Quest Diagnostics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 11, 2026	207.04	210.38	201.99	209.32	209.32	1.93%	1,427,219
Feb 10, 2026	194.72	207.05	191.90	205.35	205.35	7.37%	2,294,545
Feb 9, 2026	190.00	191.78	187.58	191.25	191.25	0.28%	1,908,165
Feb 6, 2026	193.20	193.60	189.94	190.71	190.71	-0.83%	1,046,429
Feb 5, 2026	190.00	193.46	188.65	192.30	192.30	1.62%	1,634,123
Feb 4, 2026	185.34	189.80	185.13	189.23	189.23	2.19%	1,297,287
Feb 3, 2026	184.78	189.13	184.69	185.17	185.17	0.09%	802,507
Feb 2, 2026	186.01	186.93	182.36	185.00	185.00	-1.09%	1,003,721
Jan 30, 2026	183.82	187.19	183.82	187.03	187.03	2.57%	1,139,137
Jan 29, 2026	182.17	183.97	181.68	182.35	182.35	-0.21%	635,633
Jan 28, 2026	183.02	183.58	181.63	182.74	182.74	-0.81%	802,547
Jan 27, 2026	181.51	184.39	181.48	184.24	184.24	0.94%	667,837
Jan 26, 2026	182.14	183.79	181.37	182.53	182.53	0.83%	679,821
Jan 23, 2026	181.94	182.44	179.73	181.02	181.02	-0.63%	848,427
Jan 22, 2026	185.11	185.47	182.01	182.16	182.16	-1.35%	1,747,376
Jan 21, 2026	189.02	189.75	184.43	184.65	184.65	-2.28%	1,140,145
Jan 20, 2026	187.69	191.07	186.83	188.95	188.95	-0.28%	1,481,621
Jan 16, 2026	189.40	190.96	188.75	189.49	189.49	-0.40%	1,128,348
Jan 15, 2026	187.15	190.99	186.43	190.26	190.26	1.87%	1,244,135
Jan 14, 2026	180.50	187.10	179.83	186.77	186.77	3.78%	1,498,440
Jan 13, 2026	176.86	180.42	175.47	179.96	179.96	2.28%	1,069,132
Jan 12, 2026	175.81	176.06	173.51	175.94	175.14	0.86%	694,632
Jan 9, 2026	177.52	178.30	174.43	174.44	173.65	-1.86%	942,357
Jan 8, 2026	178.19	180.66	176.70	177.74	176.93	-0.22%	870,097
Jan 7, 2026	181.15	181.23	177.70	178.14	177.33	-1.29%	767,267
Jan 6, 2026	173.38	181.22	173.38	180.46	179.64	4.02%	1,165,444
Jan 5, 2026	173.46	174.49	171.18	173.49	172.70	-0.17%	748,829
Jan 2, 2026	173.31	173.81	172.03	173.79	173.00	0.15%	683,170
Dec 31, 2025	175.49	175.73	173.39	173.53	172.74	-1.12%	645,305
Dec 30, 2025	175.30	176.37	175.03	175.49	174.69	-0.02%	732,816
Dec 29, 2025	175.72	176.35	174.63	175.52	174.72	-0.24%	632,023
Dec 26, 2025	176.47	176.73	175.65	175.94	175.14	0.01%	402,681
Dec 24, 2025	175.74	176.26	175.13	175.92	175.12	0.48%	296,509
Dec 23, 2025	176.55	176.55	174.48	175.08	174.28	-0.71%	652,768
Dec 22, 2025	176.00	177.24	175.63	176.34	175.54	0.16%	704,270
Dec 19, 2025	175.80	176.83	174.59	176.06	175.26	-0.05%	1,580,889
Dec 18, 2025	179.19	179.80	176.03	176.15	175.35	-1.65%	973,822
Dec 17, 2025	178.33	179.23	177.02	179.10	178.29	0.25%	1,652,324
Dec 16, 2025	184.84	184.84	178.52	178.66	177.85	-2.96%	1,338,939
Dec 15, 2025	183.25	184.81	182.96	184.11	183.27	0.85%	951,930
Dec 12, 2025	182.16	183.01	181.23	182.56	181.73	0.55%	1,138,995
Dec 11, 2025	179.64	182.06	179.51	181.57	180.74	1.15%	685,602
Dec 10, 2025	180.00	180.99	178.95	179.51	178.69	-0.06%	1,071,131
Dec 9, 2025	181.71	182.77	178.61	179.62	178.80	-1.21%	846,482
Dec 8, 2025	182.29	183.50	181.23	181.82	180.99	-0.38%	980,691
Dec 5, 2025	183.20	184.19	182.08	182.51	181.68	-0.91%	738,192
Dec 4, 2025	182.31	185.12	182.25	184.18	183.34	0.86%	1,044,861
Dec 3, 2025	183.27	184.16	182.21	182.61	181.78	0.03%	1,057,340
Dec 2, 2025	183.80	184.89	182.21	182.55	181.72	-0.66%	1,177,547
Dec 1, 2025	188.50	189.39	183.66	183.77	182.93	-2.86%	1,175,803