Costar Group, Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-01-29 | 65.310 | 65.460 | 61.610 | 61.930 | 61.930 | 4,517,349 |
| 2026-01-28 | 66.975 | 67.680 | 65.150 | 65.200 | 65.200 | 4,374,831 |
| 2026-01-27 | 69.275 | 70.570 | 65.685 | 66.220 | 66.220 | 17,993,359 |
| 2026-01-26 | 65.950 | 67.060 | 65.750 | 65.810 | 65.810 | 4,026,603 |
| 2026-01-23 | 65.720 | 66.680 | 65.260 | 65.600 | 65.600 | 4,985,944 |
| 2026-01-22 | 64.870 | 67.790 | 64.690 | 66.260 | 66.260 | 7,257,174 |
| 2026-01-21 | 63.980 | 64.960 | 62.805 | 64.770 | 64.770 | 6,367,541 |
| 2026-01-20 | 64.090 | 64.805 | 63.170 | 63.820 | 63.820 | 5,721,396 |
| 2026-01-16 | 63.410 | 65.926 | 63.140 | 65.340 | 65.340 | 7,622,875 |
| 2026-01-15 | 63.970 | 64.580 | 62.080 | 63.380 | 63.380 | 5,471,880 |
| 2026-01-14 | 61.420 | 63.930 | 61.140 | 63.870 | 63.870 | 8,203,352 |
| 2026-01-13 | 58.910 | 62.520 | 58.135 | 61.820 | 61.820 | 12,699,290 |
| 2026-01-12 | 58.490 | 59.440 | 57.010 | 59.300 | 59.300 | 8,883,496 |
| 2026-01-09 | 61.360 | 61.830 | 58.410 | 58.490 | 58.490 | 7,690,623 |
| 2026-01-08 | 60.610 | 62.890 | 60.190 | 61.360 | 61.360 | 8,338,141 |
| 2026-01-07 | 68.260 | 68.980 | 61.570 | 61.660 | 61.660 | 13,759,010 |
| 2026-01-06 | 66.020 | 67.640 | 65.230 | 67.200 | 67.200 | 3,143,273 |
| 2026-01-05 | 65.600 | 67.380 | 65.220 | 66.420 | 66.420 | 4,369,181 |
| 2026-01-02 | 67.110 | 67.220 | 65.225 | 65.690 | 65.690 | 4,368,222 |
| 2025-12-31 | 67.860 | 67.860 | 67.000 | 67.240 | 67.240 | 2,069,592 |
| 2025-12-30 | 67.240 | 67.960 | 66.975 | 67.860 | 67.860 | 2,678,415 |
| 2025-12-29 | 67.090 | 67.900 | 66.650 | 67.600 | 67.600 | 3,300,912 |
| 2025-12-26 | 66.720 | 67.175 | 66.480 | 67.010 | 67.010 | 2,295,058 |
| 2025-12-24 | 66.340 | 67.265 | 66.300 | 66.890 | 66.890 | 992,758 |
| 2025-12-23 | 66.600 | 66.880 | 65.790 | 66.640 | 66.640 | 2,723,477 |
| 2025-12-22 | 65.120 | 66.690 | 64.965 | 66.600 | 66.600 | 4,613,830 |
| 2025-12-19 | 64.410 | 65.840 | 63.990 | 65.230 | 65.230 | 9,576,214 |
| 2025-12-18 | 65.010 | 65.500 | 64.650 | 64.880 | 64.880 | 5,129,500 |
| 2025-12-17 | 63.620 | 65.085 | 63.595 | 64.830 | 64.830 | 5,365,647 |
| 2025-12-16 | 64.000 | 64.890 | 63.360 | 63.620 | 63.620 | 4,762,047 |
| 2025-12-15 | 68.250 | 68.250 | 62.000 | 63.750 | 63.750 | 8,312,661 |
| 2025-12-12 | 67.920 | 68.510 | 67.735 | 68.230 | 68.230 | 3,147,285 |
| 2025-12-11 | 67.760 | 68.498 | 67.160 | 67.470 | 67.470 | 3,408,400 |
| 2025-12-10 | 67.800 | 68.580 | 67.285 | 67.870 | 67.870 | 2,744,006 |
| 2025-12-09 | 66.520 | 68.490 | 66.340 | 67.930 | 67.930 | 2,774,458 |
| 2025-12-08 | 67.920 | 67.950 | 66.075 | 66.330 | 66.330 | 3,429,321 |
| 2025-12-05 | 67.810 | 68.770 | 67.468 | 68.010 | 68.010 | 2,950,746 |
| 2025-12-04 | 69.000 | 69.060 | 68.080 | 68.190 | 68.190 | 2,329,218 |
| 2025-12-03 | 68.220 | 69.120 | 68.030 | 69.020 | 69.020 | 2,449,698 |
| 2025-12-02 | 68.330 | 68.640 | 67.490 | 68.200 | 68.200 | 3,120,829 |
| 2025-12-01 | 67.970 | 69.300 | 67.850 | 68.020 | 68.020 | 3,026,120 |
| 2025-11-28 | 68.445 | 68.900 | 67.740 | 68.800 | 68.800 | 1,806,660 |
| 2025-11-26 | 68.750 | 69.120 | 67.780 | 67.820 | 67.820 | 3,287,376 |
| 2025-11-25 | 67.980 | 69.355 | 67.155 | 69.200 | 69.200 | 3,746,797 |
| 2025-11-24 | 67.420 | 68.270 | 66.945 | 67.550 | 67.550 | 10,979,940 |
| 2025-11-21 | 65.980 | 67.590 | 65.900 | 67.250 | 67.250 | 5,769,901 |
| 2025-11-20 | 66.730 | 66.810 | 64.720 | 65.520 | 65.520 | 5,403,137 |
| 2025-11-19 | 66.425 | 66.515 | 65.450 | 66.020 | 66.020 | 3,903,231 |
| 2025-11-18 | 67.000 | 67.415 | 66.225 | 66.810 | 66.810 | 3,961,848 |
| 2025-11-17 | 68.050 | 69.020 | 66.630 | 67.000 | 67.000 | 3,346,156 |
| 2025-11-14 | 68.340 | 69.060 | 67.860 | 68.050 | 68.050 | 3,648,659 |
| 2025-11-13 | 68.500 | 69.130 | 68.255 | 68.530 | 68.530 | 4,617,055 |
| 2025-11-12 | 68.270 | 69.290 | 67.420 | 69.020 | 69.020 | 4,608,810 |
| 2025-11-11 | 67.510 | 68.675 | 66.970 | 68.410 | 68.410 | 3,683,766 |
| 2025-11-10 | 67.520 | 67.550 | 66.270 | 67.230 | 67.230 | 3,887,935 |
| 2025-11-07 | 67.380 | 68.340 | 66.590 | 67.520 | 67.520 | 4,196,327 |
| 2025-11-06 | 70.050 | 70.560 | 67.140 | 67.360 | 67.360 | 4,764,016 |
| 2025-11-05 | 69.460 | 70.625 | 69.210 | 70.440 | 70.440 | 3,897,903 |
| 2025-11-04 | 69.650 | 70.090 | 68.565 | 69.790 | 69.790 | 4,498,511 |
| 2025-11-03 | 67.850 | 70.240 | 67.790 | 69.380 | 69.380 | 7,955,895 |
Stock splits
| Date | Split (new : old) |
|---|---|
| 2021-06-28 | 10:1 |
Dividends
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.