Qualys, Inc. (QLYS)
NASDAQ: QLYS · Real-Time Price · USD
85.70
+0.54 (0.63%)
Apr 28, 2026, 4:00 PM EDT - Market closed
Qualys Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 86.46 | 87.34 | 84.90 | 85.70 | 85.70 | 0.63% | 528,657 |
| Apr 27, 2026 | 84.33 | 86.34 | 83.76 | 85.16 | 85.16 | 0.97% | 483,803 |
| Apr 24, 2026 | 83.87 | 84.59 | 82.12 | 84.34 | 84.34 | 0.36% | 445,831 |
| Apr 23, 2026 | 86.46 | 87.84 | 82.07 | 84.04 | 84.04 | -5.26% | 618,411 |
| Apr 22, 2026 | 86.55 | 89.14 | 86.00 | 88.71 | 88.71 | 2.82% | 656,583 |
| Apr 21, 2026 | 82.37 | 88.05 | 82.34 | 86.28 | 86.28 | 5.22% | 989,269 |
| Apr 20, 2026 | 82.89 | 84.55 | 81.40 | 82.00 | 82.00 | -1.41% | 1,135,399 |
| Apr 17, 2026 | 85.48 | 86.00 | 82.56 | 83.17 | 83.17 | -1.09% | 1,368,956 |
| Apr 16, 2026 | 86.27 | 87.37 | 82.73 | 84.09 | 84.09 | -1.27% | 950,709 |
| Apr 15, 2026 | 84.39 | 87.09 | 84.20 | 85.17 | 85.17 | 2.34% | 821,351 |
| Apr 14, 2026 | 81.68 | 84.41 | 81.68 | 83.22 | 83.22 | 2.24% | 1,275,847 |
| Apr 13, 2026 | 76.62 | 81.47 | 76.36 | 81.40 | 81.40 | 6.82% | 1,308,481 |
| Apr 10, 2026 | 77.41 | 79.11 | 74.74 | 76.20 | 76.20 | -0.63% | 1,202,724 |
| Apr 9, 2026 | 86.00 | 86.45 | 74.51 | 76.68 | 76.68 | -12.23% | 1,701,259 |
| Apr 8, 2026 | 88.98 | 90.56 | 86.04 | 87.36 | 87.36 | -1.00% | 1,023,817 |
| Apr 7, 2026 | 90.51 | 92.02 | 87.45 | 88.24 | 88.24 | -2.30% | 943,272 |
| Apr 6, 2026 | 88.42 | 90.93 | 87.64 | 90.32 | 90.32 | 2.22% | 446,778 |
| Apr 2, 2026 | 87.11 | 89.84 | 85.96 | 88.36 | 88.36 | 2.50% | 736,674 |
| Apr 1, 2026 | 88.52 | 88.85 | 85.08 | 86.21 | 86.21 | -1.87% | 821,108 |
| Mar 31, 2026 | 88.64 | 89.00 | 85.31 | 87.85 | 87.85 | -0.08% | 916,039 |
| Mar 30, 2026 | 86.28 | 89.16 | 86.28 | 87.92 | 87.92 | 2.67% | 721,714 |
| Mar 27, 2026 | 88.63 | 89.76 | 82.06 | 85.63 | 85.63 | -6.01% | 1,080,238 |
| Mar 26, 2026 | 89.37 | 92.54 | 89.00 | 91.11 | 91.11 | 1.35% | 432,596 |
| Mar 25, 2026 | 93.49 | 94.02 | 89.54 | 89.90 | 89.90 | -2.59% | 513,595 |
| Mar 24, 2026 | 96.27 | 96.55 | 91.13 | 92.29 | 92.29 | -5.19% | 679,544 |
| Mar 23, 2026 | 97.57 | 99.59 | 95.31 | 97.34 | 97.34 | 0.93% | 511,332 |
| Mar 20, 2026 | 95.89 | 97.34 | 93.66 | 96.44 | 96.44 | -0.16% | 1,692,527 |
| Mar 19, 2026 | 96.92 | 98.73 | 95.01 | 96.59 | 96.59 | -0.05% | 519,606 |
| Mar 18, 2026 | 94.01 | 97.27 | 93.84 | 96.64 | 96.64 | 1.64% | 455,645 |
| Mar 17, 2026 | 94.97 | 100.00 | 94.68 | 95.08 | 95.08 | 0.09% | 573,146 |
| Mar 16, 2026 | 98.01 | 99.66 | 94.65 | 94.99 | 94.99 | -4.73% | 766,127 |
| Mar 13, 2026 | 97.00 | 103.00 | 96.86 | 99.71 | 99.71 | 2.80% | 599,863 |
| Mar 12, 2026 | 96.00 | 98.86 | 96.00 | 96.99 | 96.99 | 0.34% | 592,211 |
| Mar 11, 2026 | 96.52 | 98.65 | 94.28 | 96.66 | 96.66 | 1.34% | 331,216 |
| Mar 10, 2026 | 96.61 | 96.61 | 93.44 | 95.38 | 95.38 | -1.02% | 322,963 |
| Mar 9, 2026 | 97.32 | 98.20 | 94.89 | 96.36 | 96.36 | -2.33% | 699,227 |
| Mar 6, 2026 | 98.24 | 99.87 | 95.85 | 98.66 | 98.66 | -0.79% | 484,253 |
| Mar 5, 2026 | 97.65 | 101.50 | 97.65 | 99.45 | 99.45 | 1.40% | 588,238 |
| Mar 4, 2026 | 97.39 | 99.17 | 96.30 | 98.08 | 98.08 | 0.71% | 618,294 |
| Mar 3, 2026 | 93.08 | 98.44 | 92.76 | 97.39 | 97.39 | 2.96% | 512,793 |
| Mar 2, 2026 | 92.44 | 96.69 | 91.81 | 94.59 | 94.59 | 2.29% | 801,902 |
| Feb 27, 2026 | 90.83 | 92.90 | 89.94 | 92.47 | 92.47 | -1.29% | 872,691 |
| Feb 26, 2026 | 91.87 | 96.91 | 91.63 | 93.68 | 93.68 | 2.67% | 1,067,178 |
| Feb 25, 2026 | 87.99 | 91.63 | 87.71 | 91.24 | 91.24 | 5.08% | 1,045,273 |
| Feb 24, 2026 | 87.00 | 89.30 | 86.18 | 86.83 | 86.83 | 0.21% | 807,697 |
| Feb 23, 2026 | 92.27 | 92.27 | 85.14 | 86.65 | 86.65 | -6.49% | 1,473,607 |
| Feb 20, 2026 | 103.20 | 105.34 | 92.05 | 92.66 | 92.66 | -10.21% | 1,490,995 |
| Feb 19, 2026 | 104.05 | 104.06 | 101.96 | 103.20 | 103.20 | -1.14% | 615,762 |
| Feb 18, 2026 | 102.99 | 105.20 | 101.61 | 104.39 | 104.39 | 0.46% | 632,286 |
| Feb 17, 2026 | 105.31 | 105.85 | 102.11 | 103.91 | 103.91 | -0.95% | 766,823 |
| Feb 13, 2026 | 104.93 | 108.26 | 104.22 | 104.91 | 104.91 | 0.11% | 1,194,031 |
| Feb 12, 2026 | 110.21 | 111.79 | 104.56 | 104.79 | 104.79 | -4.98% | 896,040 |
| Feb 11, 2026 | 112.26 | 114.01 | 108.27 | 110.28 | 110.28 | -2.74% | 674,091 |
| Feb 10, 2026 | 109.67 | 114.34 | 109.67 | 113.39 | 113.39 | 3.88% | 869,736 |
| Feb 9, 2026 | 110.40 | 113.53 | 107.17 | 109.15 | 109.15 | -1.49% | 1,153,508 |
| Feb 6, 2026 | 126.91 | 131.31 | 109.72 | 110.80 | 110.80 | -13.31% | 2,105,847 |
| Feb 5, 2026 | 130.75 | 133.33 | 127.02 | 127.81 | 127.81 | -1.06% | 827,632 |
| Feb 4, 2026 | 126.01 | 130.92 | 124.43 | 129.18 | 129.18 | 1.30% | 754,811 |
| Feb 3, 2026 | 132.43 | 133.45 | 125.90 | 127.52 | 127.52 | -5.54% | 634,980 |
| Feb 2, 2026 | 131.00 | 137.49 | 131.00 | 135.00 | 135.00 | 2.35% | 722,815 |
| Jan 30, 2026 | 131.95 | 132.88 | 130.22 | 131.90 | 131.90 | -0.17% | 572,102 |
| Jan 29, 2026 | 131.27 | 132.36 | 128.44 | 132.12 | 132.12 | -0.43% | 514,244 |
| Jan 28, 2026 | 133.00 | 134.33 | 131.96 | 132.69 | 132.69 | -0.23% | 300,149 |
| Jan 27, 2026 | 132.82 | 133.85 | 130.75 | 133.00 | 133.00 | 0.62% | 312,532 |
| Jan 26, 2026 | 129.43 | 133.00 | 128.55 | 132.18 | 132.18 | 2.63% | 560,725 |
| Jan 23, 2026 | 130.97 | 131.37 | 128.16 | 128.79 | 128.79 | -1.66% | 374,818 |
| Jan 22, 2026 | 133.29 | 134.30 | 129.90 | 130.97 | 130.97 | -1.15% | 433,883 |
| Jan 21, 2026 | 132.25 | 133.47 | 131.02 | 132.50 | 132.50 | 0.36% | 295,442 |
| Jan 20, 2026 | 133.33 | 134.50 | 131.00 | 132.02 | 132.02 | -1.89% | 476,409 |
| Jan 16, 2026 | 133.64 | 136.00 | 132.80 | 134.57 | 134.57 | 0.58% | 436,041 |
| Jan 15, 2026 | 133.96 | 134.33 | 130.08 | 133.79 | 133.79 | -0.18% | 431,412 |
| Jan 14, 2026 | 132.50 | 134.96 | 131.44 | 134.03 | 134.03 | 0.67% | 431,040 |
| Jan 13, 2026 | 134.77 | 135.77 | 132.27 | 133.14 | 133.14 | -1.53% | 253,356 |
| Jan 12, 2026 | 132.73 | 136.00 | 132.06 | 135.21 | 135.21 | 1.55% | 428,281 |
| Jan 9, 2026 | 133.21 | 134.58 | 131.00 | 133.15 | 133.15 | -0.16% | 271,852 |
| Jan 8, 2026 | 131.36 | 134.56 | 129.98 | 133.36 | 133.36 | 1.14% | 362,873 |
| Jan 7, 2026 | 130.65 | 132.20 | 127.79 | 131.86 | 131.86 | 1.40% | 357,503 |
| Jan 6, 2026 | 129.75 | 131.00 | 129.06 | 130.04 | 130.04 | -0.75% | 369,913 |
| Jan 5, 2026 | 130.91 | 132.78 | 129.86 | 131.02 | 131.02 | 0.01% | 381,732 |
| Jan 2, 2026 | 132.60 | 133.38 | 129.05 | 131.01 | 131.01 | -1.42% | 346,284 |
| Dec 31, 2025 | 133.96 | 134.09 | 132.29 | 132.90 | 132.90 | -1.24% | 290,577 |
| Dec 30, 2025 | 136.61 | 136.61 | 131.00 | 134.57 | 134.57 | -2.02% | 475,436 |
| Dec 29, 2025 | 137.78 | 139.20 | 137.08 | 137.34 | 137.34 | -0.69% | 200,064 |
| Dec 26, 2025 | 139.69 | 140.74 | 137.48 | 138.29 | 138.29 | -0.90% | 208,727 |
| Dec 24, 2025 | 138.99 | 140.20 | 137.64 | 139.54 | 139.54 | 0.33% | 140,777 |
| Dec 23, 2025 | 139.94 | 141.33 | 138.16 | 139.08 | 139.08 | -1.33% | 388,607 |
| Dec 22, 2025 | 142.47 | 143.88 | 140.82 | 140.96 | 140.96 | -1.26% | 235,935 |
| Dec 19, 2025 | 142.10 | 143.60 | 140.80 | 142.76 | 142.76 | -0.13% | 1,290,439 |
| Dec 18, 2025 | 144.97 | 144.97 | 142.00 | 142.95 | 142.95 | 0.70% | 356,593 |
| Dec 17, 2025 | 143.17 | 144.30 | 137.87 | 141.95 | 141.95 | -1.13% | 786,173 |
| Dec 16, 2025 | 144.10 | 145.06 | 139.47 | 143.57 | 143.57 | -0.92% | 713,221 |
| Dec 15, 2025 | 152.53 | 152.53 | 144.75 | 144.90 | 144.90 | -5.00% | 533,676 |
| Dec 12, 2025 | 153.09 | 153.62 | 151.01 | 152.53 | 152.53 | 0.14% | 382,222 |
| Dec 11, 2025 | 151.54 | 153.61 | 150.43 | 152.31 | 152.31 | 0.37% | 239,926 |
| Dec 10, 2025 | 150.24 | 153.10 | 149.77 | 151.75 | 151.75 | 1.15% | 346,425 |
| Dec 9, 2025 | 148.95 | 150.90 | 147.48 | 150.03 | 150.03 | 0.18% | 316,773 |
| Dec 8, 2025 | 146.94 | 150.43 | 145.72 | 149.76 | 149.76 | 2.52% | 303,444 |
| Dec 5, 2025 | 148.80 | 150.29 | 144.56 | 146.08 | 146.08 | -2.37% | 436,249 |
| Dec 4, 2025 | 150.00 | 151.56 | 149.00 | 149.63 | 149.63 | 0.34% | 346,940 |
| Dec 3, 2025 | 145.00 | 149.92 | 144.24 | 149.13 | 149.13 | 2.28% | 361,095 |