Costar Group, Inc. historical data

Date	Open	High	Low	Close	Adj. close	Volume
2026-10-16	32.390	32.650	31.590	32.310	32.310	5,771,100
2026-10-15	30.590	32.500	30.450	32.000	32.000	5,573,900
2026-10-14	29.980	30.210	29.300	30.110	30.110	5,751,000
2026-10-13	29.480	30.020	29.110	30.000	30.000	7,359,200
2026-10-12	29.670	29.900	29.030	29.210	29.210	2,765,600
2026-10-09	30.020	30.160	29.540	29.670	29.670	4,093,600
2026-10-08	27.600	29.830	27.580	29.810	29.810	9,467,400
2026-10-07	27.770	27.870	27.170	27.600	27.600	4,949,500
2026-10-06	27.700	28.200	27.460	27.630	27.630	4,577,700
2026-10-05	27.250	27.680	27.180	27.660	27.660	4,934,000
2026-10-02	27.480	27.810	27.150	27.380	27.380	3,741,500
2026-10-01	27.910	28.230	27.100	27.720	27.720	4,630,400
2026-09-30	27.030	27.550	26.860	27.400	27.400	6,693,000
2026-09-29	26.840	27.180	26.520	26.950	26.950	5,193,500
2026-09-28	27.680	27.750	26.850	27.020	27.020	5,182,600
2026-09-25	27.730	28.630	27.600	28.090	28.090	6,662,500
2026-09-24	28.180	28.540	27.280	27.860	27.860	6,497,500
2026-09-23	28.690	28.690	27.890	28.260	28.260	5,664,200
2026-09-22	29.630	29.630	28.310	28.770	28.770	5,284,600
2026-09-21	29.240	29.640	28.840	29.040	29.040	7,098,800
2026-09-18	29.300	29.910	28.960	29.090	29.090	17,117,000

Page 1 of 1 · 21 trading days

Stock splits

Date	Split (new : old)
2021-06-28	10:1

No dividends on record.

Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.