CSGP Historical Stock Prices & CSV Downloads

CoStar Group, Inc. (CSGP), daily historical prices. Prices in USD.
Date	Open	High	Low	Close		Volume
Oct 30, 2026	28.85	30.26	28.36	30.17	30.17	9,593,100
Oct 29, 2026	27.69	28.39	27.07	28.14	28.14	7,154,400
Oct 28, 2026	30.00	30.68	26.86	27.54	27.54	18,319,100
Oct 27, 2026	33.69	33.69	31.87	32.01	32.01	6,899,700
Oct 26, 2026	33.94	34.26	33.02	33.70	33.70	4,758,900
Oct 23, 2026	35.22	35.59	33.79	33.92	33.92	7,393,000
Oct 22, 2026	33.98	35.63	33.43	35.45	35.45	8,311,300
Oct 21, 2026	32.95	33.29	32.68	32.90	32.90	4,219,100
Oct 20, 2026	32.39	33.31	32.39	33.05	33.05	3,966,700
Oct 19, 2026	31.93	32.05	31.39	31.81	31.81	4,436,700
Oct 16, 2026	32.39	32.65	31.59	32.31	32.31	5,771,100
Oct 15, 2026	30.59	32.50	30.45	32.00	32.00	5,573,900
Oct 14, 2026	29.98	30.21	29.30	30.11	30.11	5,751,000
Oct 13, 2026	29.48	30.02	29.11	30.00	30.00	7,359,200
Oct 12, 2026	29.67	29.90	29.03	29.21	29.21	2,765,600
Oct 9, 2026	30.02	30.16	29.54	29.67	29.67	4,093,600
Oct 8, 2026	27.60	29.83	27.58	29.81	29.81	9,467,400
Oct 7, 2026	27.77	27.87	27.17	27.60	27.60	4,949,500
Oct 6, 2026	27.70	28.20	27.46	27.63	27.63	4,577,700
Oct 5, 2026	27.25	27.68	27.18	27.66	27.66	4,934,000
Oct 2, 2026	27.48	27.81	27.15	27.38	27.38	3,741,500
Oct 1, 2026	27.91	28.23	27.10	27.72	27.72	4,630,400
Sep 30, 2026	27.03	27.55	26.86	27.40	27.40	6,693,000
Sep 29, 2026	26.84	27.18	26.52	26.95	26.95	5,193,500
Sep 28, 2026	27.68	27.75	26.85	27.02	27.02	5,182,600

Historical stock data.