Qualys Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 14, 2026	192.96	196.13	187.38	189.63	189.63	-4.28%	616,467
Oct 13, 2026	195.49	201.99	195.49	198.11	198.11	0.68%	630,413
Oct 12, 2026	204.33	206.25	193.34	196.77	196.77	-2.79%	564,585
Oct 9, 2026	195.92	202.97	195.63	202.42	202.42	4.42%	658,667
Oct 8, 2026	194.94	201.79	187.21	193.86	193.86	-0.46%	865,702
Oct 7, 2026	198.33	199.79	190.21	194.75	194.75	-2.59%	737,858
Oct 6, 2026	200.01	204.41	195.78	199.93	199.93	0.63%	706,795
Oct 5, 2026	192.53	198.90	192.45	198.68	198.68	2.94%	774,115
Oct 2, 2026	188.87	195.40	188.87	193.00	193.00	2.97%	477,413
Oct 1, 2026	188.93	190.92	184.38	187.43	187.43	0.12%	654,063
Sep 30, 2026	179.14	190.27	178.23	187.20	187.20	4.96%	673,543
Sep 29, 2026	171.22	178.68	170.91	178.35	178.35	2.60%	500,080
Sep 28, 2026	168.79	175.63	168.06	173.83	173.83	0.81%	604,886
Sep 25, 2026	182.10	182.10	172.01	172.43	172.43	-5.75%	600,906
Sep 24, 2026	185.42	190.00	182.69	182.94	182.94	-1.00%	392,896
Sep 23, 2026	184.19	186.64	180.23	184.79	184.79	0.80%	523,725
Sep 22, 2026	183.86	186.55	177.65	183.32	183.32	1.26%	727,233
Sep 21, 2026	175.63	181.77	173.90	181.03	181.03	3.47%	409,681
Sep 18, 2026	178.44	179.71	172.23	174.96	174.96	-1.75%	1,537,507
Sep 17, 2026	180.82	184.39	176.99	178.08	178.08	-2.72%	724,316
Sep 16, 2026	179.60	184.46	177.74	183.06	183.06	-1.25%	812,678
Sep 15, 2026	170.11	187.00	170.11	185.37	185.37	7.21%	1,195,787
Sep 14, 2026	153.34	175.52	153.34	172.91	172.91	15.06%	1,092,367
Sep 11, 2026	160.23	160.30	149.13	150.28	150.28	-6.99%	1,170,073
Sep 10, 2026	167.58	173.56	160.61	161.57	161.57	-5.05%	856,136
Sep 9, 2026	169.19	171.68	167.50	170.17	170.17	-0.09%	615,417
Sep 8, 2026	169.73	173.04	165.51	170.32	170.32	-0.77%	550,994
Sep 4, 2026	172.51	175.00	170.42	171.65	171.65	-1.55%	447,016
Sep 3, 2026	173.26	174.89	168.71	174.35	174.35	2.06%	523,442
Sep 2, 2026	175.27	181.16	166.37	170.83	170.83	-3.49%	967,313
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