CoStar Group Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 10, 2026	43.65	43.65	43.65	43.65	43.65	3.62%	-
Feb 9, 2026	42.12	42.12	42.12	42.12	42.12	0.08%	-
Feb 6, 2026	43.73	43.73	43.73	42.09	42.09	-5.18%	69
Feb 5, 2026	44.20	44.20	43.75	44.39	44.39	0.43%	36
Feb 4, 2026	45.51	45.51	43.84	44.20	44.20	-3.75%	964
Feb 3, 2026	45.92	45.92	45.92	45.92	45.92	-13.17%	-
Feb 2, 2026	52.88	52.88	52.88	52.88	52.88	2.28%	-
Jan 30, 2026	52.82	52.82	52.82	51.70	51.70	-2.12%	14
Jan 29, 2026	53.35	53.35	53.35	52.82	52.82	-6.25%	16
Jan 28, 2026	57.29	57.29	57.29	56.34	56.34	0.77%	16
Jan 27, 2026	55.91	55.91	55.91	55.91	55.91	-0.53%	-
Jan 26, 2026	56.21	56.21	56.21	56.21	56.21	0.70%	-
Jan 23, 2026	55.97	55.97	55.97	55.82	55.82	-1.40%	11
Jan 22, 2026	56.61	56.61	56.61	56.61	56.61	3.83%	-
Jan 21, 2026	54.52	54.52	54.52	54.52	54.52	-0.85%	-
Jan 20, 2026	54.99	54.99	54.99	54.99	54.99	-1.77%	-
Jan 19, 2026	55.98	55.98	55.98	55.98	55.98	-0.96%	-
Jan 16, 2026	56.52	56.52	56.52	56.52	56.52	3.40%	-
Jan 15, 2026	54.66	54.66	54.66	54.66	54.66	1.75%	-
Jan 14, 2026	53.12	53.12	53.12	53.72	53.72	5.87%	10
Jan 13, 2026	50.74	50.74	50.74	50.74	50.74	3.06%	-
Jan 12, 2026	49.24	49.24	49.24	49.24	49.24	-4.06%	-
Jan 9, 2026	51.32	51.32	51.32	51.32	51.32	-3.91%	-
Jan 8, 2026	53.41	53.41	53.41	53.41	53.41	-2.78%	-
Jan 7, 2026	54.94	54.94	54.94	54.94	54.94	-3.82%	-
Jan 6, 2026	57.12	57.12	57.12	57.12	57.12	0.92%	-
Jan 5, 2026	56.60	56.60	56.60	56.60	56.60	1.02%	-
Jan 2, 2026	56.03	56.03	56.03	56.03	56.03	-2.47%	-
Dec 30, 2025	57.45	57.45	57.45	57.45	57.45	0.60%	-
Dec 29, 2025	57.11	57.11	57.11	57.11	57.11	1.89%	-
Dec 23, 2025	56.05	56.05	56.05	56.05	56.05	0.16%	-
Dec 22, 2025	55.96	55.96	55.96	55.96	55.96	0.02%	-
Dec 19, 2025	55.95	55.95	55.95	55.95	55.95	1.07%	-
Dec 18, 2025	55.36	55.36	55.36	55.36	55.36	1.30%	-
Dec 17, 2025	54.65	54.65	54.65	54.65	54.65	0.28%	-
Dec 16, 2025	54.50	54.50	54.50	54.50	54.50	2.33%	-
Dec 15, 2025	53.26	53.26	53.26	53.26	53.26	-8.43%	-
Dec 12, 2025	58.16	58.16	58.16	58.16	58.16	1.48%	-
Dec 11, 2025	57.59	57.59	57.59	57.31	57.31	-1.95%	100
Dec 10, 2025	58.45	58.45	58.45	58.45	58.45	2.15%	-
Dec 9, 2025	57.22	57.22	57.22	57.22	57.22	-0.63%	-
Dec 8, 2025	57.58	57.58	57.58	57.58	57.58	-2.09%	-
Dec 5, 2025	58.81	58.81	58.81	58.81	58.81	0.14%	-
Dec 4, 2025	58.73	58.73	58.73	58.73	58.73	-0.36%	-
Dec 3, 2025	58.94	58.94	58.94	58.94	58.94	0.67%	-
Dec 2, 2025	58.55	58.55	58.55	58.55	58.55	-0.88%	-
Dec 1, 2025	59.07	59.07	59.07	59.07	59.07	-0.30%	-
Nov 28, 2025	59.25	59.25	59.25	59.25	59.25	1.30%	-
Nov 27, 2025	58.49	58.49	58.49	58.49	58.49	-0.95%	-
Nov 26, 2025	59.05	59.05	59.05	59.05	59.05	0.19%	-