Qualys Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 3, 2026	173.26	174.89	168.71	174.35	174.35	2.06%	522,802
Sep 2, 2026	175.27	181.16	166.37	170.83	170.83	-3.49%	967,308
Sep 1, 2026	183.25	187.53	176.28	177.01	177.01	-4.90%	841,339
Aug 31, 2026	187.00	190.52	184.31	186.14	186.14	-0.49%	661,283
Aug 28, 2026	186.42	188.23	183.52	187.05	187.05	-0.82%	480,214
Aug 27, 2026	182.02	190.99	180.00	188.59	188.59	6.75%	935,916
Aug 26, 2026	174.21	178.64	172.75	176.67	176.67	0.41%	332,240
Aug 25, 2026	178.34	180.00	173.54	175.94	175.94	-1.41%	460,996
Aug 24, 2026	182.18	182.95	175.61	178.46	178.46	-1.93%	440,932
Aug 21, 2026	181.75	183.59	176.61	181.98	181.98	-0.13%	511,326
Aug 20, 2026	185.00	187.28	181.54	182.21	182.21	-2.39%	403,310
Aug 19, 2026	188.03	188.73	181.47	186.68	186.68	-0.69%	447,656
Aug 18, 2026	185.62	188.81	182.79	187.98	187.98	2.55%	544,382
Aug 17, 2026	184.12	185.23	178.26	183.31	183.31	-1.47%	772,187
Aug 14, 2026	196.30	196.72	185.79	186.05	186.05	-5.02%	565,524
Aug 13, 2026	188.59	196.59	186.71	195.88	195.88	4.66%	643,325
Aug 12, 2026	185.13	188.84	183.28	187.15	187.15	-0.62%	513,355
Aug 11, 2026	185.80	189.60	180.40	188.31	188.31	1.35%	722,617
Aug 10, 2026	182.15	192.73	182.09	185.80	185.80	1.26%	923,340
Aug 7, 2026	183.45	184.39	178.30	183.48	183.48	0.94%	742,962
Aug 6, 2026	180.00	184.40	174.97	181.78	181.78	-0.80%	1,259,677
Aug 5, 2026	198.42	201.54	181.09	183.25	183.25	13.78%	1,620,862
Aug 4, 2026	152.26	162.74	150.62	161.06	161.06	3.98%	1,045,866
Aug 3, 2026	147.95	155.74	146.36	154.89	154.89	7.01%	959,868
Jul 31, 2026	141.71	145.33	137.81	144.75	144.75	2.15%	658,749
Jul 30, 2026	131.99	143.41	131.00	141.71	141.71	4.87%	1,052,934
Jul 29, 2026	137.35	138.55	133.03	135.13	135.13	-0.46%	720,000
Jul 28, 2026	135.01	139.12	131.91	135.75	135.75	0.71%	641,558
Jul 27, 2026	138.86	140.60	134.64	134.79	134.79	-1.96%	786,012
Jul 24, 2026	134.53	137.51	131.98	137.48	137.48	2.80%	539,381
Jul 23, 2026	142.12	142.44	133.04	133.74	133.74	-4.63%	748,986
Jul 22, 2026	145.15	147.49	138.76	140.23	140.23	-2.47%	699,395
Jul 21, 2026	155.66	155.66	141.91	143.78	143.78	-8.05%	1,163,334
Jul 20, 2026	158.19	160.78	155.77	156.37	156.37	-1.92%	492,756
Jul 17, 2026	155.45	160.84	154.01	159.43	159.43	1.19%	824,225
Jul 16, 2026	161.95	161.97	155.97	157.56	157.56	-1.10%	573,491
Jul 15, 2026	164.25	167.86	155.43	159.32	159.32	-2.92%	566,040
Jul 14, 2026	148.38	164.21	148.38	164.12	164.12	8.30%	768,459
Jul 13, 2026	154.42	155.40	148.31	151.54	151.54	-0.75%	720,928
Jul 10, 2026	160.24	162.18	151.96	152.69	152.69	-4.20%	658,789
Jul 9, 2026	150.10	159.39	148.01	159.39	159.39	3.81%	523,577
Jul 8, 2026	155.57	157.72	153.29	153.54	153.54	-2.55%	802,853
Jul 7, 2026	159.61	164.17	157.33	157.55	157.55	-0.45%	999,977
Jul 6, 2026	151.50	159.35	151.11	158.26	158.26	6.85%	1,008,872
Jul 2, 2026	143.44	148.42	141.00	148.12	148.12	3.26%	1,043,232
Jul 1, 2026	141.34	148.00	139.84	143.44	143.44	4.33%	842,974
Jun 30, 2026	129.61	141.52	129.48	137.49	137.49	7.15%	1,867,037
Jun 29, 2026	124.13	129.70	123.71	128.32	128.32	4.10%	781,122
Jun 26, 2026	116.37	124.17	116.37	123.27	123.27	6.09%	1,691,891
Jun 25, 2026	114.83	118.50	112.60	116.19	116.19	0.74%	476,446