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

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 202686.4687.3484.9085.7085.700.63%528,657
Apr 27, 202684.3386.3483.7685.1685.160.97%483,803
Apr 24, 202683.8784.5982.1284.3484.340.36%445,831
Apr 23, 202686.4687.8482.0784.0484.04-5.26%618,411
Apr 22, 202686.5589.1486.0088.7188.712.82%656,583
Apr 21, 202682.3788.0582.3486.2886.285.22%989,269
Apr 20, 202682.8984.5581.4082.0082.00-1.41%1,135,399
Apr 17, 202685.4886.0082.5683.1783.17-1.09%1,368,956
Apr 16, 202686.2787.3782.7384.0984.09-1.27%950,709
Apr 15, 202684.3987.0984.2085.1785.172.34%821,351
Apr 14, 202681.6884.4181.6883.2283.222.24%1,275,847
Apr 13, 202676.6281.4776.3681.4081.406.82%1,308,481
Apr 10, 202677.4179.1174.7476.2076.20-0.63%1,202,724
Apr 9, 202686.0086.4574.5176.6876.68-12.23%1,701,259
Apr 8, 202688.9890.5686.0487.3687.36-1.00%1,023,817
Apr 7, 202690.5192.0287.4588.2488.24-2.30%943,272
Apr 6, 202688.4290.9387.6490.3290.322.22%446,778
Apr 2, 202687.1189.8485.9688.3688.362.50%736,674
Apr 1, 202688.5288.8585.0886.2186.21-1.87%821,108
Mar 31, 202688.6489.0085.3187.8587.85-0.08%916,039
Mar 30, 202686.2889.1686.2887.9287.922.67%721,714
Mar 27, 202688.6389.7682.0685.6385.63-6.01%1,080,238
Mar 26, 202689.3792.5489.0091.1191.111.35%432,596
Mar 25, 202693.4994.0289.5489.9089.90-2.59%513,595
Mar 24, 202696.2796.5591.1392.2992.29-5.19%679,544
Mar 23, 202697.5799.5995.3197.3497.340.93%511,332
Mar 20, 202695.8997.3493.6696.4496.44-0.16%1,692,527
Mar 19, 202696.9298.7395.0196.5996.59-0.05%519,606
Mar 18, 202694.0197.2793.8496.6496.641.64%455,645
Mar 17, 202694.97100.0094.6895.0895.080.09%573,146
Mar 16, 202698.0199.6694.6594.9994.99-4.73%766,127
Mar 13, 202697.00103.0096.8699.7199.712.80%599,863
Mar 12, 202696.0098.8696.0096.9996.990.34%592,211
Mar 11, 202696.5298.6594.2896.6696.661.34%331,216
Mar 10, 202696.6196.6193.4495.3895.38-1.02%322,963
Mar 9, 202697.3298.2094.8996.3696.36-2.33%699,227
Mar 6, 202698.2499.8795.8598.6698.66-0.79%484,253
Mar 5, 202697.65101.5097.6599.4599.451.40%588,238
Mar 4, 202697.3999.1796.3098.0898.080.71%618,294
Mar 3, 202693.0898.4492.7697.3997.392.96%512,793
Mar 2, 202692.4496.6991.8194.5994.592.29%801,902
Feb 27, 202690.8392.9089.9492.4792.47-1.29%872,691
Feb 26, 202691.8796.9191.6393.6893.682.67%1,067,178
Feb 25, 202687.9991.6387.7191.2491.245.08%1,045,273
Feb 24, 202687.0089.3086.1886.8386.830.21%807,697
Feb 23, 202692.2792.2785.1486.6586.65-6.49%1,473,607
Feb 20, 2026103.20105.3492.0592.6692.66-10.21%1,490,995
Feb 19, 2026104.05104.06101.96103.20103.20-1.14%615,762
Feb 18, 2026102.99105.20101.61104.39104.390.46%632,286
Feb 17, 2026105.31105.85102.11103.91103.91-0.95%766,823
Feb 13, 2026104.93108.26104.22104.91104.910.11%1,194,031
Feb 12, 2026110.21111.79104.56104.79104.79-4.98%896,040
Feb 11, 2026112.26114.01108.27110.28110.28-2.74%674,091
Feb 10, 2026109.67114.34109.67113.39113.393.88%869,736
Feb 9, 2026110.40113.53107.17109.15109.15-1.49%1,153,508
Feb 6, 2026126.91131.31109.72110.80110.80-13.31%2,105,847
Feb 5, 2026130.75133.33127.02127.81127.81-1.06%827,632
Feb 4, 2026126.01130.92124.43129.18129.181.30%754,811
Feb 3, 2026132.43133.45125.90127.52127.52-5.54%634,980
Feb 2, 2026131.00137.49131.00135.00135.002.35%722,815
Jan 30, 2026131.95132.88130.22131.90131.90-0.17%572,102
Jan 29, 2026131.27132.36128.44132.12132.12-0.43%514,244
Jan 28, 2026133.00134.33131.96132.69132.69-0.23%300,149
Jan 27, 2026132.82133.85130.75133.00133.000.62%312,532
Jan 26, 2026129.43133.00128.55132.18132.182.63%560,725
Jan 23, 2026130.97131.37128.16128.79128.79-1.66%374,818
Jan 22, 2026133.29134.30129.90130.97130.97-1.15%433,883
Jan 21, 2026132.25133.47131.02132.50132.500.36%295,442
Jan 20, 2026133.33134.50131.00132.02132.02-1.89%476,409
Jan 16, 2026133.64136.00132.80134.57134.570.58%436,041
Jan 15, 2026133.96134.33130.08133.79133.79-0.18%431,412
Jan 14, 2026132.50134.96131.44134.03134.030.67%431,040
Jan 13, 2026134.77135.77132.27133.14133.14-1.53%253,356
Jan 12, 2026132.73136.00132.06135.21135.211.55%428,281
Jan 9, 2026133.21134.58131.00133.15133.15-0.16%271,852
Jan 8, 2026131.36134.56129.98133.36133.361.14%362,873
Jan 7, 2026130.65132.20127.79131.86131.861.40%357,503
Jan 6, 2026129.75131.00129.06130.04130.04-0.75%369,913
Jan 5, 2026130.91132.78129.86131.02131.020.01%381,732
Jan 2, 2026132.60133.38129.05131.01131.01-1.42%346,284
Dec 31, 2025133.96134.09132.29132.90132.90-1.24%290,577
Dec 30, 2025136.61136.61131.00134.57134.57-2.02%475,436
Dec 29, 2025137.78139.20137.08137.34137.34-0.69%200,064
Dec 26, 2025139.69140.74137.48138.29138.29-0.90%208,727
Dec 24, 2025138.99140.20137.64139.54139.540.33%140,777
Dec 23, 2025139.94141.33138.16139.08139.08-1.33%388,607
Dec 22, 2025142.47143.88140.82140.96140.96-1.26%235,935
Dec 19, 2025142.10143.60140.80142.76142.76-0.13%1,290,439
Dec 18, 2025144.97144.97142.00142.95142.950.70%356,593
Dec 17, 2025143.17144.30137.87141.95141.95-1.13%786,173
Dec 16, 2025144.10145.06139.47143.57143.57-0.92%713,221
Dec 15, 2025152.53152.53144.75144.90144.90-5.00%533,676
Dec 12, 2025153.09153.62151.01152.53152.530.14%382,222
Dec 11, 2025151.54153.61150.43152.31152.310.37%239,926
Dec 10, 2025150.24153.10149.77151.75151.751.15%346,425
Dec 9, 2025148.95150.90147.48150.03150.030.18%316,773
Dec 8, 2025146.94150.43145.72149.76149.762.52%303,444
Dec 5, 2025148.80150.29144.56146.08146.08-2.37%436,249
Dec 4, 2025150.00151.56149.00149.63149.630.34%346,940
Dec 3, 2025145.00149.92144.24149.13149.132.28%361,095