NASDAQ:CSGP | Historical Stock Price | COSTAR GROUP, INC.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1998-07-01 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.59$1.67$4.69$13.18$37.05$104.151998-07-012026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2000

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2000-12-29$2.36$2.361,079,000
2000-12-28$2.64$2.64596,000
2000-12-27$2.19$2.19405,000
2000-12-26$2.10$2.101,202,000
2000-12-22$2.01$2.01169,000
2000-12-21$2.00$2.001,027,000
2000-12-20$2.15$2.15772,000
2000-12-19$2.18$2.18321,000
2000-12-18$2.13$2.13669,000
2000-12-15$2.10$2.101,114,000
2000-12-14$2.16$2.16683,000
2000-12-13$2.19$2.1979,000
2000-12-12$2.15$2.15498,000
2000-12-11$1.98$1.98602,000
2000-12-08$2.15$2.15415,000
2000-12-07$2.15$2.15132,000
2000-12-06$2.24$2.24285,000
2000-12-05$2.35$2.35593,000
2000-12-04$2.21$2.21308,000
2000-12-01$2.31$2.31492,000
2000-11-30$2.23$2.23155,000
2000-11-29$2.35$2.35194,000
2000-11-28$2.39$2.3941,000
2000-11-27$2.49$2.49399,000
2000-11-24$2.63$2.63118,000
2000-11-22$2.49$2.49137,000
2000-11-21$2.62$2.62350,000
2000-11-20$2.64$2.64255,000
2000-11-17$2.71$2.7151,000
2000-11-16$2.66$2.66575,000
2000-11-15$2.93$2.93456,000
2000-11-14$2.78$2.78192,000
2000-11-13$2.73$2.73208,000
2000-11-10$2.63$2.63837,000
2000-11-09$2.80$2.80188,000
2000-11-08$2.88$2.88145,000
2000-11-07$2.90$2.90946,000
2000-11-06$2.97$2.971,158,000
2000-11-03$3.09$3.091,834,000
2000-11-02$3.11$3.111,578,000
2000-11-01$3.10$3.102,689,000
2000-10-31$3.13$3.131,646,000
2000-10-30$3.05$3.052,096,000
2000-10-27$3.18$3.18442,000
2000-10-26$3.23$3.23685,000
2000-10-25$2.92$2.92800,000
2000-10-24$3.05$3.051,149,000
2000-10-23$3.05$3.05588,000
2000-10-20$3.26$3.26895,000
2000-10-19$3.15$3.151,103,000
2000-10-18$3.05$3.051,948,000
2000-10-17$3.10$3.10638,000
2000-10-16$3.16$3.161,088,000
2000-10-13$3.23$3.23308,000
2000-10-12$3.30$3.30494,000
2000-10-11$3.28$3.2879,000
2000-10-10$3.40$3.40403,000
2000-10-09$3.48$3.48120,000
2000-10-06$3.56$3.56231,000
2000-10-05$3.41$3.41117,000
2000-10-04$3.40$3.40184,000
2000-10-03$3.54$3.54425,000
2000-10-02$3.53$3.53240,000
2000-09-29$3.70$3.701,523,000
2000-09-28$4.00$4.002,867,000
2000-09-27$3.46$3.461,429,000
2000-09-26$3.46$3.46812,000
2000-09-25$3.31$3.31550,000
2000-09-22$3.10$3.10277,000
2000-09-21$3.00$3.0099,000
2000-09-20$3.04$3.04828,000
2000-09-19$2.96$2.96185,000
2000-09-18$2.89$2.89381,000
2000-09-15$3.00$3.00413,000
2000-09-14$3.00$3.00884,000
2000-09-13$3.01$3.01547,000
2000-09-12$3.02$3.02420,000
2000-09-11$2.92$2.921,761,000
2000-09-08$2.95$2.95117,000
2000-09-07$2.77$2.775,299,000
2000-09-06$2.64$2.64387,000
2000-09-05$2.68$2.681,243,000
2000-09-01$2.69$2.69896,000
2000-08-31$2.76$2.7691,000
2000-08-30$2.75$2.75247,000
2000-08-29$2.66$2.66479,000
2000-08-28$2.70$2.70616,000
2000-08-25$2.72$2.72414,000
2000-08-24$2.72$2.72534,000
2000-08-23$2.74$2.74285,000
2000-08-22$2.81$2.81260,000
2000-08-21$3.07$3.07941,000
2000-08-18$3.01$3.01353,000
2000-08-17$2.70$2.70499,000
2000-08-16$2.73$2.73351,000
2000-08-15$2.73$2.73491,000
2000-08-14$2.68$2.68327,000
2000-08-11$2.73$2.73519,000
2000-08-10$2.76$2.76327,000
2000-08-09$2.68$2.681,097,000
2000-08-08$2.64$2.64391,000
2000-08-07$2.90$2.90310,000
2000-08-04$2.90$2.9040,000
2000-08-03$2.95$2.95922,000
2000-08-02$3.29$3.291,788,000
2000-08-01$3.51$3.51377,000
2000-07-31$3.67$3.671,167,000
2000-07-28$3.74$3.741,489,000
2000-07-27$3.74$3.741,805,000
2000-07-26$3.58$3.58720,000
2000-07-25$3.45$3.45662,000
2000-07-24$3.49$3.49347,000
2000-07-21$3.48$3.48211,000
2000-07-20$3.50$3.50121,000
2000-07-19$3.49$3.49209,000
2000-07-18$3.52$3.52224,000
2000-07-17$3.53$3.531,229,000
2000-07-14$3.36$3.36206,000
2000-07-13$3.20$3.20426,000
2000-07-12$2.76$2.76672,000
2000-07-11$2.70$2.70229,000
2000-07-10$2.69$2.69664,000
2000-07-07$2.64$2.64782,000
2000-07-06$2.75$2.751,672,000
2000-07-05$2.56$2.56817,000
2000-07-03$2.49$2.49141,000
2000-06-30$2.51$2.511,388,000
2000-06-29$2.86$2.86940,000
2000-06-28$2.63$2.63335,000
2000-06-27$2.58$2.58664,000
2000-06-26$2.49$2.49404,000
2000-06-23$2.43$2.43435,000
2000-06-22$2.48$2.48148,000
2000-06-21$2.49$2.4917,000
2000-06-20$2.47$2.47176,000
2000-06-19$2.45$2.45503,000
2000-06-16$2.63$2.63485,000
2000-06-15$2.61$2.61552,000
2000-06-14$2.60$2.60342,000
2000-06-13$2.25$2.251,326,000
2000-06-12$2.41$2.41444,000
2000-06-09$2.59$2.59320,000
2000-06-08$2.39$2.39883,000
2000-06-07$2.28$2.281,163,000
2000-06-06$2.29$2.29836,000
2000-06-05$2.40$2.40681,000
2000-06-02$2.26$2.26628,000
2000-06-01$2.09$2.09240,000
2000-05-31$2.09$2.09279,000
2000-05-30$2.10$2.10296,000
2000-05-26$2.10$2.10341,000
2000-05-25$2.17$2.17592,000
2000-05-24$2.23$2.231,001,000
2000-05-23$2.25$2.25712,000
2000-05-22$2.23$2.23585,000
2000-05-19$2.46$2.46237,000
2000-05-18$2.40$2.40296,000
2000-05-17$2.20$2.20366,000
2000-05-16$2.18$2.18324,000
2000-05-15$2.13$2.13404,000
2000-05-12$2.17$2.17952,000
2000-05-11$2.18$2.18808,000
2000-05-10$2.11$2.11141,000
2000-05-09$2.26$2.26135,000
2000-05-08$2.43$2.43518,000
2000-05-05$2.44$2.44216,000
2000-05-04$2.13$2.13556,000
2000-05-03$2.13$2.13622,000
2000-05-02$2.08$2.08418,000
2000-05-01$2.39$2.39360,000
2000-04-28$2.40$2.40732,000
2000-04-27$2.44$2.44936,000
2000-04-26$2.50$2.50844,000
2000-04-25$2.35$2.35257,000
2000-04-24$2.66$2.66240,000
2000-04-20$2.76$2.76164,000
2000-04-19$2.84$2.84284,000
2000-04-18$2.90$2.90545,000
2000-04-17$2.81$2.811,029,000
2000-04-14$2.74$2.74766,000
2000-04-13$3.08$3.08357,000
2000-04-12$3.26$3.26432,000
2000-04-11$3.51$3.51716,000
2000-04-10$3.71$3.71454,000
2000-04-07$3.86$3.861,617,000
2000-04-06$3.43$3.432,166,000
2000-04-05$3.46$3.463,094,000
2000-04-04$3.60$3.601,427,000
2000-04-03$3.68$3.68590,000
2000-03-31$3.69$3.69799,000
2000-03-30$3.71$3.71508,000
2000-03-29$3.87$3.87695,000
2000-03-28$4.10$4.10520,000
2000-03-27$4.48$4.47231,000
2000-03-24$4.60$4.60353,000
2000-03-23$4.69$4.691,468,000
2000-03-22$4.78$4.781,550,000
2000-03-21$5.01$5.011,465,000
2000-03-20$4.94$4.941,292,000
2000-03-17$5.00$5.002,191,000
2000-03-16$4.95$4.952,059,000
2000-03-15$4.53$4.531,181,000
2000-03-14$4.85$4.854,665,000
2000-03-13$5.21$5.212,320,000
2000-03-10$4.80$4.80693,000
2000-03-09$4.60$4.60568,000
2000-03-08$4.57$4.572,136,000
2000-03-07$4.74$4.741,493,000
2000-03-06$4.20$4.20503,000
2000-03-03$4.01$4.01826,000
2000-03-02$3.65$3.651,590,000
2000-03-01$3.60$3.602,192,000
2000-02-29$3.64$3.641,975,000
2000-02-28$3.60$3.601,089,000
2000-02-25$3.51$3.51708,000
2000-02-24$3.49$3.49437,000
2000-02-23$3.63$3.63378,000
2000-02-22$3.20$3.20724,000
2000-02-18$3.08$3.08155,000
2000-02-17$3.20$3.20177,000
2000-02-16$3.23$3.23139,000
2000-02-15$3.24$3.24554,000
2000-02-14$3.48$3.48172,000
2000-02-11$3.63$3.63275,000
2000-02-10$3.71$3.71730,000
2000-02-09$3.66$3.662,431,000
2000-02-08$3.61$3.611,796,000
2000-02-07$3.51$3.51934,000
2000-02-04$3.49$3.491,178,000
2000-02-03$3.29$3.291,984,000
2000-02-02$3.24$3.24283,000
2000-02-01$3.25$3.25539,000
2000-01-31$3.23$3.23193,000
2000-01-28$3.51$3.51554,000
2000-01-27$3.68$3.6873,000
2000-01-26$3.73$3.731,103,000
2000-01-25$3.73$3.73267,000
2000-01-24$3.74$3.74434,000
2000-01-21$3.86$3.86508,000
2000-01-20$3.50$3.50235,000
2000-01-19$3.95$3.95817,000
2000-01-18$3.81$3.81480,000
2000-01-14$3.80$3.802,493,000
2000-01-13$3.64$3.641,568,000
2000-01-12$3.36$3.361,090,000
2000-01-11$3.25$3.25912,000
2000-01-10$3.07$3.07716,000
2000-01-07$3.05$3.05191,000
2000-01-06$3.10$3.101,034,000
2000-01-05$3.14$3.14816,000
2000-01-04$3.24$3.24372,000
2000-01-03$3.14$3.141,321,000