CoStar Group, Inc. (CSGP)
NASDAQ: CSGP · Real-Time Price · USD
48.91
+1.31 (2.75%)
At close: Mar 5, 2026, 4:00 PM EST
48.95
+0.04 (0.08%)
Pre-market: Mar 6, 2026, 5:51 AM EST
CoStar Group Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 5, 2026 | 47.48 | 49.03 | 47.27 | 48.91 | 48.91 | 2.75% | 5,808,273 |
| Mar 4, 2026 | 46.81 | 48.25 | 46.81 | 47.60 | 47.60 | 1.75% | 4,273,846 |
| Mar 3, 2026 | 45.88 | 47.37 | 44.78 | 46.78 | 46.78 | 3.56% | 5,562,846 |
| Mar 2, 2026 | 43.58 | 45.38 | 43.16 | 45.17 | 45.17 | 1.21% | 6,315,429 |
| Feb 27, 2026 | 43.99 | 45.41 | 43.74 | 44.63 | 44.63 | -0.82% | 7,939,278 |
| Feb 26, 2026 | 45.54 | 46.12 | 44.79 | 45.00 | 45.00 | 0.49% | 7,612,485 |
| Feb 25, 2026 | 46.59 | 47.10 | 43.17 | 44.78 | 44.78 | -8.89% | 11,623,329 |
| Feb 24, 2026 | 47.56 | 49.75 | 47.33 | 49.15 | 49.15 | 2.67% | 5,509,933 |
| Feb 23, 2026 | 49.39 | 50.07 | 47.81 | 47.87 | 47.87 | -4.01% | 7,208,782 |
| Feb 20, 2026 | 50.05 | 52.08 | 49.43 | 49.87 | 49.87 | 1.63% | 7,877,812 |
| Feb 19, 2026 | 48.53 | 49.48 | 48.05 | 49.07 | 49.07 | 0.27% | 5,214,513 |
| Feb 18, 2026 | 46.37 | 49.07 | 46.37 | 48.94 | 48.94 | 7.00% | 7,953,634 |
| Feb 17, 2026 | 44.97 | 45.82 | 43.80 | 45.74 | 45.74 | 1.67% | 8,853,812 |
| Feb 13, 2026 | 45.34 | 45.90 | 44.55 | 44.99 | 44.99 | -0.09% | 5,453,823 |
| Feb 12, 2026 | 47.72 | 48.04 | 43.92 | 45.03 | 45.03 | -5.93% | 10,302,976 |
| Feb 11, 2026 | 50.31 | 50.31 | 46.78 | 47.87 | 47.87 | -5.86% | 6,215,646 |
| Feb 10, 2026 | 50.20 | 52.35 | 50.20 | 50.85 | 50.85 | -0.22% | 5,790,917 |
| Feb 9, 2026 | 49.64 | 51.36 | 48.56 | 50.96 | 50.96 | 1.35% | 8,255,061 |
| Feb 6, 2026 | 51.13 | 51.69 | 48.76 | 50.28 | 50.28 | -1.39% | 6,740,889 |
| Feb 5, 2026 | 52.78 | 53.32 | 50.72 | 50.99 | 50.99 | -2.58% | 7,440,534 |
| Feb 4, 2026 | 52.14 | 53.38 | 50.59 | 52.34 | 52.34 | 1.18% | 11,027,024 |
| Feb 3, 2026 | 60.13 | 60.39 | 51.57 | 51.73 | 51.73 | -15.45% | 12,741,796 |
| Feb 2, 2026 | 61.46 | 62.67 | 61.04 | 61.18 | 61.18 | -0.52% | 6,009,684 |
| Jan 30, 2026 | 61.51 | 62.38 | 60.77 | 61.50 | 61.50 | -0.69% | 4,662,720 |
| Jan 29, 2026 | 65.31 | 65.46 | 61.61 | 61.93 | 61.93 | -5.02% | 4,516,339 |
| Jan 28, 2026 | 66.98 | 67.68 | 65.15 | 65.20 | 65.20 | -1.54% | 4,236,025 |
| Jan 27, 2026 | 69.28 | 70.57 | 65.69 | 66.22 | 66.22 | 0.62% | 17,794,188 |
| Jan 26, 2026 | 65.95 | 67.06 | 65.75 | 65.81 | 65.81 | 0.32% | 4,021,658 |
| Jan 23, 2026 | 65.72 | 66.68 | 65.26 | 65.60 | 65.60 | -1.00% | 4,984,532 |
| Jan 22, 2026 | 64.87 | 67.79 | 64.69 | 66.26 | 66.26 | 2.30% | 6,983,298 |
| Jan 21, 2026 | 63.98 | 64.96 | 62.81 | 64.77 | 64.77 | 1.49% | 6,366,460 |
| Jan 20, 2026 | 64.09 | 64.81 | 63.17 | 63.82 | 63.82 | -2.33% | 5,721,396 |
| Jan 16, 2026 | 63.41 | 65.93 | 63.14 | 65.34 | 65.34 | 3.09% | 7,622,875 |
| Jan 15, 2026 | 63.97 | 64.58 | 62.08 | 63.38 | 63.38 | -0.77% | 5,471,880 |
| Jan 14, 2026 | 61.42 | 63.93 | 61.14 | 63.87 | 63.87 | 3.32% | 8,203,352 |
| Jan 13, 2026 | 58.91 | 62.52 | 58.14 | 61.82 | 61.82 | 4.25% | 12,699,286 |
| Jan 12, 2026 | 58.49 | 59.44 | 57.01 | 59.30 | 59.30 | 1.38% | 8,883,496 |
| Jan 9, 2026 | 61.36 | 61.83 | 58.41 | 58.49 | 58.49 | -4.68% | 7,690,623 |
| Jan 8, 2026 | 60.61 | 62.89 | 60.19 | 61.36 | 61.36 | -0.49% | 8,338,141 |
| Jan 7, 2026 | 68.26 | 68.98 | 61.57 | 61.66 | 61.66 | -8.24% | 13,759,011 |
| Jan 6, 2026 | 66.02 | 67.64 | 65.23 | 67.20 | 67.20 | 1.17% | 3,143,273 |
| Jan 5, 2026 | 65.60 | 67.38 | 65.22 | 66.42 | 66.42 | 1.11% | 4,369,181 |
| Jan 2, 2026 | 67.11 | 67.22 | 65.23 | 65.69 | 65.69 | -2.31% | 4,368,222 |
| Dec 31, 2025 | 67.86 | 67.86 | 67.00 | 67.24 | 67.24 | -0.91% | 2,069,592 |
| Dec 30, 2025 | 67.24 | 67.96 | 66.98 | 67.86 | 67.86 | 0.38% | 2,678,415 |
| Dec 29, 2025 | 67.09 | 67.90 | 66.65 | 67.60 | 67.60 | 0.88% | 3,300,912 |
| Dec 26, 2025 | 66.72 | 67.18 | 66.48 | 67.01 | 67.01 | 0.18% | 2,295,058 |
| Dec 24, 2025 | 66.34 | 67.27 | 66.30 | 66.89 | 66.89 | 0.38% | 992,758 |
| Dec 23, 2025 | 66.60 | 66.88 | 65.79 | 66.64 | 66.64 | 0.06% | 2,723,477 |
| Dec 22, 2025 | 65.12 | 66.69 | 64.97 | 66.60 | 66.60 | 2.10% | 4,613,830 |
| Dec 19, 2025 | 64.41 | 65.84 | 63.99 | 65.23 | 65.23 | 0.54% | 9,576,214 |
| Dec 18, 2025 | 65.01 | 65.50 | 64.65 | 64.88 | 64.88 | 0.08% | 5,129,500 |
| Dec 17, 2025 | 63.62 | 65.09 | 63.60 | 64.83 | 64.83 | 1.90% | 5,365,647 |
| Dec 16, 2025 | 64.00 | 64.89 | 63.36 | 63.62 | 63.62 | -0.20% | 4,762,047 |
| Dec 15, 2025 | 68.25 | 68.25 | 62.00 | 63.75 | 63.75 | -6.57% | 8,312,661 |
| Dec 12, 2025 | 67.92 | 68.51 | 67.74 | 68.23 | 68.23 | 1.13% | 3,147,285 |
| Dec 11, 2025 | 67.76 | 68.50 | 67.16 | 67.47 | 67.47 | -0.59% | 3,408,400 |
| Dec 10, 2025 | 67.80 | 68.58 | 67.29 | 67.87 | 67.87 | -0.09% | 2,744,006 |
| Dec 9, 2025 | 66.52 | 68.49 | 66.34 | 67.93 | 67.93 | 2.41% | 2,774,458 |
| Dec 8, 2025 | 67.92 | 67.95 | 66.08 | 66.33 | 66.33 | -2.47% | 3,429,321 |
| Dec 5, 2025 | 67.81 | 68.77 | 67.47 | 68.01 | 68.01 | -0.26% | 2,950,746 |
| Dec 4, 2025 | 69.00 | 69.06 | 68.08 | 68.19 | 68.19 | -1.20% | 2,329,218 |
| Dec 3, 2025 | 68.22 | 69.12 | 68.03 | 69.02 | 69.02 | 1.20% | 2,449,698 |
| Dec 2, 2025 | 68.33 | 68.64 | 67.49 | 68.20 | 68.20 | 0.26% | 3,120,829 |
| Dec 1, 2025 | 67.97 | 69.30 | 67.85 | 68.02 | 68.02 | -1.13% | 3,026,523 |
| Nov 28, 2025 | 68.45 | 68.90 | 67.74 | 68.80 | 68.80 | 1.45% | 1,806,665 |
| Nov 26, 2025 | 68.75 | 69.12 | 67.78 | 67.82 | 67.82 | -1.99% | 3,287,376 |
| Nov 25, 2025 | 67.98 | 69.36 | 67.16 | 69.20 | 69.20 | 2.44% | 3,746,797 |
| Nov 24, 2025 | 67.42 | 68.27 | 66.95 | 67.55 | 67.55 | 0.45% | 10,979,939 |
| 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 |