5 DAY PERFORMANCE
-0.28%
1 MONTH PERFORMANCE
+0.73%
3 MONTH PERFORMANCE
-23.98%
6 MONTH PERFORMANCE
-13.39%
YEAR-TO-DATE PERFORMANCE
-5.00%
1 YEAR PERFORMANCE
-12.04%
CoStar Group, Inc. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 12/05/2025 | $67.81 | $68.01 (0.29%) | $68.77 | $67.47 | 2.95 M | $28.56 B |
| 12/04/2025 | $69.00 | $68.19 (-1.17%) | $69.06 | $68.08 | 2.33 M | $28.63 B |
| 12/03/2025 | $68.22 | $69.02 (1.17%) | $69.12 | $68.03 | 2.45 M | $28.98 B |
| 12/02/2025 | $68.33 | $68.20 (-0.19%) | $68.64 | $67.49 | 3.12 M | $28.64 B |
| 12/01/2025 | $67.97 | $68.02 (0.07%) | $69.30 | $67.85 | 3.03 M | $28.56 B |
| 11/28/2025 | $68.44 | $68.80 (0.53%) | $68.90 | $67.74 | 1.81 M | $28.89 B |
| 11/26/2025 | $68.75 | $67.82 (-1.35%) | $69.12 | $67.78 | 3.29 M | $28.48 B |
| 11/25/2025 | $67.98 | $69.20 (1.79%) | $69.36 | $67.16 | 3.75 M | $29.06 B |
| 11/24/2025 | $67.42 | $67.55 (0.19%) | $68.27 | $66.94 | 10.98 M | $28.36 B |
| 11/21/2025 | $65.98 | $67.25 (1.92%) | $67.59 | $65.90 | 5.77 M | $28.24 B |
| 11/20/2025 | $66.73 | $65.52 (-1.81%) | $66.81 | $64.72 | 5.40 M | $27.51 B |
| 11/19/2025 | $66.43 | $66.02 (-0.62%) | $66.52 | $65.45 | 3.90 M | $27.72 B |
| 11/18/2025 | $67.00 | $66.81 (-0.28%) | $67.42 | $66.22 | 3.96 M | $28.05 B |
| 11/17/2025 | $68.05 | $67.00 (-1.54%) | $69.02 | $66.63 | 3.35 M | $28.13 B |
| 11/14/2025 | $68.34 | $68.05 (-0.42%) | $69.06 | $67.86 | 3.65 M | $28.57 B |
| 11/13/2025 | $68.50 | $68.53 (0.04%) | $69.13 | $68.26 | 4.62 M | $28.78 B |
| 11/12/2025 | $68.27 | $69.02 (1.1%) | $69.29 | $67.42 | 4.61 M | $28.98 B |
| 11/11/2025 | $67.51 | $68.41 (1.33%) | $68.68 | $66.97 | 3.68 M | $28.73 B |
| 11/10/2025 | $67.52 | $67.23 (-0.43%) | $67.55 | $66.27 | 3.89 M | $28.23 B |
| 11/07/2025 | $67.38 | $67.52 (0.21%) | $68.34 | $66.59 | 4.20 M | $28.35 B |
| 11/06/2025 | $70.05 | $67.36 (-3.84%) | $70.56 | $67.14 | 4.76 M | $28.28 B |
| 11/05/2025 | $69.46 | $70.44 (1.41%) | $70.63 | $69.21 | 3.90 M | $29.58 B |
| 11/04/2025 | $69.65 | $69.79 (0.2%) | $70.09 | $68.57 | 4.50 M | $29.30 B |
| 11/03/2025 | $67.85 | $69.38 (2.25%) | $70.24 | $67.79 | 7.96 M | $29.13 B |
| 10/31/2025 | $68.76 | $68.81 (0.07%) | $69.14 | $66.41 | 7.02 M | $28.89 B |
| 10/30/2025 | $70.66 | $69.64 (-1.44%) | $70.76 | $68.40 | 5.18 M | $29.24 B |
| 10/29/2025 | $72.33 | $70.51 (-2.52%) | $72.50 | $63.82 | 15.48 M | $29.61 B |
| 10/28/2025 | $77.88 | $78.23 (0.45%) | $78.95 | $77.40 | 3.54 M | $32.85 B |
| 10/27/2025 | $77.89 | $78.12 (0.3%) | $79.08 | $77.40 | 2.80 M | $32.80 B |
| 10/24/2025 | $78.14 | $77.89 (-0.32%) | $78.72 | $77.58 | 2.14 M | $32.68 B |
| 10/23/2025 | $77.14 | $77.66 (0.67%) | $77.84 | $76.43 | 1.82 M | $32.59 B |
| 10/22/2025 | $77.00 | $77.19 (0.25%) | $78.13 | $76.46 | 2.29 M | $32.39 B |
| 10/21/2025 | $74.64 | $76.85 (2.96%) | $76.98 | $74.13 | 2.90 M | $32.25 B |
| 10/20/2025 | $74.02 | $74.96 (1.27%) | $75.03 | $73.92 | 1.98 M | $31.45 B |
| 10/17/2025 | $74.18 | $73.99 (-0.26%) | $74.89 | $73.58 | 2.92 M | $31.05 B |
| 10/16/2025 | $75.63 | $74.35 (-1.69%) | $76.32 | $73.97 | 2.43 M | $31.20 B |
| 10/15/2025 | $75.65 | $75.19 (-0.61%) | $75.97 | $74.26 | 2.91 M | $31.55 B |
| 10/14/2025 | $74.56 | $75.73 (1.57%) | $76.09 | $74.50 | 3.31 M | $31.78 B |
| 10/13/2025 | $76.42 | $75.18 (-1.62%) | $76.42 | $75.11 | 3.16 M | $31.55 B |
| 10/10/2025 | $77.43 | $75.58 (-2.39%) | $77.82 | $75.39 | 3.03 M | $31.71 B |
| 10/09/2025 | $79.01 | $77.53 (-1.87%) | $79.21 | $77.40 | 2.61 M | $32.53 B |
| 10/08/2025 | $80.45 | $79.00 (-1.8%) | $80.55 | $78.60 | 4.22 M | $33.15 B |
| 10/07/2025 | $81.22 | $80.60 (-0.76%) | $81.45 | $79.80 | 2.36 M | $33.82 B |
| 10/06/2025 | $85.11 | $81.15 (-4.65%) | $85.24 | $80.58 | 4.23 M | $34.05 B |
| 10/03/2025 | $84.20 | $84.80 (0.71%) | $85.08 | $84.11 | 2.67 M | $35.58 B |
| 10/02/2025 | $83.20 | $83.90 (0.84%) | $84.52 | $82.58 | 2.86 M | $35.20 B |
| 10/01/2025 | $84.22 | $83.48 (-0.88%) | $84.76 | $82.90 | 2.86 M | $35.03 B |
| 09/30/2025 | $84.22 | $84.37 (0.18%) | $84.86 | $83.15 | 3.58 M | $35.40 B |
| 09/29/2025 | $84.73 | $84.23 (-0.59%) | $84.73 | $83.66 | 2.39 M | $35.34 B |
| 09/26/2025 | $83.09 | $83.99 (1.08%) | $84.41 | $82.79 | 3.09 M | $35.24 B |
| 09/25/2025 | $84.05 | $83.09 (-1.14%) | $84.42 | $82.91 | 3.28 M | $34.86 B |
| 09/24/2025 | $85.56 | $84.05 (-1.76%) | $85.60 | $83.86 | 2.70 M | $35.27 B |
| 09/23/2025 | $86.32 | $85.31 (-1.17%) | $86.57 | $85.06 | 3.31 M | $35.80 B |
| 09/22/2025 | $86.70 | $86.31 (-0.45%) | $86.99 | $85.27 | 2.83 M | $36.22 B |
| 09/19/2025 | $89.40 | $87.10 (-2.57%) | $89.80 | $86.92 | 5.82 M | $36.55 B |
| 09/18/2025 | $87.91 | $89.26 (1.54%) | $89.56 | $87.51 | 2.18 M | $37.45 B |
| 09/17/2025 | $88.72 | $87.87 (-0.96%) | $90.72 | $87.78 | 3.01 M | $36.87 B |
| 09/16/2025 | $88.63 | $88.13 (-0.56%) | $88.84 | $87.22 | 2.12 M | $36.98 B |
| 09/15/2025 | $87.14 | $88.97 (2.1%) | $89.46 | $87.13 | 2.95 M | $37.33 B |
| 09/12/2025 | $86.68 | $86.80 (0.14%) | $87.39 | $86.43 | 1.26 M | $36.42 B |
| 09/11/2025 | $86.48 | $87.06 (0.67%) | $87.52 | $86.19 | 2.32 M | $36.53 B |
| 09/10/2025 | $88.26 | $86.30 (-2.22%) | $88.33 | $85.13 | 3.25 M | $36.21 B |
| 09/09/2025 | $87.88 | $88.14 (0.3%) | $88.74 | $87.12 | 2.63 M | $36.98 B |
| 09/08/2025 | $89.16 | $88.06 (-1.23%) | $91.01 | $87.84 | 2.83 M | $36.95 B |
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