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

DateOpenHighLowCloseAdj. CloseChangeVolume
May 20, 202698.27101.5297.46100.55100.550.46%698,285
May 19, 202699.69101.7897.95100.09100.092.15%942,154
May 18, 202690.0598.4189.4997.9897.988.84%1,069,324
May 15, 202688.1790.7986.7390.0290.023.79%532,359
May 14, 202686.9988.1184.6386.7386.730.27%691,465
May 13, 202689.2290.0085.2786.5086.50-4.02%792,007
May 12, 202692.8292.8289.2690.1290.12-1.54%580,826
May 11, 202693.7194.3887.5291.5391.53-2.92%882,785
May 8, 202693.6595.7290.3394.2894.28-0.73%1,144,394
May 7, 202693.0095.6192.1094.9794.974.55%1,310,147
May 6, 202690.2491.1184.3190.8490.84-1.41%1,171,694
May 5, 202692.0092.9689.5692.1492.14-0.38%820,468
May 4, 202688.3492.8287.5692.4992.494.47%966,016
May 1, 202688.0090.0885.8788.5388.531.84%722,066
Apr 30, 202687.9091.8886.0086.9386.93-2.98%1,042,443
Apr 29, 202684.6690.2383.9689.6089.604.55%1,253,242
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