CoStar Group, Inc. (CSGP) NASDAQ

Currency In USD

CSGP Historical Return

If you invested $1000 in CoStar Group, Inc. (CSGP) since IPO date, it would be worth $1,452.29 as of July 30, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $335.73, while $1000 invested 1 year ago would be worth $309.92. This corresponds to total returns of 45.23%, -66.43%, -69.01%, respectively, with annualized returns of 3.8%, -19.6%, -69.01%.

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
July 29, 2026	26.03	29.83	29.83	30.45	25.89	17.57M
July 28, 2026	29.9	30.33	30.33	31.4	29.75	9.1M
July 27, 2026	28.05	29.17	29.17	29.92	28.04	8.66M
July 24, 2026	27.28	27.66	27.66	28.09	27.09	6.85M
July 23, 2026	27.89	27.14	27.14	28.03	26.77	7.12M
July 22, 2026	28.76	27.69	27.69	28.92	27.48	5.64M
July 21, 2026	28.63	28.5	28.5	29.39	28.34	5.41M
July 20, 2026	29.5	29.68	29.68	29.9	28.85	6.35M
July 17, 2026	30.64	29.78	29.78	31.01	29.59	5.9M
July 16, 2026	29.07	30.37	30.37	30.52	28.96	8.87M
July 15, 2026	28.04	28.49	28.49	29.25	27.96	7.34M
July 14, 2026	27	27.68	27.68	28	26.68	14.04M
July 13, 2026	28.88	28.77	28.77	29.38	28.22	6.43M
July 10, 2026	29.67	28.39	28.39	30.05	28.09	5.87M
July 09, 2026	28.86	29.19	29.19	29.35	28.44	4.95M
July 08, 2026	29.66	29.34	29.34	29.82	29.02	5.1M
July 07, 2026	29.67	29.87	29.87	30.14	29.19	5.98M
July 06, 2026	29.68	28.7	28.7	29.83	28.54	6.72M
July 02, 2026	29.56	30	30	30.42	29.22	4.73M
July 01, 2026	29.08	29.36	29.36	30.02	28.77	6.23M
June 30, 2026	29.03	28.32	28.32	29.26	28.18	6.93M
June 29, 2026	30.61	29.32	29.32	30.71	29.2	5.6M
June 26, 2026	28.9	30.25	30.25	30.52	28.84	8.63M
June 25, 2026	29.31	28.64	28.64	29.68	28.54	6.4M
June 24, 2026	29.89	29.81	29.81	30.89	29.76	6.55M
June 23, 2026	29.73	30.26	30.26	30.6	29.73	8.28M
June 22, 2026	30.05	29.22	29.22	31.04	29.08	7.01M
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