CoStar Group, Inc. (CSGP) NASDAQ

Currency In USD

CSGP Historical Return

If you invested $1000 in CoStar Group, Inc. (CSGP) 10 years ago, it would be worth $1,433.6 as of June 20, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $334.3, while $1000 invested 1 year ago would be worth $378.15. This corresponds to total returns of 43.36%, -66.57%, -62.18%, respectively, with annualized returns of 3.67%, -19.68%, -62.18%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

CSGP Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 18, 2026	30.46	30.12	30.12	30.73	29.53	16.06M
June 17, 2026	31.8	30.46	30.46	32.56	30.38	9.73M
June 16, 2026	32.01	31.97	31.97	32.72	31.64	5.67M
June 15, 2026	32.68	32.04	32.04	34.08	31.91	5.97M
June 12, 2026	32.57	32.84	32.84	33.19	31.63	4.91M
June 11, 2026	33.53	32.65	32.65	34.06	32.33	7.73M
June 10, 2026	33.58	34.23	34.23	34.77	33.16	6.14M
June 09, 2026	33.05	33.93	33.93	34.2	32.85	6.59M
June 08, 2026	33.31	33.39	33.39	34.04	32.68	7.71M
June 05, 2026	33.93	33.89	33.89	34.27	33.06	7M
June 04, 2026	34.66	33.66	33.66	34.82	33.13	7.35M
June 03, 2026	33.51	33.4	33.4	33.52	32.05	9.31M
June 02, 2026	33.08	33.66	33.66	33.76	31.7	9.19M
June 01, 2026	32.62	33.86	33.86	33.88	32.01	8.04M
May 29, 2026	32.65	32.2	32.2	32.94	31.86	7.78M
May 28, 2026	32.24	32.3	32.3	32.9	32	6.75M
May 27, 2026	32.59	32.32	32.32	33.48	32.21	5.02M
May 26, 2026	33.54	32.52	32.52	33.61	32.5	3.96M
May 22, 2026	33.87	33.95	33.95	34.64	33.61	4.62M
May 21, 2026	33.65	33.93	33.93	34.43	33.03	5.41M
May 20, 2026	33.41	34.01	34.01	34.26	32.19	4.91M
May 19, 2026	33.8	33.8	33.8	34.85	33.28	6.6M
May 18, 2026	32.73	33.2	33.2	34.34	32.42	9.43M
May 15, 2026	31.92	32.68	32.68	33.02	31.92	37.74M
May 14, 2026	31.97	31.85	31.85	32.58	31.36	7.63M
May 13, 2026	32.41	31.97	31.97	32.88	31.78	7.76M
May 12, 2026	33.21	33.05	33.05	33.54	32.21	8.19M
May 11, 2026	32.45	32.92	32.92	33.19	32.09	8.09M
May 08, 2026	34.62	32.77	32.77	34.64	32.71	7.07M
May 07, 2026	34.08	34.98	34.98	35.59	33.94	6.84M
May 06, 2026	34.95	34.07	34.07	35.26	34.03	5.12M
May 05, 2026	35.23	34.9	34.9	35.37	33.82	5.33M
May 04, 2026	35.77	35.38	35.38	35.86	34.69	5.84M
May 01, 2026	35.28	34.72	34.72	36.09	34.35	6.35M
April 30, 2026	33.76	34.61	34.61	34.75	33.33	7.57M
April 29, 2026	35.65	34.14	34.14	36.53	33.32	15.32M
April 28, 2026	36.85	35.96	35.96	37.39	35.88	7.12M
April 27, 2026	36.2	36.24	36.24	36.98	36.08	5.64M
April 24, 2026	37.3	36.44	36.44	37.49	36.04	4.25M
April 23, 2026	38.48	37.38	37.38	38.7	36.56	6.53M
April 22, 2026	39.13	38.77	38.77	39.62	37.77	4.51M
April 21, 2026	40.16	38.91	38.91	41.03	38.77	3.94M
April 20, 2026	39.7	40.06	40.06	40.32	39.35	3.78M
April 17, 2026	40.58	39.72	39.72	40.94	39.52	3.99M
April 16, 2026	39.77	40.04	40.04	40.41	39.57	6.69M
April 15, 2026	38.05	39.31	39.31	39.52	37.64	6.5M
April 14, 2026	36.81	37.6	37.6	38.35	36.81	6.97M
April 13, 2026	36.14	37.06	37.06	37.26	34.75	11.55M
April 10, 2026	37.3	36.48	36.48	37.5	35.77	5.17M
April 09, 2026	38.28	37.32	37.32	38.44	36.91	5.73M
April 08, 2026	40.73	38.82	38.82	41.13	38.48	6.04M
April 07, 2026	41.11	39.48	39.48	41.25	39.44	4.28M
April 06, 2026	39.92	41.18	41.18	41.28	39.69	5.32M
April 02, 2026	39.78	39.94	39.95	40.84	38.7	3.79M
April 01, 2026	40.34	39.63	39.63	40.34	38.69	5.48M
March 31, 2026	41.5	40.34	40.34	41.63	39.57	5.48M
March 30, 2026	40.16	40.88	40.88	41.07	40.04	6.63M
March 27, 2026	41.07	39.77	39.77	41.43	39.18	6.26M
March 26, 2026	40.95	41.3	41.3	42.71	40.95	4.98M
March 25, 2026	41.84	41.41	41.41	42.12	40.33	5.75M