CoStar Group, Inc. (CSGP)
NASDAQ: CSGP · Real-Time Price · USD
68.01
-0.18 (-0.26%)
At close: Dec 5, 2025, 4:00 PM EST
69.00
+0.99 (1.46%)
After-hours: Dec 5, 2025, 7:37 PM EST
CoStar Group Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 67.81 | 68.77 | 67.47 | 68.01 | 68.01 | -0.26% | 2,903,531 |
| Dec 4, 2025 | 69.00 | 69.06 | 68.08 | 68.19 | 68.19 | -1.20% | 2,140,409 |
| Dec 3, 2025 | 68.22 | 69.12 | 68.03 | 69.02 | 69.02 | 1.20% | 2,304,909 |
| Dec 2, 2025 | 68.33 | 68.64 | 67.49 | 68.20 | 68.20 | 0.26% | 3,120,823 |
| Dec 1, 2025 | 67.97 | 69.30 | 67.85 | 68.02 | 68.02 | -1.13% | 3,026,121 |
| Nov 28, 2025 | 68.45 | 68.90 | 67.74 | 68.80 | 68.80 | 1.45% | 1,799,581 |
| Nov 26, 2025 | 68.75 | 69.12 | 67.78 | 67.82 | 67.82 | -1.99% | 3,277,604 |
| Nov 25, 2025 | 67.98 | 69.36 | 67.16 | 69.20 | 69.20 | 2.44% | 3,523,473 |
| Nov 24, 2025 | 67.42 | 68.27 | 66.95 | 67.55 | 67.55 | 0.45% | 10,506,117 |
| Nov 21, 2025 | 65.98 | 67.59 | 65.90 | 67.25 | 67.25 | 2.64% | 5,769,901 |
| Nov 20, 2025 | 66.73 | 66.81 | 64.72 | 65.52 | 65.52 | -0.76% | 5,403,137 |
| Nov 19, 2025 | 66.43 | 66.52 | 65.45 | 66.02 | 66.02 | -1.18% | 3,903,231 |
| Nov 18, 2025 | 67.00 | 67.42 | 66.23 | 66.81 | 66.81 | -0.28% | 3,961,848 |
| Nov 17, 2025 | 68.05 | 69.02 | 66.63 | 67.00 | 67.00 | -1.54% | 3,346,156 |
| Nov 14, 2025 | 68.34 | 69.06 | 67.86 | 68.05 | 68.05 | -0.70% | 3,648,659 |
| Nov 13, 2025 | 68.50 | 69.13 | 68.26 | 68.53 | 68.53 | -0.71% | 4,617,055 |
| Nov 12, 2025 | 68.27 | 69.29 | 67.42 | 69.02 | 69.02 | 0.89% | 4,608,810 |
| Nov 11, 2025 | 67.51 | 68.68 | 66.97 | 68.41 | 68.41 | 1.76% | 3,683,766 |
| Nov 10, 2025 | 67.52 | 67.55 | 66.27 | 67.23 | 67.23 | -0.43% | 3,887,935 |
| Nov 7, 2025 | 67.38 | 68.34 | 66.59 | 67.52 | 67.52 | 0.24% | 4,196,327 |
| Nov 6, 2025 | 70.05 | 70.56 | 67.14 | 67.36 | 67.36 | -4.37% | 4,764,016 |
| Nov 5, 2025 | 69.46 | 70.63 | 69.21 | 70.44 | 70.44 | 0.93% | 3,897,903 |
| Nov 4, 2025 | 69.65 | 70.09 | 68.57 | 69.79 | 69.79 | 0.59% | 4,498,511 |
| Nov 3, 2025 | 67.85 | 70.24 | 67.79 | 69.38 | 69.38 | 0.83% | 7,955,895 |
| Oct 31, 2025 | 68.76 | 69.14 | 66.41 | 68.81 | 68.81 | -1.19% | 7,020,490 |
| Oct 30, 2025 | 70.66 | 70.76 | 68.40 | 69.64 | 69.64 | -1.23% | 5,184,631 |
| Oct 29, 2025 | 72.34 | 72.50 | 63.82 | 70.51 | 70.51 | -9.87% | 15,475,608 |
| Oct 28, 2025 | 77.88 | 78.95 | 77.40 | 78.23 | 78.23 | 0.14% | 3,543,923 |
| Oct 27, 2025 | 77.89 | 79.08 | 77.40 | 78.12 | 78.12 | 0.30% | 2,804,469 |
| Oct 24, 2025 | 78.14 | 78.72 | 77.58 | 77.89 | 77.89 | 0.30% | 2,142,508 |
| Oct 23, 2025 | 77.14 | 77.84 | 76.43 | 77.66 | 77.66 | 0.61% | 1,823,387 |
| Oct 22, 2025 | 77.00 | 78.13 | 76.46 | 77.19 | 77.19 | 0.44% | 2,287,172 |
| Oct 21, 2025 | 74.64 | 76.98 | 74.13 | 76.85 | 76.85 | 2.52% | 2,897,341 |
| Oct 20, 2025 | 74.02 | 75.03 | 73.92 | 74.96 | 74.96 | 1.31% | 1,984,585 |
| Oct 17, 2025 | 74.18 | 74.89 | 73.58 | 73.99 | 73.99 | -0.48% | 2,915,982 |
| Oct 16, 2025 | 75.63 | 76.32 | 73.97 | 74.35 | 74.35 | -1.12% | 2,427,614 |
| Oct 15, 2025 | 75.65 | 75.97 | 74.26 | 75.19 | 75.19 | -0.71% | 2,913,443 |
| Oct 14, 2025 | 74.56 | 76.09 | 74.50 | 75.73 | 75.73 | 0.73% | 3,307,603 |
| Oct 13, 2025 | 76.42 | 76.42 | 75.12 | 75.18 | 75.18 | -0.53% | 3,160,190 |
| Oct 10, 2025 | 77.43 | 77.82 | 75.39 | 75.58 | 75.58 | -2.51% | 3,028,482 |
| Oct 9, 2025 | 79.01 | 79.21 | 77.40 | 77.53 | 77.53 | -1.87% | 2,609,738 |
| Oct 8, 2025 | 80.45 | 80.55 | 78.60 | 79.00 | 79.00 | -1.99% | 4,221,279 |
| Oct 7, 2025 | 81.22 | 81.45 | 79.80 | 80.60 | 80.60 | -0.68% | 2,364,929 |
| Oct 6, 2025 | 85.11 | 85.24 | 80.58 | 81.15 | 81.15 | -4.30% | 4,225,129 |
| Oct 3, 2025 | 84.20 | 85.08 | 84.11 | 84.80 | 84.80 | 1.07% | 2,671,918 |
| Oct 2, 2025 | 83.20 | 84.52 | 82.58 | 83.90 | 83.90 | 0.50% | 2,863,325 |
| Oct 1, 2025 | 84.22 | 84.76 | 82.90 | 83.48 | 83.48 | -1.05% | 2,856,338 |
| Sep 30, 2025 | 84.22 | 84.86 | 83.15 | 84.37 | 84.37 | 0.17% | 3,583,420 |
| Sep 29, 2025 | 84.73 | 84.73 | 83.66 | 84.23 | 84.23 | 0.29% | 2,394,433 |
| Sep 26, 2025 | 83.09 | 84.41 | 82.80 | 83.99 | 83.99 | 1.08% | 3,091,205 |
| Sep 25, 2025 | 84.05 | 84.42 | 82.91 | 83.09 | 83.09 | -1.14% | 3,275,545 |
| Sep 24, 2025 | 85.56 | 85.60 | 83.86 | 84.05 | 84.05 | -1.48% | 2,703,819 |
| Sep 23, 2025 | 86.32 | 86.57 | 85.06 | 85.31 | 85.31 | -1.16% | 3,309,883 |
| Sep 22, 2025 | 86.70 | 86.99 | 85.27 | 86.31 | 86.31 | -0.91% | 2,828,004 |
| Sep 19, 2025 | 89.40 | 89.80 | 86.92 | 87.10 | 87.10 | -2.42% | 5,822,569 |
| Sep 18, 2025 | 87.91 | 89.56 | 87.51 | 89.26 | 89.26 | 1.58% | 2,177,142 |
| Sep 17, 2025 | 88.72 | 90.72 | 87.78 | 87.87 | 87.87 | -0.30% | 3,011,615 |
| Sep 16, 2025 | 88.63 | 88.84 | 87.22 | 88.13 | 88.13 | -0.94% | 2,116,033 |
| Sep 15, 2025 | 87.14 | 89.46 | 87.13 | 88.97 | 88.97 | 2.50% | 2,954,115 |
| Sep 12, 2025 | 86.68 | 87.39 | 86.43 | 86.80 | 86.80 | -0.30% | 1,261,443 |
| Sep 11, 2025 | 86.48 | 87.52 | 86.19 | 87.06 | 87.06 | 0.88% | 2,322,428 |
| Sep 10, 2025 | 88.26 | 88.33 | 85.13 | 86.30 | 86.30 | -2.09% | 3,254,024 |
| Sep 9, 2025 | 87.88 | 88.74 | 87.12 | 88.14 | 88.14 | 0.09% | 2,625,984 |
| Sep 8, 2025 | 89.16 | 91.01 | 87.84 | 88.06 | 88.06 | -1.56% | 2,826,633 |
| Sep 5, 2025 | 89.77 | 91.89 | 89.15 | 89.46 | 89.46 | 0.40% | 1,666,570 |
| Sep 4, 2025 | 88.16 | 89.16 | 87.55 | 89.10 | 89.10 | 1.41% | 1,652,884 |
| Sep 3, 2025 | 88.10 | 88.82 | 87.35 | 87.86 | 87.86 | -0.30% | 2,066,188 |
| Sep 2, 2025 | 88.87 | 88.98 | 87.48 | 88.12 | 88.12 | -1.53% | 2,081,151 |
| Aug 29, 2025 | 90.14 | 90.54 | 89.11 | 89.49 | 89.49 | -0.93% | 1,974,761 |
| Aug 28, 2025 | 89.52 | 90.60 | 88.71 | 90.33 | 90.33 | 0.98% | 1,988,975 |
| Aug 27, 2025 | 89.12 | 89.66 | 88.14 | 89.45 | 89.45 | 0.09% | 1,877,535 |
| Aug 26, 2025 | 90.37 | 90.59 | 88.83 | 89.37 | 89.37 | -1.26% | 2,247,228 |
| Aug 25, 2025 | 90.86 | 91.48 | 90.29 | 90.51 | 90.51 | -0.78% | 1,687,481 |
| Aug 22, 2025 | 88.52 | 91.50 | 88.52 | 91.22 | 91.22 | 3.24% | 2,876,277 |
| Aug 21, 2025 | 87.68 | 88.66 | 87.49 | 88.36 | 88.36 | 0.12% | 2,065,804 |
| Aug 20, 2025 | 89.00 | 89.56 | 88.21 | 88.25 | 88.25 | -0.79% | 2,881,769 |
| Aug 19, 2025 | 88.23 | 89.40 | 87.65 | 88.95 | 88.95 | 0.90% | 2,452,159 |
| Aug 18, 2025 | 89.27 | 89.50 | 88.10 | 88.16 | 88.16 | -1.67% | 2,725,642 |
| Aug 15, 2025 | 87.97 | 89.72 | 87.73 | 89.66 | 89.66 | 1.92% | 2,534,755 |
| Aug 14, 2025 | 87.34 | 89.32 | 87.17 | 87.97 | 87.97 | 0.47% | 2,943,620 |
| Aug 13, 2025 | 89.15 | 89.30 | 84.57 | 87.56 | 87.56 | -1.02% | 5,494,975 |
| Aug 12, 2025 | 92.82 | 92.99 | 87.78 | 88.46 | 88.46 | -4.37% | 5,088,579 |
| Aug 11, 2025 | 94.23 | 94.95 | 92.33 | 92.50 | 92.50 | -2.12% | 2,477,861 |
| Aug 8, 2025 | 95.53 | 96.27 | 94.33 | 94.50 | 94.50 | -0.88% | 2,429,530 |
| Aug 7, 2025 | 96.83 | 97.12 | 95.25 | 95.34 | 95.34 | -0.99% | 2,185,701 |
| Aug 6, 2025 | 97.19 | 97.40 | 96.08 | 96.29 | 96.29 | -0.28% | 2,818,862 |
| Aug 5, 2025 | 96.89 | 97.43 | 96.03 | 96.56 | 96.56 | -0.28% | 2,878,202 |
| Aug 4, 2025 | 95.53 | 96.88 | 94.96 | 96.83 | 96.83 | 2.36% | 2,247,743 |
| Aug 1, 2025 | 94.70 | 95.35 | 93.70 | 94.60 | 94.60 | -0.62% | 2,841,265 |
| Jul 31, 2025 | 96.10 | 96.73 | 94.77 | 95.19 | 95.19 | -1.10% | 3,099,593 |
| Jul 30, 2025 | 95.51 | 97.15 | 95.14 | 96.25 | 96.25 | 0.69% | 3,576,286 |
| Jul 29, 2025 | 93.69 | 95.66 | 93.49 | 95.59 | 95.59 | 2.39% | 3,968,882 |
| Jul 28, 2025 | 92.85 | 93.67 | 92.42 | 93.36 | 93.36 | 0.42% | 2,619,096 |
| Jul 25, 2025 | 93.38 | 93.65 | 92.33 | 92.97 | 92.97 | 0.01% | 2,529,650 |
| Jul 24, 2025 | 90.84 | 93.75 | 90.47 | 92.96 | 92.96 | 2.15% | 4,461,607 |
| Jul 23, 2025 | 88.24 | 91.13 | 88.24 | 91.00 | 91.00 | 6.86% | 6,652,481 |
| Jul 22, 2025 | 85.02 | 86.59 | 84.26 | 85.16 | 85.16 | 0.18% | 4,521,120 |
| Jul 21, 2025 | 85.24 | 85.53 | 84.80 | 85.01 | 85.01 | 0.37% | 2,874,198 |
| Jul 18, 2025 | 85.32 | 85.42 | 84.42 | 84.70 | 84.70 | -0.29% | 2,046,798 |
| Jul 17, 2025 | 85.25 | 85.88 | 84.76 | 84.95 | 84.95 | -0.22% | 2,483,728 |