | 427 | NASDAQ | QLYS | Fri, Jun 13, 2014 | 23.76 | 24.73 | 23.40 | 24.30 | 426 | NASDAQ | QLYS | Thu, Jun 12, 2014 | 23.50 | 24.19 | 23.24 | 23.82 | 425 | NASDAQ | QLYS | Wed, Jun 11, 2014 | 23.73 | 24.28 | 23.55 | 23.81 | 424 | NASDAQ | QLYS | Tue, Jun 10, 2014 | 23.38 | 24.12 | 23.26 | 23.95 | 423 | NASDAQ | QLYS | Mon, Jun 9, 2014 | 23.15 | 24.40 | 22.91 | 23.59 | 422 | NASDAQ | QLYS | Fri, Jun 6, 2014 | 23.04 | 23.56 | 22.77 | 23.11 | 421 | NASDAQ | QLYS | Thu, Jun 5, 2014 | 26.00 | 23.32 | 22.19 | 22.99 | 420 | NASDAQ | QLYS | Wed, Jun 4, 2014 | 22.16 | 22.73 | 21.87 | 22.31 | 419 | NASDAQ | QLYS | Tue, Jun 3, 2014 | 22.79 | 22.79 | 21.88 | 22.29 | 418 | NASDAQ | QLYS | Mon, Jun 2, 2014 | 23.83 | 23.83 | 22.54 | 22.88 | 417 | NASDAQ | QLYS | Fri, May 30, 2014 | 24.45 | 24.79 | 23.51 | 23.64 | 416 | NASDAQ | QLYS | Thu, May 29, 2014 | 24.68 | 24.97 | 24.04 | 24.70 | 415 | NASDAQ | QLYS | Wed, May 28, 2014 | 25.13 | 25.39 | 24.48 | 24.83 | 414 | NASDAQ | QLYS | Tue, May 27, 2014 | 24.23 | 25.45 | 23.66 | 25.04 | 413 | NASDAQ | QLYS | Fri, May 23, 2014 | 23.08 | 24.23 | 22.56 | 23.99 | 412 | NASDAQ | QLYS | Thu, May 22, 2014 | 22.10 | 23.84 | 22.01 | 23.07 | 411 | NASDAQ | QLYS | Wed, May 21, 2014 | 21.46 | 22.13 | 20.96 | 22.04 | 410 | NASDAQ | QLYS | Tue, May 20, 2014 | 21.52 | 22.44 | 21.35 | 21.40 | 409 | NASDAQ | QLYS | Mon, May 19, 2014 | 21.20 | 21.87 | 21.20 | 21.69 | 408 | NASDAQ | QLYS | Fri, May 16, 2014 | 21.12 | 21.26 | 20.51 | 21.22 | 407 | NASDAQ | QLYS | Thu, May 15, 2014 | 21.91 | 21.91 | 21.00 | 21.04 | 406 | NASDAQ | QLYS | Wed, May 14, 2014 | 22.50 | 22.50 | 21.64 | 22.00 | 405 | NASDAQ | QLYS | Tue, May 13, 2014 | 21.47 | 22.79 | 21.25 | 22.53 | 404 | NASDAQ | QLYS | Mon, May 12, 2014 | 20.53 | 22.15 | 20.53 | 21.63 | 403 | NASDAQ | QLYS | Fri, May 9, 2014 | 19.60 | 20.64 | 19.14 | 20.47 | 402 | NASDAQ | QLYS | Thu, May 8, 2014 | 19.92 | 20.29 | 19.29 | 19.78 | 401 | NASDAQ | QLYS | Wed, May 7, 2014 | 20.83 | 20.83 | 18.43 | 20.12 | 400 | NASDAQ | QLYS | Tue, May 6, 2014 | 22.14 | 22.16 | 20.50 | 20.90 | 399 | NASDAQ | QLYS | Mon, May 5, 2014 | 19.13 | 19.28 | 18.01 | 19.11 | 398 | NASDAQ | QLYS | Fri, May 2, 2014 | 18.74 | 19.43 | 18.10 | 19.26 | 397 | NASDAQ | QLYS | Thu, May 1, 2014 | 19.32 | 20.40 | 18.46 | 18.59 | 396 | NASDAQ | QLYS | Wed, Apr 30, 2014 | 18.40 | 19.64 | 18.13 | 19.29 | 395 | NASDAQ | QLYS | Tue, Apr 29, 2014 | 18.83 | 19.20 | 18.15 | 18.56 | 394 | NASDAQ | QLYS | Mon, Apr 28, 2014 | 19.75 | 19.75 | 18.00 | 18.81 | 393 | NASDAQ | QLYS | Fri, Apr 25, 2014 | 21.06 | 21.06 | 19.42 | 19.72 | 392 | NASDAQ | QLYS | Thu, Apr 24, 2014 | 21.59 | 22.14 | 20.91 | 21.33 | 391 | NASDAQ | QLYS | Wed, Apr 23, 2014 | 21.58 | 21.58 | 21.04 | 21.33 | 390 | NASDAQ | QLYS | Tue, Apr 22, 2014 | 21.44 | 22.18 | 21.37 | 21.63 | 389 | NASDAQ | QLYS | Mon, Apr 21, 2014 | 21.08 | 21.70 | 21.08 | 21.43 | 388 | NASDAQ | QLYS | Thu, Apr 17, 2014 | 20.34 | 21.28 | 20.32 | 21.04 | 387 | NASDAQ | QLYS | Wed, Apr 16, 2014 | 21.19 | 21.19 | 20.17 | 20.47 | 386 | NASDAQ | QLYS | Tue, Apr 15, 2014 | 21.97 | 22.29 | 20.44 | 20.99 | 385 | NASDAQ | QLYS | Mon, Apr 14, 2014 | 21.63 | 22.31 | 21.34 | 21.93 | 384 | NASDAQ | QLYS | Fri, Apr 11, 2014 | 20.64 | 21.67 | 20.51 | 21.36 | 383 | NASDAQ | QLYS | Thu, Apr 10, 2014 | 22.87 | 23.15 | 20.05 | 20.87 | 382 | NASDAQ | QLYS | Wed, Apr 9, 2014 | 23.50 | 24.18 | 22.88 | 23.19 | 381 | NASDAQ | QLYS | Tue, Apr 8, 2014 | 22.97 | 23.59 | 22.19 | 23.33 | 380 | NASDAQ | QLYS | Mon, Apr 7, 2014 | 24.03 | 24.28 | 22.69 | 22.95 | 379 | NASDAQ | QLYS | Fri, Apr 4, 2014 | 25.19 | 25.34 | 23.52 | 24.31 | 378 | NASDAQ | QLYS | Thu, Apr 3, 2014 | 26.19 | 26.46 | 24.83 | 25.10 | 377 | NASDAQ | QLYS | Wed, Apr 2, 2014 | 25.12 | 26.74 | 25.12 | 26.24 | 376 | NASDAQ | QLYS | Tue, Apr 1, 2014 | 25.26 | 26.49 | 24.91 | 26.42 | 375 | NASDAQ | QLYS | Mon, Mar 31, 2014 | 25.19 | 25.52 | 24.90 | 25.43 | 374 | NASDAQ | QLYS | Fri, Mar 28, 2014 | 24.37 | 25.08 | 24.19 | 24.99 | 373 | NASDAQ | QLYS | Thu, Mar 27, 2014 | 24.59 | 24.96 | 23.96 | 24.32 | 372 | NASDAQ | QLYS | Wed, Mar 26, 2014 | 25.27 | 25.27 | 24.62 | 24.68 | 371 | NASDAQ | QLYS | Tue, Mar 25, 2014 | 25.09 | 25.91 | 24.34 | 25.08 | 370 | NASDAQ | QLYS | Mon, Mar 24, 2014 | 27.03 | 27.82 | 24.44 | 25.03 | 369 | NASDAQ | QLYS | Fri, Mar 21, 2014 | 27.80 | 27.97 | 26.85 | 26.87 | 368 | NASDAQ | QLYS | Thu, Mar 20, 2014 | 27.25 | 27.69 | 26.47 | 27.60 | 367 | NASDAQ | QLYS | Wed, Mar 19, 2014 | 27.98 | 28.71 | 26.70 | 27.31 | 366 | NASDAQ | QLYS | Tue, Mar 18, 2014 | 27.72 | 28.40 | 27.71 | 28.00 | 365 | NASDAQ | QLYS | Mon, Mar 17, 2014 | 27.57 | 28.00 | 27.47 | 27.65 | 364 | NASDAQ | QLYS | Fri, Mar 14, 2014 | 27.26 | 27.70 | 27.09 | 27.43 | 363 | NASDAQ | QLYS | Thu, Mar 13, 2014 | 27.66 | 28.35 | 26.99 | 27.37 | 362 | NASDAQ | QLYS | Wed, Mar 12, 2014 | 26.69 | 27.66 | 26.32 | 27.47 | 361 | NASDAQ | QLYS | Tue, Mar 11, 2014 | 27.35 | 27.50 | 26.53 | 26.83 | 360 | NASDAQ | QLYS | Mon, Mar 10, 2014 | 27.28 | 27.61 | 26.75 | 27.30 | 359 | NASDAQ | QLYS | Fri, Mar 7, 2014 | 27.98 | 27.98 | 27.20 | 27.46 | 358 | NASDAQ | QLYS | Thu, Mar 6, 2014 | 28.18 | 28.42 | 27.63 | 27.83 | 357 | NASDAQ | QLYS | Wed, Mar 5, 2014 | 27.95 | 28.37 | 27.32 | 28.00 | 356 | NASDAQ | QLYS | Tue, Mar 4, 2014 | 27.88 | 28.45 | 27.77 | 27.93 | 355 | NASDAQ | QLYS | Mon, Mar 3, 2014 | 26.77 | 27.85 | 26.51 | 27.57 | 354 | NASDAQ | QLYS | Fri, Feb 28, 2014 | 27.69 | 27.80 | 27.06 | 27.11 | 353 | NASDAQ | QLYS | Thu, Feb 27, 2014 | 26.91 | 27.75 | 26.79 | 27.59 | 352 | NASDAQ | QLYS | Wed, Feb 26, 2014 | 26.38 | 27.40 | 26.28 | 26.92 | 351 | NASDAQ | QLYS | Tue, Feb 25, 2014 | 26.41 | 26.59 | 26.02 | 26.38 | 350 | NASDAQ | QLYS | Mon, Feb 24, 2014 | 26.51 | 26.93 | 26.41 | 26.49 | 349 | NASDAQ | QLYS | Fri, Feb 21, 2014 | 26.61 | 26.95 | 26.31 | 26.54 | 348 | NASDAQ | QLYS | Thu, Feb 20, 2014 | 26.47 | 26.94 | 26.44 | 26.65 | 347 | NASDAQ | QLYS | Wed, Feb 19, 2014 | 26.81 | 26.87 | 26.03 | 26.41 | 346 | NASDAQ | QLYS | Tue, Feb 18, 2014 | 27.00 | 27.20 | 26.50 | 26.78 | 345 | NASDAQ | QLYS | Fri, Feb 14, 2014 | 26.95 | 27.30 | 26.65 | 26.90 | 344 | NASDAQ | QLYS | Thu, Feb 13, 2014 | 26.36 | 27.48 | 26.03 | 27.24 | 343 | NASDAQ | QLYS | Wed, Feb 12, 2014 | 28.66 | 28.66 | 25.55 | 27.08 | 342 | NASDAQ | QLYS | Tue, Feb 11, 2014 | 25.11 | 29.94 | 20.37 | 28.90 | 341 | NASDAQ | QLYS | Mon, Feb 10, 2014 | 28.48 | 29.22 | 27.47 | 28.69 | 340 | NASDAQ | QLYS | Fri, Feb 7, 2014 | 26.98 | 28.77 | 26.72 | 28.39 | 339 | NASDAQ | QLYS | Thu, Feb 6, 2014 | 27.28 | 27.73 | 26.60 | 26.86 | 338 | NASDAQ | QLYS | Wed, Feb 5, 2014 | 27.42 | 27.68 | 26.77 | 27.26 | 337 | NASDAQ | QLYS | Tue, Feb 4, 2014 | 27.41 | 27.70 | 26.87 | 27.51 | 336 | NASDAQ | QLYS | Mon, Feb 3, 2014 | 28.19 | 29.50 | 27.16 | 27.64 | 335 | NASDAQ | QLYS | Fri, Jan 31, 2014 | 27.32 | 29.49 | 27.32 | 28.98 | 334 | NASDAQ | QLYS | Wed, Jan 29, 2014 | 26.43 | 26.51 | 25.45 | 26.12 | 333 | NASDAQ | QLYS | Tue, Jan 28, 2014 | 26.88 | 27.40 | 26.57 | 26.77 | 332 | NASDAQ | QLYS | Mon, Jan 27, 2014 | 28.44 | 28.59 | 26.20 | 26.88 | 331 | NASDAQ | QLYS | Fri, Jan 24, 2014 | 29.03 | 29.03 | 28.30 | 28.48 | 330 | NASDAQ | QLYS | Thu, Jan 23, 2014 | 28.61 | 29.23 | 28.45 | 29.15 | 329 | NASDAQ | QLYS | Wed, Jan 22, 2014 | 28.50 | 28.93 | 28.25 | 28.85 | 328 | NASDAQ | QLYS | Tue, Jan 21, 2014 | 28.93 | 29.00 | 28.06 | 28.39 | 327 | NASDAQ | QLYS | Fri, Jan 17, 2014 | 28.98 | 29.10 | 27.95 | 28.51 | 326 | NASDAQ | QLYS | Thu, Jan 16, 2014 | 28.47 | 29.62 | 28.22 | 28.87 | 325 | NASDAQ | QLYS | Wed, Jan 15, 2014 | 27.65 | 29.21 | 27.19 | 28.39 | 324 | NASDAQ | QLYS | Tue, Jan 14, 2014 | 25.42 | 27.12 | 25.42 | 27.05 | 323 | NASDAQ | QLYS | Mon, Jan 13, 2014 | 26.06 | 26.56 | 25.08 | 25.41 | 322 | NASDAQ | QLYS | Fri, Jan 10, 2014 | 25.76 | 26.81 | 25.16 | 26.03 | 321 | NASDAQ | QLYS | Thu, Jan 9, 2014 | 25.32 | 25.63 | 24.79 | 25.25 | 320 | NASDAQ | QLYS | Wed, Jan 8, 2014 | 26.75 | 26.93 | 25.16 | 25.32 | 319 | NASDAQ | QLYS | Tue, Jan 7, 2014 | 25.70 | 26.98 | 25.70 | 26.67 | 318 | NASDAQ | QLYS | Mon, Jan 6, 2014 | 24.89 | 25.98 | 24.59 | 25.69 | 317 | NASDAQ | QLYS | Fri, Jan 3, 2014 | 23.46 | 24.88 | 23.07 | 24.75 | 316 | NASDAQ | QLYS | Thu, Jan 2, 2014 | 23.10 | 23.46 | 22.32 | 23.17 | 315 | NASDAQ | QLYS | Tue, Dec 31, 2013 | 23.14 | 23.26 | 22.90 | 23.11 | 314 | NASDAQ | QLYS | Mon, Dec 30, 2013 | 23.45 | 23.64 | 23.11 | 23.20 | 313 | NASDAQ | QLYS | Fri, Dec 27, 2013 | 22.82 | 23.74 | 22.80 | 23.39 | 312 | NASDAQ | QLYS | Thu, Dec 26, 2013 | 23.65 | 23.67 | 22.68 | 22.74 | 311 | NASDAQ | QLYS | Tue, Dec 24, 2013 | 23.83 | 24.00 | 23.52 | 23.92 | 310 | NASDAQ | QLYS | Mon, Dec 23, 2013 | 24.04 | 24.14 | 23.52 | 23.80 | 309 | NASDAQ | QLYS | Fri, Dec 20, 2013 | 23.90 | 24.49 | 23.39 | 23.90 | 308 | NASDAQ | QLYS | Thu, Dec 19, 2013 | 23.90 | 24.26 | 23.45 | 23.88 | 307 | NASDAQ | QLYS | Wed, Dec 18, 2013 | 23.40 | 23.87 | 23.12 | 23.82 | 306 | NASDAQ | QLYS | Tue, Dec 17, 2013 | 23.23 | 23.75 | 22.77 | 23.31 | 305 | NASDAQ | QLYS | Mon, Dec 16, 2013 | 22.39 | 23.37 | 22.15 | 23.22 | 304 | NASDAQ | QLYS | Fri, Dec 13, 2013 | 22.38 | 22.96 | 22.16 | 22.37 | 303 | NASDAQ | QLYS | Thu, Dec 12, 2013 | 22.39 | 22.80 | 21.67 | 22.26 | 302 | NASDAQ | QLYS | Wed, Dec 11, 2013 | 23.16 | 23.43 | 22.45 | 22.50 | 301 | NASDAQ | QLYS | Tue, Dec 10, 2013 | 23.47 | 23.67 | 23.21 | 23.24 | 300 | NASDAQ | QLYS | Mon, Dec 9, 2013 | 23.70 | 24.00 | 23.29 | 23.58 | 299 | NASDAQ | QLYS | Fri, Dec 6, 2013 | 24.41 | 24.41 | 23.71 | 23.79 | 298 | NASDAQ | QLYS | Thu, Dec 5, 2013 | 24.25 | 24.53 | 23.89 | 24.21 | 297 | NASDAQ | QLYS | Wed, Dec 4, 2013 | 23.77 | 24.56 | 23.77 | 24.33 | 296 | NASDAQ | QLYS | Tue, Dec 3, 2013 | 24.18 | 24.67 | 23.36 | 23.95 | 295 | NASDAQ | QLYS | Mon, Dec 2, 2013 | 24.64 | 24.70 | 24.05 | 24.27 | 294 | NASDAQ | QLYS | Fri, Nov 29, 2013 | 24.83 | 24.90 | 24.48 | 24.72 | 293 | NASDAQ | QLYS | Wed, Nov 27, 2013 | 24.82 | 24.89 | 24.43 | 24.81 | 292 | NASDAQ | QLYS | Tue, Nov 26, 2013 | 23.95 | 24.90 | 23.51 | 24.73 | 291 | NASDAQ | QLYS | Mon, Nov 25, 2013 | 23.75 | 24.47 | 23.50 | 23.81 | 290 | NASDAQ | QLYS | Fri, Nov 22, 2013 | 22.40 | 23.75 | 22.09 | 23.70 | 289 | NASDAQ | QLYS | Thu, Nov 21, 2013 | 21.24 | 22.44 | 21.12 | 22.31 | 288 | NASDAQ | QLYS | Wed, Nov 20, 2013 | 21.29 | 21.41 | 21.13 | 21.31 | 287 | NASDAQ | QLYS | Tue, Nov 19, 2013 | 21.26 | 21.49 | 21.17 | 21.27 | 286 | NASDAQ | QLYS | Mon, Nov 18, 2013 | 21.38 | 21.47 | 21.12 | 21.28 | 285 | NASDAQ | QLYS | Fri, Nov 15, 2013 | 21.08 | 21.95 | 21.08 | 21.22 | 284 | NASDAQ | QLYS | Thu, Nov 14, 2013 | 21.08 | 21.08 | 20.28 | 20.63 | 283 | NASDAQ | QLYS | Wed, Nov 13, 2013 | 20.07 | 21.01 | 19.93 | 21.00 | 282 | NASDAQ | QLYS | Tue, Nov 12, 2013 | 20.64 | 20.80 | 19.75 | 20.17 | 281 | NASDAQ | QLYS | Mon, Nov 11, 2013 | 20.73 | 21.01 | 20.13 | 20.62 | 280 | NASDAQ | QLYS | Fri, Nov 8, 2013 | 21.40 | 21.75 | 20.57 | 20.64 | 279 | NASDAQ | QLYS | Thu, Nov 7, 2013 | 21.62 | 21.62 | 20.50 | 21.48 | 278 | NASDAQ | QLYS | Wed, Nov 6, 2013 | 21.41 | 21.80 | 21.10 | 21.59 | 277 | NASDAQ | QLYS | Tue, Nov 5, 2013 | 21.45 | 22.31 | 20.73 | 21.37 | 276 | NASDAQ | QLYS | Mon, Nov 4, 2013 | 20.94 | 21.97 | 20.80 | 21.70 | 275 | NASDAQ | QLYS | Fri, Nov 1, 2013 | 20.77 | 20.85 | 20.33 | 20.83 | 274 | NASDAQ | QLYS | Thu, Oct 31, 2013 | 20.43 | 21.05 | 20.11 | 20.80 | 273 | NASDAQ | QLYS | Wed, Oct 30, 2013 | 21.14 | 21.39 | 20.36 | 20.48 | 272 | NASDAQ | QLYS | Tue, Oct 29, 2013 | 21.10 | 21.40 | 20.83 | 21.20 | 271 | NASDAQ | QLYS | Mon, Oct 28, 2013 | 20.95 | 21.34 | 20.86 | 21.12 | 270 | NASDAQ | QLYS | Fri, Oct 25, 2013 | 20.47 | 21.13 | 20.04 | 21.00 | 269 | NASDAQ | QLYS | Thu, Oct 24, 2013 | 19.93 | 20.76 | 19.75 | 20.40 | 268 | NASDAQ | QLYS | Wed, Oct 23, 2013 | 21.40 | 21.53 | 19.56 | 20.00 | 267 | NASDAQ | QLYS | Tue, Oct 22, 2013 | 22.65 | 22.96 | 20.98 | 21.61 | 266 | NASDAQ | QLYS | Mon, Oct 21, 2013 | 22.50 | 22.81 | 21.98 | 22.74 | 265 | NASDAQ | QLYS | Fri, Oct 18, 2013 | 23.00 | 23.01 | 21.58 | 22.14 | 264 | NASDAQ | QLYS | Thu, Oct 17, 2013 | 21.33 | 23.00 | 21.00 | 22.84 | 263 | NASDAQ | QLYS | Wed, Oct 16, 2013 | 21.36 | 21.70 | 20.93 | 21.35 | 262 | NASDAQ | QLYS | Tue, Oct 15, 2013 | 22.13 | 22.50 | 21.00 | 21.20 | 261 | NASDAQ | QLYS | Mon, Oct 14, 2013 | 21.73 | 22.15 | 21.24 | 22.11 | 260 | NASDAQ | QLYS | Fri, Oct 11, 2013 | 21.68 | 22.07 | 21.40 | 21.79 | 259 | NASDAQ | QLYS | Thu, Oct 10, 2013 | 21.24 | 22.08 | 21.00 | 21.78 | 258 | NASDAQ | QLYS | Wed, Oct 9, 2013 | 21.06 | 21.23 | 20.94 | 21.02 | 257 | NASDAQ | QLYS | Tue, Oct 8, 2013 | 21.08 | 21.42 | 20.91 | 21.06 | 256 | NASDAQ | QLYS | Mon, Oct 7, 2013 | 21.11 | 21.37 | 20.95 | 21.02 | 255 | NASDAQ | QLYS | Fri, Oct 4, 2013 | 21.04 | 21.76 | 20.97 | 21.23 | 254 | NASDAQ | QLYS | Thu, Oct 3, 2013 | 21.11 | 21.31 | 20.93 | 21.25 | 253 | NASDAQ | QLYS | Wed, Oct 2, 2013 | 20.99 | 21.31 | 20.60 | 21.07 | 252 | NASDAQ | QLYS | Tue, Oct 1, 2013 | 21.40 | 21.57 | 20.93 | 21.16 | 251 | NASDAQ | QLYS | Mon, Sep 30, 2013 | 21.67 | 21.67 | 20.60 | 21.39 | 250 | NASDAQ | QLYS | Fri, Sep 27, 2013 | 21.75 | 22.18 | 21.56 | 21.89 | 249 | NASDAQ | QLYS | Thu, Sep 26, 2013 | 21.73 | 22.34 | 21.52 | 21.90 | 248 | NASDAQ | QLYS | Wed, Sep 25, 2013 | 21.99 | 22.04 | 21.31 | 21.63 | 247 | NASDAQ | QLYS | Tue, Sep 24, 2013 | 22.65 | 22.92 | 21.85 | 21.94 | 246 | NASDAQ | QLYS | Mon, Sep 23, 2013 | 22.27 | 23.00 | 22.25 | 22.85 | 245 | NASDAQ | QLYS | Fri, Sep 20, 2013 | 22.89 | 23.02 | 22.13 | 22.30 | 244 | NASDAQ | QLYS | Thu, Sep 19, 2013 | 22.70 | 23.18 | 22.70 | 22.98 | 243 | NASDAQ | QLYS | Wed, Sep 18, 2013 | 21.90 | 22.83 | 21.90 | 22.73 | 242 | NASDAQ | QLYS | Tue, Sep 17, 2013 | 21.18 | 21.95 | 21.00 | 21.83 | 241 | NASDAQ | QLYS | Mon, Sep 16, 2013 | 21.56 | 21.79 | 21.00 | 21.16 | 240 | NASDAQ | QLYS | Fri, Sep 13, 2013 | 21.05 | 21.71 | 20.82 | 21.33 | 239 | NASDAQ | QLYS | Thu, Sep 12, 2013 | 22.19 | 22.36 | 20.34 | 20.72 | 238 | NASDAQ | QLYS | Wed, Sep 11, 2013 | 22.99 | 23.21 | 22.28 | 22.38 | 237 | NASDAQ | QLYS | Tue, Sep 10, 2013 | 21.72 | 22.99 | 21.66 | 22.77 | 236 | NASDAQ | QLYS | Mon, Sep 9, 2013 | 21.18 | 21.71 | 21.08 | 21.52 | 235 | NASDAQ | QLYS | Fri, Sep 6, 2013 | 21.21 | 21.37 | 20.47 | 21.22 | 234 | NASDAQ | QLYS | Thu, Sep 5, 2013 | 21.00 | 21.50 | 20.87 | 20.95 | 233 | NASDAQ | QLYS | Wed, Sep 4, 2013 | 20.43 | 21.60 | 20.38 | 21.10 | 232 | NASDAQ | QLYS | Tue, Sep 3, 2013 | 20.00 | 20.71 | 19.75 | 20.38 | 231 | NASDAQ | QLYS | Fri, Aug 30, 2013 | 19.81 | 20.00 | 19.54 | 19.99 | 230 | NASDAQ | QLYS | Thu, Aug 29, 2013 | 19.71 | 19.99 | 19.55 | 19.76 | 229 | NASDAQ | QLYS | Wed, Aug 28, 2013 | 19.66 | 20.09 | 19.10 | 19.80 | 228 | NASDAQ | QLYS | Tue, Aug 27, 2013 | 19.99 | 20.22 | 19.50 | 19.75 | 227 | NASDAQ | QLYS | Mon, Aug 26, 2013 | 19.82 | 20.40 | 19.52 | 20.22 | 226 | NASDAQ | QLYS | Fri, Aug 23, 2013 | 19.15 | 20.00 | 19.01 | 19.85 | 225 | NASDAQ | QLYS | Thu, Aug 22, 2013 | 18.82 | 19.15 | 18.63 | 19.07 | 224 | NASDAQ | QLYS | Wed, Aug 21, 2013 | 18.77 | 19.00 | 18.40 | 18.86 | 223 | NASDAQ | QLYS | Tue, Aug 20, 2013 | 18.47 | 19.10 | 18.47 | 18.87 | 222 | NASDAQ | QLYS | Mon, Aug 19, 2013 | 18.51 | 18.60 | 18.33 | 18.47 | 221 | NASDAQ | QLYS | Fri, Aug 16, 2013 | 18.26 | 18.61 | 18.25 | 18.56 | 220 | NASDAQ | QLYS | Thu, Aug 15, 2013 | 18.79 | 18.86 | 18.28 | 18.37 | 219 | NASDAQ | QLYS | Wed, Aug 14, 2013 | 18.55 | 19.15 | 18.15 | 19.08 | 218 | NASDAQ | QLYS | Tue, Aug 13, 2013 | 18.43 | 18.50 | 17.76 | 18.48 | 217 | NASDAQ | QLYS | Mon, Aug 12, 2013 | 18.05 | 18.48 | 17.76 | 18.43 | 216 | NASDAQ | QLYS | Fri, Aug 9, 2013 | 18.20 | 18.34 | 17.95 | 18.05 | 215 | NASDAQ | QLYS | Thu, Aug 8, 2013 | 18.19 | 18.46 | 17.61 | 18.22 | 214 | NASDAQ | QLYS | Wed, Aug 7, 2013 | 19.00 | 19.07 | 18.01 | 18.11 | 213 | NASDAQ | QLYS | Tue, Aug 6, 2013 | 18.00 | 19.37 | 17.00 | 19.15 | 212 | NASDAQ | QLYS | Mon, Aug 5, 2013 | 16.94 | 17.63 | 16.90 | 17.63 | 211 | NASDAQ | QLYS | Fri, Aug 2, 2013 | 16.62 | 17.00 | 16.35 | 16.90 | 210 | NASDAQ | QLYS | Thu, Aug 1, 2013 | 16.01 | 16.70 | 15.72 | 16.68 | 209 | NASDAQ | QLYS | Wed, Jul 31, 2013 | 16.08 | 16.13 | 15.90 | 16.00 | 208 | NASDAQ | QLYS | Tue, Jul 30, 2013 | 15.88 | 16.13 | 15.35 | 16.11 | 207 | NASDAQ | QLYS | Mon, Jul 29, 2013 | 15.95 | 16.24 | 15.67 | 15.91 | 206 | NASDAQ | QLYS | Fri, Jul 26, 2013 | 15.95 | 16.29 | 14.98 | 16.01 | 205 | NASDAQ | QLYS | Thu, Jul 25, 2013 | 15.87 | 16.05 | 15.53 | 16.01 | 204 | NASDAQ | QLYS | Wed, Jul 24, 2013 | 15.96 | 16.20 | 15.40 | 15.83 | 203 | NASDAQ | QLYS | Tue, Jul 23, 2013 | 16.03 | 16.27 | 15.85 | 15.97 | 202 | NASDAQ | QLYS | Mon, Jul 22, 2013 | 15.44 | 15.93 | 15.23 | 15.86 | 201 | NASDAQ | QLYS | Fri, Jul 19, 2013 | 15.58 | 15.88 | 15.51 | 15.52 | 200 | NASDAQ | QLYS | Thu, Jul 18, 2013 | 16.03 | 16.04 | 15.52 | 15.66 | 199 | NASDAQ | QLYS | Wed, Jul 17, 2013 | 15.88 | 16.52 | 15.58 | 16.04 | 198 | NASDAQ | QLYS | Tue, Jul 16, 2013 | 16.25 | 16.25 | 15.58 | 15.80 | 197 | NASDAQ | QLYS | Mon, Jul 15, 2013 | 15.89 | 16.56 | 15.89 | 16.17 | 196 | NASDAQ | QLYS | Fri, Jul 12, 2013 | 16.40 | 16.56 | 15.84 | 16.01 | 195 | NASDAQ | QLYS | Thu, Jul 11, 2013 | 17.00 | 17.00 | 16.15 | 16.37 | 194 | NASDAQ | QLYS | Wed, Jul 10, 2013 | 16.68 | 17.00 | 16.68 | 16.86 | 193 | NASDAQ | QLYS | Tue, Jul 9, 2013 | 16.46 | 16.79 | 16.23 | 16.37 | 192 | NASDAQ | QLYS | Mon, Jul 8, 2013 | 16.47 | 16.49 | 16.32 | 16.44 | 191 | NASDAQ | QLYS | Fri, Jul 5, 2013 | 16.20 | 16.37 | 16.09 | 16.37 | 190 | NASDAQ | QLYS | Wed, Jul 3, 2013 | 15.99 | 16.25 | 15.90 | 16.03 | 189 | NASDAQ | QLYS | Tue, Jul 2, 2013 | 15.79 | 16.18 | 15.48 | 16.04 | 188 | NASDAQ | QLYS | Mon, Jul 1, 2013 | 16.14 | 16.14 | 15.39 | 15.77 | 187 | NASDAQ | QLYS | Fri, Jun 28, 2013 | 15.74 | 16.25 | 15.50 | 16.12 | 186 | NASDAQ | QLYS | Thu, Jun 27, 2013 | 15.45 | 15.83 | 15.45 | 15.77 | 185 | NASDAQ | QLYS | Wed, Jun 26, 2013 | 16.25 | 16.25 | 15.08 | 15.40 | 184 | NASDAQ | QLYS | Tue, Jun 25, 2013 | 15.73 | 16.22 | 15.60 | 16.16 | 183 | NASDAQ | QLYS | Mon, Jun 24, 2013 | 14.88 | 15.70 | 14.75 | 15.67 | 182 | NASDAQ | QLYS | Fri, Jun 21, 2013 | 15.09 | 15.39 | 14.99 | 15.17 | 181 | NASDAQ | QLYS | Thu, Jun 20, 2013 | 15.13 | 15.16 | 14.70 | 15.10 | 180 | NASDAQ | QLYS | Wed, Jun 19, 2013 | 14.89 | 15.04 | 14.53 | 14.97 | 179 | NASDAQ | QLYS | Tue, Jun 18, 2013 | 14.93 | 14.98 | 14.60 | 14.85 | 178 | NASDAQ | QLYS | Mon, Jun 17, 2013 | 14.58 | 14.96 | 14.31 | 14.90 | 177 | NASDAQ | QLYS | Fri, Jun 14, 2013 | 14.58 | 14.72 | 14.40 | 14.41 | 176 | NASDAQ | QLYS | Thu, Jun 13, 2013 | 14.83 | 14.84 | 14.48 | 14.56 | 175 | NASDAQ | QLYS | Wed, Jun 12, 2013 | 14.91 | 14.96 | 14.64 | 14.70 | 174 | NASDAQ | QLYS | Tue, Jun 11, 2013 | 14.81 | 15.06 | 14.72 | 14.86 | 173 | NASDAQ | QLYS | Mon, Jun 10, 2013 | 14.54 | 15.15 | 14.35 | 15.06 | 172 | NASDAQ | QLYS | Fri, Jun 7, 2013 | 14.08 | 14.60 | 13.94 | 14.53 | 171 | NASDAQ | QLYS | Thu, Jun 6, 2013 | 13.51 | 13.99 | 13.51 | 13.98 | 170 | NASDAQ | QLYS | Wed, Jun 5, 2013 | 13.41 | 13.85 | 13.41 | 13.55 | 169 | NASDAQ | QLYS | Tue, Jun 4, 2013 | 13.84 | 13.90 | 13.44 | 13.50 | 168 | NASDAQ | QLYS | Mon, Jun 3, 2013 | 14.11 | 14.41 | 13.56 | 13.86 | 167 | NASDAQ | QLYS | Fri, May 31, 2013 | 13.63 | 14.34 | 13.43 | 14.00 | 166 | NASDAQ | QLYS | Thu, May 30, 2013 | 13.95 | 14.31 | 13.86 | 14.21 | 165 | NASDAQ | QLYS | Wed, May 29, 2013 | 14.00 | 14.08 | 13.58 | 13.93 | 164 | NASDAQ | QLYS | Tue, May 28, 2013 | 14.25 | 14.25 | 13.72 | 14.18 | 163 | NASDAQ | QLYS | Fri, May 24, 2013 | 14.29 | 14.68 | 14.08 | 14.21 | 162 | NASDAQ | QLYS | Thu, May 23, 2013 | 13.76 | 14.74 | 13.70 | 14.48 | 161 | NASDAQ | QLYS | Wed, May 22, 2013 | 13.46 | 14.39 | 13.46 | 14.08 | 160 | NASDAQ | QLYS | Tue, May 21, 2013 | 13.41 | 13.67 | 13.21 | 13.61 | 159 | NASDAQ | QLYS | Mon, May 20, 2013 | 13.50 | 13.59 | 13.26 | 13.43 | 158 | NASDAQ | QLYS | Fri, May 17, 2013 | 13.82 | 14.12 | 13.54 | 13.66 | 157 | NASDAQ | QLYS | Thu, May 16, 2013 | 13.25 | 14.04 | 13.24 | 13.85 | 156 | NASDAQ | QLYS | Wed, May 15, 2013 | 12.54 | 13.28 | 12.54 | 13.25 | 155 | NASDAQ | QLYS | Tue, May 14, 2013 | 12.87 | 12.90 | 12.39 | 12.81 | 154 | NASDAQ | QLYS | Mon, May 13, 2013 | 11.09 | 12.99 | 11.09 | 12.94 | 153 | NASDAQ | QLYS | Fri, May 10, 2013 | 11.28 | 11.42 | 10.95 | 11.26 | 152 | NASDAQ | QLYS | Thu, May 9, 2013 | 10.76 | 11.41 | 10.76 | 11.37 | 151 | NASDAQ | QLYS | Wed, May 8, 2013 | 10.54 | 10.99 | 10.22 | 10.75 | 150 | NASDAQ | QLYS | Tue, May 7, 2013 | 11.00 | 11.57 | 10.80 | 10.93 | 149 | NASDAQ | QLYS | Mon, May 6, 2013 | 10.80 | 10.82 | 10.71 | 10.79 | 148 | NASDAQ | QLYS | Fri, May 3, 2013 | 10.90 | 10.90 | 10.65 | 10.78 | 147 | NASDAQ | QLYS | Thu, May 2, 2013 | 10.79 | 10.90 | 10.72 | 10.77 | 146 | NASDAQ | QLYS | Wed, May 1, 2013 | 10.99 | 10.94 | 10.77 | 10.77 | 145 | NASDAQ | QLYS | Tue, Apr 30, 2013 | 11.02 | 11.00 | 10.83 | 11.00 | 144 | NASDAQ | QLYS | Mon, Apr 29, 2013 | 10.84 | 11.00 | 10.84 | 11.00 | 143 | NASDAQ | QLYS | Fri, Apr 26, 2013 | 10.94 | 11.09 | 10.76 | 10.88 | 142 | NASDAQ | QLYS | Thu, Apr 25, 2013 | 11.26 | 11.26 | 10.15 | 11.02 | 141 | NASDAQ | QLYS | Wed, Apr 24, 2013 | 11.40 | 11.48 | 10.99 | 11.19 | 140 | NASDAQ | QLYS | Tue, Apr 23, 2013 | 11.50 | 11.61 | 11.27 | 11.40 | 139 | NASDAQ | QLYS | Mon, Apr 22, 2013 | 11.98 | 11.98 | 11.22 | 11.40 | 138 | NASDAQ | QLYS | Fri, Apr 19, 2013 | 11.40 | 11.94 | 11.40 | 11.86 | 137 | NASDAQ | QLYS | Thu, Apr 18, 2013 | 11.13 | 11.71 | 11.13 | 11.34 | 136 | NASDAQ | QLYS | Wed, Apr 17, 2013 | 11.38 | 11.67 | 10.76 | 10.94 | 135 | NASDAQ | QLYS | Tue, Apr 16, 2013 | 11.51 | 11.63 | 11.40 | 11.49 | 134 | NASDAQ | QLYS | Mon, Apr 15, 2013 | 11.80 | 11.69 | 11.28 | 11.44 | 133 | NASDAQ | QLYS | Fri, Apr 12, 2013 | 11.82 | 11.97 | 11.73 | 11.90 | 132 | NASDAQ | QLYS | Thu, Apr 11, 2013 | 11.78 | 11.98 | 11.67 | 11.97 | 131 | NASDAQ | QLYS | Wed, Apr 10, 2013 | 11.46 | 11.85 | 11.30 | 11.83 | 130 | NASDAQ | QLYS | Tue, Apr 9, 2013 | 11.65 | 11.81 | 11.31 | 11.40 | 129 | NASDAQ | QLYS | Mon, Apr 8, 2013 | 11.82 | 12.17 | 11.52 | 11.68 | 128 | NASDAQ | QLYS | Fri, Apr 5, 2013 | 11.88 | 11.90 | 11.73 | 11.77 | 127 | NASDAQ | QLYS | Thu, Apr 4, 2013 | 11.98 | 12.17 | 11.88 | 12.10 | 126 | NASDAQ | QLYS | Wed, Apr 3, 2013 | 11.98 | 12.16 | 11.77 | 12.00 | 125 | NASDAQ | QLYS | Tue, Apr 2, 2013 | 12.10 | 12.20 | 11.75 | 11.98 | 124 | NASDAQ | QLYS | Mon, Apr 1, 2013 | 12.24 | 12.49 | 12.01 | 12.16 | 123 | NASDAQ | QLYS | Thu, Mar 28, 2013 | 12.00 | 12.42 | 12.00 | 12.34 | 122 | NASDAQ | QLYS | Wed, Mar 27, 2013 | 11.07 | 12.27 | 11.07 | 12.13 | 121 | NASDAQ | QLYS | Tue, Mar 26, 2013 | 12.56 | 12.56 | 12.02 | 12.18 | 120 | NASDAQ | QLYS | Mon, Mar 25, 2013 | 12.48 | 12.66 | 12.33 | 12.53 | 119 | NASDAQ | QLYS | Fri, Mar 22, 2013 | 12.38 | 12.58 | 12.07 | 12.48 | 118 | NASDAQ | QLYS | Thu, Mar 21, 2013 | 11.51 | 12.64 | 11.51 | 12.39 | 117 | NASDAQ | QLYS | Wed, Mar 20, 2013 | 11.21 | 11.64 | 11.08 | 11.63 | 116 | NASDAQ | QLYS | Tue, Mar 19, 2013 | 11.51 | 11.66 | 11.07 | 11.11 | 115 | NASDAQ | QLYS | Mon, Mar 18, 2013 | 11.54 | 11.73 | 11.27 | 11.45 | 114 | NASDAQ | QLYS | Fri, Mar 15, 2013 | 12.13 | 12.57 | 11.60 | 11.71 | 113 | NASDAQ | QLYS | Thu, Mar 14, 2013 | 12.28 | 12.28 | 11.92 | 12.10 | 112 | NASDAQ | QLYS | Wed, Mar 13, 2013 | 12.59 | 12.65 | 12.00 | 12.23 | 111 | NASDAQ | QLYS | Tue, Mar 12, 2013 | 12.50 | 12.75 | 12.50 | 12.54 | 110 | NASDAQ | QLYS | Mon, Mar 11, 2013 | 12.47 | 12.74 | 12.47 | 12.55 | 109 | NASDAQ | QLYS | Fri, Mar 8, 2013 | 13.05 | 13.05 | 12.40 | 12.55 | 108 | NASDAQ | QLYS | Thu, Mar 7, 2013 | 12.19 | 12.93 | 12.16 | 12.90 | 107 | NASDAQ | QLYS | Wed, Mar 6, 2013 | 12.19 | 12.61 | 11.80 | 12.16 | 106 | NASDAQ | QLYS | Tue, Mar 5, 2013 | 12.48 | 12.91 | 11.81 | 12.21 | 105 | NASDAQ | QLYS | Mon, Mar 4, 2013 | 12.26 | 12.46 | 12.14 | 12.40 | 104 | NASDAQ | QLYS | Fri, Mar 1, 2013 | 11.90 | 12.33 | 11.89 | 12.25 | 103 | NASDAQ | QLYS | Thu, Feb 28, 2013 | 12.11 | 12.50 | 11.44 | 11.86 | 102 | NASDAQ | QLYS | Wed, Feb 27, 2013 | 11.90 | 12.32 | 11.77 | 12.19 | 101 | NASDAQ | QLYS | Tue, Feb 26, 2013 | 11.61 | 12.42 | 11.57 | 11.83 | 100 | NASDAQ | QLYS | Mon, Feb 25, 2013 | 12.43 | 12.55 | 11.59 | 11.59 | 99 | NASDAQ | QLYS | Fri, Feb 22, 2013 | 12.40 | 12.91 | 12.13 | 12.33 | 98 | NASDAQ | QLYS | Thu, Feb 21, 2013 | 12.30 | 12.66 | 11.89 | 12.31 | 97 | NASDAQ | QLYS | Wed, Feb 20, 2013 | 13.20 | 13.25 | 12.26 | 12.35 | 96 | NASDAQ | QLYS | Tue, Feb 19, 2013 | 13.18 | 13.44 | 12.88 | 13.20 | 95 | NASDAQ | QLYS | Fri, Feb 15, 2013 | 12.75 | 13.16 | 12.70 | 13.09 | 94 | NASDAQ | QLYS | Thu, Feb 14, 2013 | 12.13 | 12.74 | 12.13 | 12.68 | 93 | NASDAQ | QLYS | Wed, Feb 13, 2013 | 12.11 | 12.44 | 12.01 | 12.12 | 92 | NASDAQ | QLYS | Tue, Feb 12, 2013 | 12.47 | 12.47 | 10.18 | 12.13 | 91 | NASDAQ | QLYS | Mon, Feb 11, 2013 | 12.80 | 12.89 | 12.42 | 12.72 | 90 | NASDAQ | QLYS | Fri, Feb 8, 2013 | 12.65 | 12.76 | 12.40 | 12.65 | 89 | NASDAQ | QLYS | Thu, Feb 7, 2013 | 12.84 | 12.84 | 12.37 | 12.68 | 88 | NASDAQ | QLYS | Wed, Feb 6, 2013 | 12.14 | 13.12 | 12.11 | 12.81 | 87 | NASDAQ | QLYS | Tue, Feb 5, 2013 | 12.76 | 12.84 | 12.02 | 12.12 | 86 | NASDAQ | QLYS | Mon, Feb 4, 2013 | 13.20 | 13.57 | 12.62 | 12.64 | 85 | NASDAQ | QLYS | Fri, Feb 1, 2013 | 13.19 | 13.97 | 13.10 | 13.20 | 84 | NASDAQ | QLYS | Thu, Jan 31, 2013 | 13.80 | 13.80 | 13.08 | 13.10 | 83 | NASDAQ | QLYS | Wed, Jan 30, 2013 | 13.31 | 13.89 | 13.09 | 13.79 | 82 | NASDAQ | QLYS | Tue, Jan 29, 2013 | 14.00 | 14.06 | 13.42 | 13.48 | 81 | NASDAQ | QLYS | Mon, Jan 28, 2013 | 14.71 | 14.71 | 14.00 | 14.05 | 80 | NASDAQ | QLYS | Fri, Jan 25, 2013 | 14.88 | 15.01 | 14.25 | 14.64 | 79 | NASDAQ | QLYS | Thu, Jan 24, 2013 | 15.09 | 15.09 | 14.59 | 14.78 | 78 | NASDAQ | QLYS | Wed, Jan 23, 2013 | 15.57 | 15.83 | 14.89 | 15.11 | 77 | NASDAQ | QLYS | Tue, Jan 22, 2013 | 15.57 | 15.63 | 15.16 | 15.54 | 76 | NASDAQ | QLYS | Fri, Jan 18, 2013 | 15.24 | 15.70 | 15.05 | 15.65 | 75 | NASDAQ | QLYS | Thu, Jan 17, 2013 | 14.91 | 15.33 | 14.50 | 15.33 | 74 | NASDAQ | QLYS | Wed, Jan 16, 2013 | 15.21 | 15.29 | 14.44 | 14.84 | 73 | NASDAQ | QLYS | Tue, Jan 15, 2013 | 15.45 | 15.68 | 15.25 | 15.29 | 72 | NASDAQ | QLYS | Mon, Jan 14, 2013 | 15.73 | 15.73 | 15.05 | 15.58 | 71 | NASDAQ | QLYS | Fri, Jan 11, 2013 | 16.15 | 16.28 | 14.18 | 15.70 | 70 | NASDAQ | QLYS | Thu, Jan 10, 2013 | 16.10 | 16.27 | 15.46 | 16.17 | 69 | NASDAQ | QLYS | Wed, Jan 9, 2013 | 15.79 | 16.33 | 15.68 | 15.97 | 68 | NASDAQ | QLYS | Tue, Jan 8, 2013 | 16.25 | 16.34 | 14.97 | 15.79 | 67 | NASDAQ | QLYS | Mon, Jan 7, 2013 | 15.87 | 16.38 | 15.80 | 16.24 | 66 | NASDAQ | QLYS | Fri, Jan 4, 2013 | 15.60 | 16.18 | 15.41 | 16.05 | 65 | NASDAQ | QLYS | Thu, Jan 3, 2013 | 15.58 | 15.84 | 14.68 | 15.50 | 64 | NASDAQ | QLYS | Wed, Jan 2, 2013 | 15.10 | 15.82 | 14.74 | 15.61 | 63 | NASDAQ | QLYS | Mon, Dec 31, 2012 | 14.19 | 14.88 | 13.79 | 14.79 | 62 | NASDAQ | QLYS | Fri, Dec 28, 2012 | 13.64 | 14.54 | 13.64 | 14.37 | 61 | NASDAQ | QLYS | Thu, Dec 27, 2012 | 13.22 | 13.97 | 13.14 | 13.67 | 60 | NASDAQ | QLYS | Wed, Dec 26, 2012 | 13.70 | 13.90 | 13.03 | 13.17 | 59 | NASDAQ | QLYS | Mon, Dec 24, 2012 | 13.76 | 14.00 | 12.98 | 13.70 | 58 | NASDAQ | QLYS | Fri, Dec 21, 2012 | 13.00 | 13.95 | 12.72 | 13.85 | 57 | NASDAQ | QLYS | Thu, Dec 20, 2012 | 13.78 | 14.20 | 12.74 | 13.58 | 56 | NASDAQ | QLYS | Wed, Dec 19, 2012 | 13.41 | 14.00 | 12.50 | 13.76 | 55 | NASDAQ | QLYS | Tue, Dec 18, 2012 | 13.22 | 13.56 | 12.51 | 13.41 | 54 | NASDAQ | QLYS | Mon, Dec 17, 2012 | 13.24 | 13.40 | 12.55 | 13.21 | 53 | NASDAQ | QLYS | Fri, Dec 14, 2012 | 13.31 | 13.31 | 12.51 | 12.87 | 52 | NASDAQ | QLYS | Thu, Dec 13, 2012 | 12.44 | 12.87 | 12.43 | 12.67 | 51 | NASDAQ | QLYS | Wed, Dec 12, 2012 | 11.79 | 12.42 | 11.70 | 12.39 | 50 | NASDAQ | QLYS | Tue, Dec 11, 2012 | 11.45 | 11.99 | 11.16 | 11.69 | 49 | NASDAQ | QLYS | Mon, Dec 10, 2012 | 12.00 | 12.02 | 11.22 | 11.34 | 48 | NASDAQ | QLYS | Fri, Dec 7, 2012 | 12.02 | 12.36 | 12.00 | 12.10 | 47 | NASDAQ | QLYS | Thu, Dec 6, 2012 | 12.91 | 13.11 | 12.10 | 12.20 | 46 | NASDAQ | QLYS | Wed, Dec 5, 2012 | 12.75 | 13.50 | 12.74 | 12.91 | 45 | NASDAQ | QLYS | Tue, Dec 4, 2012 | 13.37 | 13.37 | 12.74 | 12.88 | 44 | NASDAQ | QLYS | Mon, Dec 3, 2012 | 13.44 | 13.75 | 13.38 | 13.38 | 43 | NASDAQ | QLYS | Fri, Nov 30, 2012 | 13.48 | 13.50 | 12.52 | 13.38 | 42 | NASDAQ | QLYS | Thu, Nov 29, 2012 | 12.50 | 13.60 | 12.14 | 13.18 | 41 | NASDAQ | QLYS | Wed, Nov 28, 2012 | 12.21 | 12.49 | 11.91 | 12.28 | 40 | NASDAQ | QLYS | Tue, Nov 27, 2012 | 12.52 | 12.69 | 12.05 | 12.21 | 39 | NASDAQ | QLYS | Mon, Nov 26, 2012 | 12.23 | 12.67 | 12.01 | 12.41 | 38 | NASDAQ | QLYS | Fri, Nov 23, 2012 | 12.10 | 12.32 | 12.00 | 12.29 | 37 | NASDAQ | QLYS | Wed, Nov 21, 2012 | 12.22 | 12.35 | 12.15 | 12.16 | 36 | NASDAQ | QLYS | Tue, Nov 20, 2012 | 12.14 | 12.30 | 11.95 | 12.16 | 35 | NASDAQ | QLYS | Mon, Nov 19, 2012 | 12.37 | 12.37 | 11.95 | 12.15 | 34 | NASDAQ | QLYS | Fri, Nov 16, 2012 | 12.00 | 12.41 | 11.91 | 12.30 | 33 | NASDAQ | QLYS | Thu, Nov 15, 2012 | 12.03 | 12.03 | 11.67 | 11.91 | 32 | NASDAQ | QLYS | Wed, Nov 14, 2012 | 11.79 | 12.17 | 11.70 | 12.04 | 31 | NASDAQ | QLYS | Tue, Nov 13, 2012 | 11.36 | 12.07 | 11.19 | 11.94 | 30 | NASDAQ | QLYS | Mon, Nov 12, 2012 | 12.00 | 12.24 | 11.50 | 11.75 | 29 | NASDAQ | QLYS | Fri, Nov 9, 2012 | 11.59 | 12.21 | 11.26 | 11.85 | 28 | NASDAQ | QLYS | Thu, Nov 8, 2012 | 13.08 | 13.08 | 11.07 | 11.55 | 27 | NASDAQ | QLYS | Wed, Nov 7, 2012 | 13.25 | 13.55 | 13.05 | 13.08 | 26 | NASDAQ | QLYS | Tue, Nov 6, 2012 | 13.43 | 13.43 | 12.62 | 13.25 | 25 | NASDAQ | QLYS | Mon, Nov 5, 2012 | 13.23 | 13.42 | 12.08 | 12.42 | 24 | NASDAQ | QLYS | Fri, Nov 2, 2012 | 13.52 | 13.57 | 12.88 | 12.98 | 23 | NASDAQ | QLYS | Thu, Nov 1, 2012 | 13.25 | 13.63 | 13.20 | 13.60 | 22 | NASDAQ | QLYS | Wed, Oct 31, 2012 | 14.33 | 14.50 | 12.54 | 12.98 | 21 | NASDAQ | QLYS | Fri, Oct 26, 2012 | 14.53 | 14.53 | 14.16 | 14.20 | 20 | NASDAQ | QLYS | Thu, Oct 25, 2012 | 14.23 | 14.43 | 14.15 | 14.29 | 19 | NASDAQ | QLYS | Wed, Oct 24, 2012 | 14.89 | 14.97 | 14.07 | 14.40 | 18 | NASDAQ | QLYS | Tue, Oct 23, 2012 | 14.70 | 14.86 | 14.50 | 14.71 | 17 | NASDAQ | QLYS | Mon, Oct 22, 2012 | 14.74 | 14.95 | 14.05 | 14.89 | 16 | NASDAQ | QLYS | Fri, Oct 19, 2012 | 14.61 | 14.99 | 14.02 | 14.22 | 15 | NASDAQ | QLYS | Thu, Oct 18, 2012 | 14.20 | 14.87 | 13.96 | 14.69 | 14 | NASDAQ | QLYS | Wed, Oct 17, 2012 | 14.29 | 14.29 | 13.95 | 14.10 | 13 | NASDAQ | QLYS | Tue, Oct 16, 2012 | 14.29 | 14.29 | 13.89 | 14.01 | 12 | NASDAQ | QLYS | Mon, Oct 15, 2012 | 13.81 | 14.09 | 13.70 | 13.96 | 11 | NASDAQ | QLYS | Fri, Oct 12, 2012 | 13.60 | 13.74 | 13.60 | 13.64 | 10 | NASDAQ | QLYS | Thu, Oct 11, 2012 | 13.49 | 13.70 | 13.46 | 13.56 | 9 | NASDAQ | QLYS | Wed, Oct 10, 2012 | 13.49 | 13.75 | 13.49 | 13.51 | 8 | NASDAQ | QLYS | Tue, Oct 9, 2012 | 13.85 | 13.85 | 13.51 | 13.55 | 7 | NASDAQ | QLYS | Mon, Oct 8, 2012 | 13.60 | 13.90 | 13.51 | 13.67 | 6 | NASDAQ | QLYS | Fri, Oct 5, 2012 | 13.60 | 13.87 | 13.40 | 13.60 | 5 | NASDAQ | QLYS | Thu, Oct 4, 2012 | 13.64 | 14.22 | 13.33 | 13.60 | 4 | NASDAQ | QLYS | Wed, Oct 3, 2012 | 13.64 | 13.95 | 13.40 | 13.51 | 3 | NASDAQ | QLYS | Tue, Oct 2, 2012 | 13.95 | 14.34 | 13.53 | 13.69 | 2 | NASDAQ | QLYS | Mon, Oct 1, 2012 | 14.49 | 15.25 | 13.80 | 13.95 | 1 | NASDAQ | QLYS | Fri, Sep 28, 2012 | 12.00 | 14.85 | 12.00 | 14.16 |
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# | Exchange | Symbol | Date | Open | High | Low | Close |
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