If you invested $1000 in Qualys, Inc. (QLYS) 10 years ago, it would be worth $4,774.08 as of August 03, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,388.09, while $1000 invested 1 year ago would be worth $1,065.75. This corresponds to total returns of 377.41%, 38.81%, 6.57%, respectively, with annualized returns of 16.91%, 6.77%, 6.57%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| July 31, 2026 | 141.71 | 144.75 | 144.75 | 145.33 | 137.81 | 658,747 |
| July 30, 2026 | 131.99 | 141.71 | 141.71 | 143.41 | 131 | 1.05M |
| July 29, 2026 | 137.35 | 135.13 | 135.13 | 138.55 | 133.03 | 719,999 |
| July 28, 2026 | 135.01 | 135.75 | 135.75 | 139.12 | 131.91 | 641,352 |
| July 27, 2026 | 138.86 | 134.79 | 134.79 | 140.6 | 134.64 | 786,009 |
| July 23, 2026 | 142.12 | 133.74 | 133.74 | 142.44 | 133.04 | 748,954 |
| July 22, 2026 | 145.15 | 140.23 | 140.23 | 147.49 | 138.76 | 699,393 |
| July 21, 2026 | 155.66 | 143.78 | 143.78 | 155.66 | 141.91 | 1.16M |
| July 20, 2026 | 158.19 | 156.37 | 156.37 | 160.78 | 155.77 | 492,307 |
| July 17, 2026 | 155.45 | 159.43 | 159.43 | 160.84 | 154.01 | 824,206 |
| July 16, 2026 | 161.95 | 157.56 | 157.56 | 161.97 | 155.97 | 542,135 |
| July 15, 2026 | 164.25 | 159.32 | 159.32 | 167.86 | 155.43 | 565,301 |
| July 14, 2026 | 148.38 | 164.12 | 164.12 | 164.21 | 148.38 | 765,726 |
| July 13, 2026 | 154.42 | 151.54 | 151.54 | 155.4 | 148.31 | 705,807 |
| July 10, 2026 | 160.24 | 152.69 | 152.69 | 162.18 | 151.96 | 658,657 |
| July 09, 2026 | 150.1 | 159.39 | 159.39 | 159.39 | 148.01 | 522,183 |
| July 08, 2026 | 155.57 | 153.54 | 153.54 | 157.72 | 153.29 | 802,374 |
| July 07, 2026 | 159.61 | 157.55 | 157.55 | 164.17 | 157.32 | 933,924 |
| July 06, 2026 | 151.5 | 158.26 | 158.26 | 159.35 | 151.11 | 1.01M |
| July 02, 2026 | 143.44 | 148.12 | 148.12 | 148.42 | 141 | 1.04M |
| July 01, 2026 | 141.34 | 143.44 | 143.44 | 148 | 139.84 | 841,269 |
| June 30, 2026 | 129.61 | 137.49 | 137.49 | 141.52 | 129.48 | 1.83M |
| June 29, 2026 | 124.13 | 128.32 | 128.32 | 129.7 | 123.71 | 780,928 |
| June 26, 2026 | 116.37 | 123.27 | 123.27 | 124.17 | 116.37 | 1.68M |
| June 25, 2026 | 114.83 | 116.19 | 116.19 | 118.5 | 112.6 | 463,523 |
| June 24, 2026 | 112.58 | 115.34 | 115.34 | 115.82 | 112.5 | 504,916 |
| June 23, 2026 | 110.4 | 112.33 | 112.33 | 114.82 | 110.4 | 558,398 |
| June 22, 2026 | 110.55 | 108.51 | 108.51 | 114.16 | 106.79 | 710,279 |
| June 18, 2026 | 111.75 | 111.3 | 111.3 | 112.41 | 107.96 | 1.29M |
| June 17, 2026 | 112.36 | 112.18 | 112.18 | 114.95 | 111 | 813,357 |
| June 16, 2026 | 114.84 | 113.67 | 113.67 | 117.91 | 112.74 | 835,749 |
| June 15, 2026 | 111.3 | 114.65 | 114.65 | 116.51 | 110.5 | 875,217 |
| June 12, 2026 | 110.75 | 111.24 | 111.24 | 113.78 | 109 | 536,291 |
| June 11, 2026 | 108.93 | 110.83 | 110.83 | 111.8 | 107.25 | 482,592 |
| June 10, 2026 | 108.62 | 110.2 | 110.2 | 112.8 | 107.88 | 527,567 |
| June 09, 2026 | 108.66 | 109.71 | 109.71 | 109.92 | 107.4 | 693,208 |
| June 08, 2026 | 108.96 | 110.31 | 110.31 | 110.49 | 106.75 | 523,318 |
| June 05, 2026 | 112.02 | 109.9 | 109.9 | 113.1 | 107.1 | 589,306 |
| June 04, 2026 | 112.36 | 111.53 | 111.53 | 114.1 | 111.15 | 672,377 |
| June 03, 2026 | 111.55 | 111.61 | 111.61 | 112.82 | 109.36 | 941,542 |
| June 02, 2026 | 109.41 | 113.42 | 113.42 | 113.66 | 108.2 | 560,079 |
| June 01, 2026 | 112.3 | 114.02 | 114.02 | 115.89 | 110.97 | 979,262 |
| May 29, 2026 | 101.09 | 109.29 | 109.29 | 110.12 | 101.09 | 987,287 |
| May 28, 2026 | 99.37 | 100.37 | 100.37 | 101.31 | 98.41 | 504,927 |
| May 27, 2026 | 100.12 | 98.32 | 98.32 | 101.45 | 98.28 | 515,339 |
| May 26, 2026 | 101.5 | 102.31 | 102.31 | 103.54 | 99.7 | 431,892 |
| May 22, 2026 | 101.21 | 102.37 | 102.37 | 104.52 | 101.13 | 546,369 |
| May 21, 2026 | 98.73 | 100.85 | 100.85 | 101.21 | 97.46 | 665,833 |
| May 20, 2026 | 98.27 | 100.55 | 100.55 | 101.52 | 97.46 | 685,168 |
| May 19, 2026 | 99.69 | 100.09 | 100.09 | 101.78 | 97.95 | 942,178 |
| May 18, 2026 | 90.36 | 97.98 | 97.98 | 98.41 | 89.49 | 1.06M |
| May 15, 2026 | 88.17 | 90.02 | 90.02 | 90.79 | 86.73 | 531,045 |
| May 14, 2026 | 86.99 | 86.73 | 86.73 | 88.11 | 84.63 | 691,464 |
| May 13, 2026 | 89.22 | 86.5 | 86.5 | 90 | 85.27 | 772,609 |
| May 12, 2026 | 92.82 | 90.12 | 90.12 | 92.82 | 89.26 | 580,805 |
| May 11, 2026 | 93.71 | 91.53 | 91.53 | 94.14 | 87.52 | 827,279 |
| May 08, 2026 | 93.65 | 94.28 | 94.28 | 95.72 | 90.33 | 1.11M |
| May 07, 2026 | 93 | 94.97 | 94.97 | 95.61 | 92.1 | 1.3M |
| May 06, 2026 | 90.24 | 90.84 | 90.84 | 91.11 | 84.31 | 1.17M |
| May 05, 2026 | 92 | 92.14 | 92.14 | 92.96 | 89.56 | 812,643 |