5 DAY PERFORMANCE
+11.76%
1 MONTH PERFORMANCE
-21.22%
3 MONTH PERFORMANCE
-23.26%
6 MONTH PERFORMANCE
-43.03%
YEAR-TO-DATE PERFORMANCE
-25.22%
1 YEAR PERFORMANCE
-35.81%
Costar Group, Inc. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 02/20/2026 | $50.05 | $49.87 (-0.36%) | $52.08 | $49.43 | 7.88 M | $21.13 B |
| 02/19/2026 | $48.53 | $49.07 (1.11%) | $49.48 | $48.05 | 5.22 M | $20.60 B |
| 02/18/2026 | $46.37 | $48.94 (5.54%) | $49.07 | $46.37 | 7.99 M | $20.55 B |
| 02/17/2026 | $44.97 | $45.74 (1.71%) | $45.82 | $43.80 | 8.85 M | $19.21 B |
| 02/13/2026 | $45.34 | $44.99 (-0.77%) | $45.90 | $44.55 | 5.53 M | $18.89 B |
| 02/12/2026 | $47.72 | $45.03 (-5.64%) | $48.04 | $43.92 | 10.33 M | $18.91 B |
| 02/11/2026 | $50.31 | $47.87 (-4.85%) | $50.31 | $46.78 | 6.23 M | $20.10 B |
| 02/10/2026 | $50.20 | $50.85 (1.29%) | $52.35 | $50.20 | 5.96 M | $21.35 B |
| 02/09/2026 | $49.64 | $50.96 (2.66%) | $51.36 | $48.56 | 8.65 M | $21.40 B |
| 02/06/2026 | $51.13 | $50.28 (-1.66%) | $51.69 | $48.76 | 6.76 M | $21.11 B |
| 02/05/2026 | $52.78 | $50.99 (-3.39%) | $53.32 | $50.72 | 7.44 M | $21.41 B |
| 02/04/2026 | $52.14 | $52.34 (0.38%) | $53.38 | $50.59 | 11.03 M | $21.98 B |
| 02/03/2026 | $60.13 | $51.73 (-13.97%) | $60.39 | $51.57 | 12.88 M | $21.72 B |
| 02/02/2026 | $61.46 | $61.18 (-0.46%) | $62.67 | $61.04 | 6.01 M | $25.69 B |
| 01/30/2026 | $61.51 | $61.50 (-0.02%) | $62.38 | $60.77 | 4.66 M | $25.82 B |
| 01/29/2026 | $65.31 | $61.93 (-5.18%) | $65.46 | $61.61 | 4.52 M | $26.00 B |
| 01/28/2026 | $66.97 | $65.20 (-2.64%) | $67.68 | $65.15 | 4.37 M | $27.38 B |
| 01/27/2026 | $69.28 | $66.22 (-4.42%) | $70.57 | $65.69 | 17.99 M | $27.81 B |
| 01/26/2026 | $65.95 | $65.81 (-0.21%) | $67.06 | $65.75 | 4.03 M | $27.63 B |
| 01/23/2026 | $65.72 | $65.60 (-0.18%) | $66.68 | $65.26 | 4.99 M | $27.55 B |
| 01/22/2026 | $64.87 | $66.26 (2.14%) | $67.79 | $64.69 | 7.26 M | $27.82 B |
| 01/21/2026 | $63.98 | $64.77 (1.23%) | $64.96 | $62.81 | 6.37 M | $27.20 B |
| 01/20/2026 | $64.09 | $63.82 (-0.42%) | $64.81 | $63.17 | 5.72 M | $26.80 B |
| 01/16/2026 | $63.41 | $65.34 (3.04%) | $65.93 | $63.14 | 7.62 M | $27.44 B |
| 01/15/2026 | $63.97 | $63.38 (-0.92%) | $64.58 | $62.08 | 5.47 M | $26.61 B |
| 01/14/2026 | $61.42 | $63.87 (3.99%) | $63.93 | $61.14 | 8.20 M | $26.82 B |
| 01/13/2026 | $58.91 | $61.82 (4.94%) | $62.52 | $58.14 | 12.70 M | $25.96 B |
| 01/12/2026 | $58.49 | $59.30 (1.38%) | $59.44 | $57.01 | 8.88 M | $24.90 B |
| 01/09/2026 | $61.36 | $58.49 (-4.68%) | $61.83 | $58.41 | 7.69 M | $24.56 B |
| 01/08/2026 | $60.61 | $61.36 (1.24%) | $62.89 | $60.19 | 8.34 M | $25.77 B |
| 01/07/2026 | $68.26 | $61.66 (-9.67%) | $68.98 | $61.57 | 13.76 M | $25.89 B |
| 01/06/2026 | $66.02 | $67.20 (1.79%) | $67.64 | $65.23 | 3.14 M | $28.22 B |
| 01/05/2026 | $65.60 | $66.42 (1.25%) | $67.38 | $65.22 | 4.37 M | $27.89 B |
| 01/02/2026 | $67.11 | $65.69 (-2.12%) | $67.22 | $65.22 | 4.37 M | $27.58 B |
| 12/31/2025 | $67.86 | $67.24 (-0.91%) | $67.86 | $67.00 | 2.07 M | $28.23 B |
| 12/30/2025 | $67.24 | $67.86 (0.92%) | $67.96 | $66.97 | 2.68 M | $28.49 B |
| 12/29/2025 | $67.09 | $67.60 (0.76%) | $67.90 | $66.65 | 3.30 M | $28.39 B |
| 12/26/2025 | $66.72 | $67.01 (0.43%) | $67.18 | $66.48 | 2.30 M | $28.14 B |
| 12/24/2025 | $66.34 | $66.89 (0.83%) | $67.27 | $66.30 | 992.80 K | $28.09 B |
| 12/23/2025 | $66.60 | $66.64 (0.06%) | $66.88 | $65.79 | 2.72 M | $27.98 B |
| 12/22/2025 | $65.12 | $66.60 (2.27%) | $66.69 | $64.97 | 4.61 M | $27.97 B |
| 12/19/2025 | $64.41 | $65.23 (1.27%) | $65.84 | $63.99 | 9.58 M | $27.39 B |
| 12/18/2025 | $65.01 | $64.88 (-0.2%) | $65.50 | $64.65 | 5.13 M | $27.24 B |
| 12/17/2025 | $63.62 | $64.83 (1.9%) | $65.08 | $63.60 | 5.37 M | $27.22 B |
| 12/16/2025 | $64.00 | $63.62 (-0.59%) | $64.89 | $63.36 | 4.76 M | $26.71 B |
| 12/15/2025 | $68.25 | $63.75 (-6.59%) | $68.25 | $62.00 | 8.31 M | $26.77 B |
| 12/12/2025 | $67.92 | $68.23 (0.46%) | $68.51 | $67.74 | 3.15 M | $28.65 B |
| 12/11/2025 | $67.76 | $67.47 (-0.43%) | $68.50 | $67.16 | 3.41 M | $28.33 B |
| 12/10/2025 | $67.80 | $67.87 (0.1%) | $68.58 | $67.29 | 2.74 M | $28.50 B |
| 12/09/2025 | $66.52 | $67.93 (2.12%) | $68.49 | $66.34 | 2.77 M | $28.52 B |
| 12/08/2025 | $67.92 | $66.33 (-2.34%) | $67.95 | $66.08 | 3.43 M | $27.85 B |
| 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 |
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