CoStar Group Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Mar 2, 2026	37.30	37.30	37.22	37.49	37.49	-0.09%	24
Feb 27, 2026	37.53	37.53	37.53	37.53	37.53	-1.88%	-
Feb 26, 2026	38.43	38.43	38.43	38.25	38.25	2.55%	22
Feb 25, 2026	38.97	38.97	38.97	37.30	37.30	-9.88%	24
Feb 24, 2026	41.39	41.39	41.39	41.39	41.39	0.39%	-
Feb 23, 2026	41.23	41.23	41.23	41.23	41.23	-3.18%	23
Feb 20, 2026	42.77	43.22	42.77	42.58	42.58	3.21%	332
Feb 19, 2026	41.67	41.67	41.67	41.26	41.26	2.60%	24
Feb 18, 2026	38.83	38.83	38.83	40.21	40.21	6.28%	90
Feb 17, 2026	37.84	37.84	37.84	37.84	37.84	-	-
Feb 16, 2026	37.84	37.84	37.84	37.84	37.84	0.20%	-
Feb 13, 2026	37.76	37.76	37.76	37.76	37.76	-0.85%	-
Feb 12, 2026	38.09	38.09	38.09	38.09	38.09	-3.92%	-
Feb 11, 2026	40.83	40.83	40.51	39.64	39.64	-9.18%	573
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%	-