If you invested $1000 in Qualys, Inc. (QLYS) 10 years ago, it would be worth $5,478.95 as of October 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,753.12, while $1000 invested 1 year ago would be worth $1,627.83. This corresponds to total returns of 447.89%, 75.31%, 62.78%, respectively, with annualized returns of 18.54%, 11.89%, 62.78%.
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 |
|---|---|---|---|---|---|---|
| October 22, 2026 | 197.06 | 208.2 | 208.2 | 210.1 | 197.06 | 1.18M |
| October 21, 2026 | 190.79 | 196.7 | 196.7 | 200.67 | 189.86 | 808,248 |
| October 20, 2026 | 189.32 | 190.47 | 190.47 | 191.39 | 183.45 | 475,426 |
| October 19, 2026 | 184.18 | 190.08 | 190.08 | 190.9 | 184.08 | 618,316 |
| October 16, 2026 | 193.56 | 181.05 | 181.05 | 197.23 | 177.57 | 1.02M |
| October 15, 2026 | 185.88 | 192.65 | 192.65 | 193.27 | 184.8 | 524,969 |
| October 14, 2026 | 192.96 | 189.63 | 189.63 | 196.13 | 187.38 | 602,944 |
| October 13, 2026 | 195.49 | 198.11 | 198.11 | 201.99 | 195.49 | 630,414 |
| October 12, 2026 | 204.33 | 196.77 | 196.77 | 206.25 | 193.34 | 564,596 |
| October 09, 2026 | 195.92 | 202.42 | 202.42 | 202.97 | 195.63 | 658,678 |
| October 08, 2026 | 194.94 | 193.86 | 193.86 | 201.79 | 187.21 | 865,705 |
| October 07, 2026 | 198.33 | 194.75 | 194.75 | 199.79 | 190.21 | 742,645 |
| October 06, 2026 | 200.01 | 199.93 | 199.93 | 204.41 | 195.78 | 736,254 |
| October 05, 2026 | 192.53 | 198.68 | 198.68 | 198.9 | 192.45 | 745,953 |
| October 02, 2026 | 188.87 | 193 | 193 | 195.4 | 188.87 | 477,393 |
| October 01, 2026 | 188.93 | 187.43 | 187.43 | 190.92 | 184.38 | 653,865 |
| September 30, 2026 | 179.14 | 187.2 | 187.2 | 190.27 | 178.23 | 648,306 |
| September 29, 2026 | 171.22 | 178.35 | 178.35 | 178.68 | 170.91 | 499,939 |
| September 28, 2026 | 168.79 | 173.83 | 173.83 | 175.63 | 168.06 | 600,547 |
| September 25, 2026 | 182.1 | 172.43 | 172.43 | 182.1 | 172.01 | 580,611 |
| September 24, 2026 | 185.42 | 182.94 | 182.94 | 190 | 182.69 | 379,341 |
| September 23, 2026 | 184.19 | 184.79 | 184.79 | 186.64 | 180.23 | 519,905 |
| September 22, 2026 | 183.86 | 183.32 | 183.32 | 186.55 | 177.92 | 723,974 |
| September 21, 2026 | 175.63 | 181.03 | 181.03 | 181.77 | 173.9 | 392,102 |
| September 18, 2026 | 178.44 | 174.96 | 174.96 | 179.71 | 172.23 | 1.54M |
| September 17, 2026 | 180.82 | 178.08 | 178.08 | 184.39 | 176.99 | 701,222 |
| September 16, 2026 | 179.6 | 183.06 | 183.06 | 184.46 | 177.74 | 812,330 |
| September 15, 2026 | 170.11 | 185.37 | 185.37 | 187 | 170.11 | 1.2M |
| September 11, 2026 | 160.23 | 150.28 | 150.28 | 160.29 | 149.13 | 1.17M |
| September 10, 2026 | 167.58 | 161.57 | 161.57 | 173.56 | 160.61 | 856,081 |
| September 09, 2026 | 169.19 | 170.17 | 170.17 | 171.68 | 167.5 | 605,738 |
| September 08, 2026 | 169.73 | 170.32 | 170.32 | 173.04 | 165.51 | 550,397 |
| September 04, 2026 | 172.51 | 171.65 | 171.65 | 175 | 170.42 | 441,761 |
| September 03, 2026 | 173.26 | 174.35 | 174.35 | 174.89 | 168.71 | 522,814 |
| September 02, 2026 | 175.27 | 170.83 | 170.83 | 181.16 | 166.37 | 967,281 |
| September 01, 2026 | 183.25 | 177.01 | 177.01 | 187.53 | 176.28 | 841,125 |
| August 31, 2026 | 187 | 186.14 | 186.14 | 190.52 | 184.31 | 661,090 |
| August 28, 2026 | 186.42 | 187.05 | 187.05 | 188.23 | 183.52 | 479,955 |
| August 27, 2026 | 182.02 | 188.59 | 188.59 | 190.99 | 180 | 935,050 |
| August 26, 2026 | 174.21 | 176.67 | 176.67 | 178.64 | 172.75 | 330,533 |
| August 25, 2026 | 178.34 | 175.94 | 175.94 | 180 | 173.54 | 460,927 |
| August 24, 2026 | 182.18 | 178.46 | 178.46 | 182.95 | 175.61 | 440,919 |
| August 21, 2026 | 181.75 | 181.98 | 181.98 | 183.59 | 176.61 | 511,225 |
| August 20, 2026 | 185 | 182.21 | 182.21 | 187.28 | 181.54 | 399,282 |
| August 19, 2026 | 188.03 | 186.68 | 186.68 | 188.73 | 181.47 | 447,606 |
| August 18, 2026 | 185.62 | 187.98 | 187.98 | 188.81 | 182.79 | 544,324 |
| August 17, 2026 | 184.12 | 183.31 | 183.31 | 185.23 | 178.26 | 770,259 |
| August 14, 2026 | 196.3 | 186.05 | 186.05 | 196.72 | 185.79 | 565,308 |
| August 13, 2026 | 188.59 | 195.88 | 195.88 | 196.59 | 186.71 | 643,096 |
| August 12, 2026 | 185.13 | 187.15 | 187.15 | 188.84 | 183.28 | 513,299 |
| August 11, 2026 | 185.8 | 188.31 | 188.31 | 189.6 | 180.4 | 722,605 |
| August 10, 2026 | 182.15 | 185.8 | 185.8 | 192.73 | 182.09 | 923,213 |
| August 07, 2026 | 183.45 | 183.48 | 183.48 | 184.39 | 178.3 | 742,945 |
| August 06, 2026 | 180 | 181.78 | 181.78 | 184.4 | 174.96 | 1.26M |
| August 05, 2026 | 198.42 | 183.25 | 183.25 | 201.54 | 181.09 | 1.62M |
| August 04, 2026 | 152.26 | 161.06 | 161.06 | 162.74 | 150.62 | 1.04M |
| August 03, 2026 | 147.95 | 154.89 | 154.89 | 155.74 | 146.36 | 959,752 |
| 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 |