CoStar Group Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jan 9, 2026	51.93	51.93	51.93	51.93	51.93	-3.19%	-
Jan 8, 2026	51.92	53.64	51.92	53.64	53.64	-5.45%	30
Jan 7, 2026	56.73	56.73	56.73	56.73	56.73	1.56%	-
Jan 6, 2026	55.86	55.86	55.86	55.86	55.86	0.59%	-
Jan 5, 2026	55.53	55.53	55.53	55.53	55.53	-1.70%	-
Jan 2, 2026	56.49	56.49	56.49	56.49	56.49	-0.23%	-
Dec 30, 2025	56.62	56.62	56.62	56.62	56.62	1.18%	-
Dec 29, 2025	55.96	55.96	55.96	55.96	55.96	0.34%	-
Dec 23, 2025	55.77	55.77	55.77	55.77	55.77	1.47%	-
Dec 22, 2025	54.96	54.96	54.96	54.96	54.96	0.92%	-
Dec 19, 2025	54.46	54.46	54.46	54.46	54.46	0.06%	-
Dec 18, 2025	54.43	54.43	54.43	54.43	54.43	1.64%	-
Dec 17, 2025	53.55	53.55	53.55	53.55	53.55	0.39%	-
Dec 16, 2025	53.34	53.34	53.34	53.34	53.34	-7.35%	-
Dec 15, 2025	57.57	57.57	57.57	57.57	57.57	1.25%	-
Dec 12, 2025	56.86	56.86	56.86	56.86	56.86	-0.40%	-
Dec 11, 2025	57.09	57.09	57.09	57.09	57.09	-0.97%	-
Dec 10, 2025	57.65	57.65	57.65	57.65	57.65	2.54%	-
Dec 9, 2025	56.22	56.22	56.22	56.22	56.22	-2.41%	-
Dec 8, 2025	57.61	57.61	57.61	57.61	57.61	-2.50%	-
Dec 5, 2025	57.76	59.09	57.76	59.09	59.09	0.92%	20
Dec 4, 2025	58.55	58.55	58.55	58.55	58.55	1.09%	-
Dec 3, 2025	57.92	57.92	57.92	57.92	57.92	0.26%	-
Dec 2, 2025	57.77	57.77	57.77	57.77	57.77	-0.31%	-
Dec 1, 2025	57.95	57.95	57.95	57.95	57.95	-3.08%	-
Nov 28, 2025	57.87	59.79	57.87	59.79	59.79	3.12%	30
Nov 27, 2025	57.98	57.98	57.98	57.98	57.98	-1.93%	-
Nov 26, 2025	59.12	59.12	59.12	59.12	59.12	2.25%	-
Nov 25, 2025	57.82	57.82	57.82	57.82	57.82	0.17%	-
Nov 24, 2025	57.72	57.72	57.72	57.72	57.72	2.72%	-
Nov 21, 2025	56.19	56.19	56.19	56.19	56.19	-1.28%	-
Nov 20, 2025	56.92	56.92	56.92	56.92	56.92	0.39%	-
Nov 19, 2025	56.90	56.90	56.70	56.70	56.70	-0.02%	6
Nov 18, 2025	56.71	56.71	56.71	56.71	56.71	-2.24%	-
Nov 17, 2025	58.01	58.01	58.01	58.01	58.01	-0.05%	-
Nov 14, 2025	58.04	58.04	58.04	58.04	58.04	-1.56%	-
Nov 13, 2025	58.96	58.96	58.96	58.96	58.96	0.99%	-
Nov 12, 2025	58.38	58.38	58.38	58.38	58.38	1.64%	-
Nov 11, 2025	57.44	57.44	57.44	57.44	57.44	-0.55%	-
Nov 10, 2025	57.76	57.76	57.76	57.76	57.76	0.05%	-
Nov 7, 2025	57.73	57.73	57.73	57.73	57.73	-4.44%	-
Nov 6, 2025	60.41	60.41	60.41	60.41	60.41	0.50%	-
Nov 5, 2025	60.11	60.11	60.11	60.11	60.11	2.23%	-
Nov 4, 2025	58.80	58.80	58.80	58.80	58.80	1.17%	5
Nov 3, 2025	58.12	58.12	58.12	58.12	58.12	-1.91%	2
Oct 31, 2025	59.46	59.46	59.25	59.25	59.25	-1.28%	7
Oct 30, 2025	60.14	60.14	60.02	60.02	60.02	3.00%	-
Oct 29, 2025	64.19	64.19	58.27	58.27	58.27	-11.90%	4
Oct 28, 2025	66.14	66.14	66.14	66.14	66.14	-1.06%	-
Oct 27, 2025	66.92	66.92	66.85	66.85	66.85	0.86%	-