Qualys, Inc. (QLYS)
NASDAQ: QLYS · Real-Time Price · USD
100.55
+0.46 (0.46%)
May 20, 2026, 4:00 PM EDT - Market closed
Qualys Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 20, 2026 | 98.27 | 101.52 | 97.46 | 100.55 | 100.55 | 0.46% | 698,285 |
| May 19, 2026 | 99.69 | 101.78 | 97.95 | 100.09 | 100.09 | 2.15% | 942,154 |
| May 18, 2026 | 90.05 | 98.41 | 89.49 | 97.98 | 97.98 | 8.84% | 1,069,324 |
| May 15, 2026 | 88.17 | 90.79 | 86.73 | 90.02 | 90.02 | 3.79% | 532,359 |
| May 14, 2026 | 86.99 | 88.11 | 84.63 | 86.73 | 86.73 | 0.27% | 691,465 |
| May 13, 2026 | 89.22 | 90.00 | 85.27 | 86.50 | 86.50 | -4.02% | 792,007 |
| May 12, 2026 | 92.82 | 92.82 | 89.26 | 90.12 | 90.12 | -1.54% | 580,826 |
| May 11, 2026 | 93.71 | 94.38 | 87.52 | 91.53 | 91.53 | -2.92% | 882,785 |
| May 8, 2026 | 93.65 | 95.72 | 90.33 | 94.28 | 94.28 | -0.73% | 1,144,394 |
| May 7, 2026 | 93.00 | 95.61 | 92.10 | 94.97 | 94.97 | 4.55% | 1,310,147 |
| May 6, 2026 | 90.24 | 91.11 | 84.31 | 90.84 | 90.84 | -1.41% | 1,171,694 |
| May 5, 2026 | 92.00 | 92.96 | 89.56 | 92.14 | 92.14 | -0.38% | 820,468 |
| May 4, 2026 | 88.34 | 92.82 | 87.56 | 92.49 | 92.49 | 4.47% | 966,016 |
| May 1, 2026 | 88.00 | 90.08 | 85.87 | 88.53 | 88.53 | 1.84% | 722,066 |
| Apr 30, 2026 | 87.90 | 91.88 | 86.00 | 86.93 | 86.93 | -2.98% | 1,042,443 |
| Apr 29, 2026 | 84.66 | 90.23 | 83.96 | 89.60 | 89.60 | 4.55% | 1,253,242 |
| 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 |