Costar Group, Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-31 | 68.760 | 69.140 | 66.410 | 68.810 | 68.810 | 7,020,490 |
| 2025-10-30 | 70.660 | 70.755 | 68.400 | 69.640 | 69.640 | 5,184,631 |
| 2025-10-29 | 72.335 | 72.500 | 63.820 | 70.510 | 70.510 | 15,475,610 |
| 2025-10-28 | 77.880 | 78.950 | 77.395 | 78.230 | 78.230 | 3,543,923 |
| 2025-10-27 | 77.890 | 79.080 | 77.400 | 78.120 | 78.120 | 2,804,469 |
| 2025-10-24 | 78.140 | 78.720 | 77.575 | 77.890 | 77.890 | 2,142,508 |
| 2025-10-23 | 77.140 | 77.840 | 76.430 | 77.660 | 77.660 | 1,823,387 |
| 2025-10-22 | 77.000 | 78.130 | 76.455 | 77.190 | 77.190 | 2,287,172 |
| 2025-10-21 | 74.640 | 76.980 | 74.130 | 76.850 | 76.850 | 2,897,341 |
| 2025-10-20 | 74.020 | 75.030 | 73.920 | 74.960 | 74.960 | 1,984,585 |
| 2025-10-17 | 74.180 | 74.885 | 73.580 | 73.990 | 73.990 | 2,915,982 |
| 2025-10-16 | 75.630 | 76.320 | 73.970 | 74.350 | 74.350 | 2,427,614 |
| 2025-10-15 | 75.650 | 75.970 | 74.260 | 75.190 | 75.190 | 2,913,443 |
| 2025-10-14 | 74.560 | 76.090 | 74.500 | 75.730 | 75.730 | 3,307,603 |
| 2025-10-13 | 76.420 | 76.420 | 75.115 | 75.180 | 75.180 | 3,160,190 |
| 2025-10-10 | 77.430 | 77.815 | 75.390 | 75.580 | 75.580 | 3,028,482 |
| 2025-10-09 | 79.005 | 79.210 | 77.400 | 77.525 | 77.525 | 2,609,738 |
| 2025-10-08 | 80.450 | 80.550 | 78.600 | 79.000 | 79.000 | 4,221,279 |
| 2025-10-07 | 81.220 | 81.450 | 79.800 | 80.600 | 80.600 | 2,364,929 |
| 2025-10-06 | 85.110 | 85.240 | 80.580 | 81.150 | 81.150 | 4,225,129 |
| 2025-10-03 | 84.200 | 85.080 | 84.110 | 84.800 | 84.800 | 2,671,918 |
| 2025-10-02 | 83.200 | 84.520 | 82.579 | 83.900 | 83.900 | 2,863,325 |
| 2025-10-01 | 84.215 | 84.760 | 82.895 | 83.480 | 83.480 | 2,856,338 |
| 2025-09-30 | 84.220 | 84.860 | 83.150 | 84.370 | 84.370 | 3,583,420 |
| 2025-09-29 | 84.730 | 84.730 | 83.660 | 84.230 | 84.230 | 2,394,433 |
| 2025-09-26 | 83.090 | 84.410 | 82.795 | 83.990 | 83.990 | 3,091,205 |
| 2025-09-25 | 84.050 | 84.420 | 82.910 | 83.090 | 83.090 | 3,275,545 |
| 2025-09-24 | 85.560 | 85.600 | 83.860 | 84.050 | 84.050 | 2,703,819 |
| 2025-09-23 | 86.320 | 86.570 | 85.060 | 85.310 | 85.310 | 3,309,883 |
| 2025-09-22 | 86.700 | 86.990 | 85.270 | 86.310 | 86.310 | 2,828,004 |
| 2025-09-19 | 89.400 | 89.800 | 86.920 | 87.100 | 87.100 | 5,822,569 |
| 2025-09-18 | 87.910 | 89.560 | 87.505 | 89.260 | 89.260 | 2,177,142 |
| 2025-09-17 | 88.720 | 90.720 | 87.780 | 87.870 | 87.870 | 3,011,615 |
| 2025-09-16 | 88.630 | 88.835 | 87.215 | 88.130 | 88.130 | 2,116,033 |
| 2025-09-15 | 87.140 | 89.460 | 87.130 | 88.970 | 88.970 | 2,954,115 |
| 2025-09-12 | 86.680 | 87.390 | 86.430 | 86.800 | 86.800 | 1,261,443 |
| 2025-09-11 | 86.480 | 87.520 | 86.190 | 87.060 | 87.060 | 2,322,428 |
| 2025-09-10 | 88.260 | 88.330 | 85.130 | 86.300 | 86.300 | 3,254,024 |
| 2025-09-09 | 87.880 | 88.740 | 87.120 | 88.140 | 88.140 | 2,625,984 |
| 2025-09-08 | 89.160 | 91.005 | 87.840 | 88.060 | 88.060 | 2,826,633 |
| 2025-09-05 | 89.770 | 91.890 | 89.150 | 89.460 | 89.460 | 1,666,570 |
| 2025-09-04 | 88.160 | 89.160 | 87.550 | 89.100 | 89.100 | 1,652,884 |
| 2025-09-03 | 88.100 | 88.820 | 87.350 | 87.860 | 87.860 | 2,066,188 |
| 2025-09-02 | 88.870 | 88.980 | 87.480 | 88.120 | 88.120 | 2,081,151 |
| 2025-08-29 | 90.140 | 90.540 | 89.110 | 89.490 | 89.490 | 1,974,761 |
| 2025-08-28 | 89.520 | 90.600 | 88.710 | 90.330 | 90.330 | 1,988,975 |
| 2025-08-27 | 89.120 | 89.660 | 88.140 | 89.450 | 89.450 | 1,877,535 |
| 2025-08-26 | 90.370 | 90.585 | 88.830 | 89.370 | 89.370 | 2,247,228 |
| 2025-08-25 | 90.860 | 91.480 | 90.290 | 90.510 | 90.510 | 1,687,481 |
| 2025-08-22 | 88.520 | 91.500 | 88.520 | 91.220 | 91.220 | 2,876,277 |
| 2025-08-21 | 87.680 | 88.660 | 87.490 | 88.360 | 88.360 | 2,065,804 |
| 2025-08-20 | 89.000 | 89.560 | 88.210 | 88.250 | 88.250 | 2,881,769 |
| 2025-08-19 | 88.230 | 89.395 | 87.645 | 88.950 | 88.950 | 2,452,159 |
| 2025-08-18 | 89.265 | 89.500 | 88.100 | 88.160 | 88.160 | 2,725,642 |
| 2025-08-15 | 87.970 | 89.720 | 87.725 | 89.660 | 89.660 | 2,534,755 |
| 2025-08-14 | 87.340 | 89.320 | 87.170 | 87.970 | 87.970 | 2,943,620 |
| 2025-08-13 | 89.150 | 89.299 | 84.570 | 87.560 | 87.560 | 5,494,975 |
| 2025-08-12 | 92.820 | 92.985 | 87.780 | 88.460 | 88.460 | 5,088,579 |
| 2025-08-11 | 94.230 | 94.950 | 92.330 | 92.500 | 92.500 | 2,477,861 |
| 2025-08-08 | 95.530 | 96.270 | 94.330 | 94.500 | 94.500 | 2,429,530 |
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.