5 DAY PERFORMANCE
+66.27%
1 MONTH PERFORMANCE
+81.65%
3 MONTH PERFORMANCE
+57.86%
6 MONTH PERFORMANCE
+11.76%
YEAR-TO-DATE PERFORMANCE
-25.22%
1 YEAR PERFORMANCE
-42.84%
Costar Group, Inc. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 08/14/2026 | $33.28 | $32.49 (-2.36%) | $33.30 | $32.18 | 701.09 K | |
| 08/13/2026 | $30.68 | $33.05 (7.72%) | $33.10 | $30.68 | 7.97 M | $13.36 B |
| 08/12/2026 | $30.65 | $30.50 (-0.49%) | $31.08 | $30.22 | 4.28 M | $12.33 B |
| 08/11/2026 | $31.25 | $31.12 (-0.42%) | $31.52 | $30.65 | 4.04 M | $12.58 B |
| 08/10/2026 | $30.04 | $31.48 (4.79%) | $31.49 | $30.04 | 6.16 M | $12.72 B |
| 08/07/2026 | $30.05 | $30.24 (0.63%) | $31.68 | $30.04 | 6.21 M | $12.22 B |
| 08/06/2026 | $29.89 | $29.58 (-1.04%) | $30.22 | $29.27 | 7.81 M | $11.95 B |
| 08/05/2026 | $30.61 | $30.21 (-1.31%) | $30.75 | $29.53 | 6.64 M | $12.21 B |
| 08/04/2026 | $29.42 | $29.82 (1.36%) | $30.07 | $29.35 | 5.79 M | $12.05 B |
| 08/03/2026 | $29.47 | $30.03 (1.9%) | $30.18 | $29.26 | 6.03 M | $12.14 B |
| 07/31/2026 | $29.02 | $28.76 (-0.9%) | $29.38 | $28.38 | 8.23 M | $11.62 B |
| 07/30/2026 | $28.27 | $29.46 (4.21%) | $29.57 | $28.13 | 12.13 M | $11.90 B |
| 07/29/2026 | $26.03 | $29.83 (14.6%) | $30.45 | $25.89 | 17.58 M | $12.05 B |
| 07/28/2026 | $29.90 | $30.33 (1.44%) | $31.40 | $29.75 | 9.82 M | $12.26 B |
| 07/27/2026 | $28.05 | $29.17 (3.99%) | $29.92 | $28.04 | 9.80 M | $11.79 B |
| 07/24/2026 | $27.28 | $27.66 (1.39%) | $28.09 | $27.09 | 6.85 M | $11.42 B |
| 07/23/2026 | $27.89 | $27.14 (-2.69%) | $28.03 | $26.77 | 7.16 M | $11.21 B |
| 07/22/2026 | $28.76 | $27.69 (-3.72%) | $28.92 | $27.48 | 5.64 M | $11.44 B |
| 07/21/2026 | $28.63 | $28.50 (-0.45%) | $29.39 | $28.34 | 5.58 M | $11.77 B |
| 07/20/2026 | $29.50 | $29.68 (0.61%) | $29.90 | $28.85 | 6.35 M | $12.26 B |
| 07/17/2026 | $30.64 | $29.78 (-2.81%) | $31.01 | $29.59 | 5.90 M | $12.30 B |
| 07/16/2026 | $29.07 | $30.37 (4.47%) | $30.52 | $28.96 | 8.94 M | $12.54 B |
| 07/15/2026 | $28.04 | $28.49 (1.6%) | $29.25 | $27.96 | 7.34 M | $11.77 B |
| 07/14/2026 | $27.00 | $27.68 (2.52%) | $28.00 | $26.68 | 14.09 M | $11.43 B |
| 07/13/2026 | $28.88 | $28.77 (-0.38%) | $29.38 | $28.22 | 6.45 M | $11.88 B |
| 07/10/2026 | $29.67 | $28.39 (-4.31%) | $30.05 | $28.09 | 5.92 M | $11.73 B |
| 07/09/2026 | $28.86 | $29.19 (1.14%) | $29.35 | $28.44 | 4.96 M | $12.06 B |
| 07/08/2026 | $29.66 | $29.34 (-1.08%) | $29.82 | $29.02 | 5.10 M | $12.12 B |
| 07/07/2026 | $29.67 | $29.87 (0.67%) | $30.14 | $29.19 | 6.00 M | $12.34 B |
| 07/06/2026 | $29.68 | $28.70 (-3.3%) | $29.83 | $28.54 | 6.72 M | $11.85 B |
| 07/02/2026 | $29.56 | $30.00 (1.49%) | $30.42 | $29.22 | 4.74 M | $12.39 B |
| 07/01/2026 | $29.08 | $29.36 (0.96%) | $30.02 | $28.77 | 6.24 M | $12.13 B |
| 06/30/2026 | $29.03 | $28.32 (-2.45%) | $29.26 | $28.18 | 6.93 M | $11.70 B |
| 06/29/2026 | $30.61 | $29.32 (-4.21%) | $30.71 | $29.20 | 5.60 M | $12.11 B |
| 06/26/2026 | $28.90 | $30.25 (4.67%) | $30.52 | $28.84 | 8.81 M | $12.49 B |
| 06/25/2026 | $29.31 | $28.64 (-2.29%) | $29.68 | $28.54 | 6.45 M | $11.83 B |
| 06/24/2026 | $29.89 | $29.81 (-0.27%) | $30.89 | $29.76 | 6.68 M | $12.31 B |
| 06/23/2026 | $29.73 | $30.26 (1.78%) | $30.60 | $29.73 | 8.31 M | $12.50 B |
| 06/22/2026 | $30.05 | $29.22 (-2.76%) | $31.04 | $29.08 | 7.03 M | $12.07 B |
| 06/18/2026 | $30.46 | $30.12 (-1.12%) | $30.73 | $29.53 | 16.14 M | $12.44 B |
| 06/17/2026 | $31.80 | $30.46 (-4.21%) | $32.56 | $30.38 | 9.73 M | $12.58 B |
| 06/16/2026 | $32.01 | $31.97 (-0.12%) | $32.72 | $31.64 | 5.75 M | $13.20 B |
| 06/15/2026 | $32.68 | $32.04 (-1.96%) | $34.08 | $31.91 | 6.02 M | $13.23 B |
| 06/12/2026 | $32.57 | $32.84 (0.83%) | $33.19 | $31.63 | 4.91 M | $13.56 B |
| 06/11/2026 | $33.53 | $32.65 (-2.62%) | $34.06 | $32.33 | 7.75 M | $13.48 B |
| 06/10/2026 | $33.58 | $34.23 (1.94%) | $34.77 | $33.16 | 6.28 M | $14.14 B |
| 06/09/2026 | $33.05 | $33.93 (2.66%) | $34.20 | $32.85 | 6.63 M | $14.01 B |
| 06/08/2026 | $33.31 | $33.39 (0.24%) | $34.04 | $32.68 | 7.71 M | $13.79 B |
| 06/05/2026 | $33.93 | $33.89 (-0.12%) | $34.27 | $33.06 | 7.00 M | $14.00 B |
| 06/04/2026 | $34.66 | $33.66 (-2.89%) | $34.82 | $33.13 | 7.35 M | $13.90 B |
| 06/03/2026 | $33.51 | $33.40 (-0.33%) | $33.52 | $32.05 | 9.46 M | $13.79 B |
| 06/02/2026 | $33.08 | $33.66 (1.75%) | $33.76 | $31.70 | 9.19 M | $13.90 B |
| 06/01/2026 | $32.62 | $33.86 (3.8%) | $33.88 | $32.01 | 8.04 M | $13.98 B |
| 05/29/2026 | $32.65 | $32.20 (-1.38%) | $32.94 | $31.86 | 7.79 M | $13.30 B |
| 05/28/2026 | $32.24 | $32.30 (0.19%) | $32.90 | $32.00 | 6.75 M | $13.34 B |
| 05/27/2026 | $32.59 | $32.32 (-0.83%) | $33.48 | $32.21 | 5.02 M | $13.35 B |
| 05/26/2026 | $33.61 | $32.52 (-3.24%) | $33.71 | $32.50 | 5.97 M | $13.43 B |
| 05/22/2026 | $33.87 | $33.95 (0.24%) | $34.64 | $33.61 | 4.62 M | $14.02 B |
| 05/21/2026 | $33.65 | $33.93 (0.83%) | $34.43 | $33.03 | 5.41 M | $14.01 B |
| 05/20/2026 | $33.41 | $34.01 (1.8%) | $34.26 | $32.19 | 5.01 M | $14.05 B |
| 05/19/2026 | $33.80 | $33.80 (0%) | $34.85 | $33.28 | 6.60 M | $13.96 B |
| 05/18/2026 | $32.73 | $33.20 (1.44%) | $34.34 | $32.42 | 10.17 M | $13.71 B |
| 05/15/2026 | $31.92 | $32.68 (2.38%) | $33.02 | $31.92 | 37.83 M | $13.50 B |
| 05/14/2026 | $31.97 | $31.85 (-0.38%) | $32.58 | $31.36 | 7.87 M | $13.15 B |
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