As of 2026-10-09, the Relative Valuation of CoStar Group Inc (CSGP) is 4.27 USD. This relative valuation is based on P/E multiples. With the latest stock price at 29.81 USD, the upside of CoStar Group Inc based on Relative Valuation is -85.7%.
The range of the Relative Valuation is 3.34 - 6.13 USD.
| Range | Selected | |
| Trailing P/E multiples | 25.4x - 33.8x | 26.3x |
| Forward P/E multiples | 25.5x - 31.3x | 28.8x |
| Fair Price | 3.34 - 6.13 | 4.27 |
| Upside | -88.8% - -79.4% | -85.7% |
| Date | P/E |
| 2026-10-08 | 164.12 |
| 2026-10-07 | 151.95 |
| 2026-10-06 | 152.12 |
| 2026-10-05 | 152.28 |
| 2026-10-02 | 150.74 |
| 2026-10-01 | 152.61 |
| 2026-09-30 | 150.85 |
| 2026-09-29 | 148.37 |
| 2026-09-28 | 148.76 |
| 2026-09-25 | 154.65 |
| 2026-09-24 | 153.35 |
| 2026-09-23 | 155.58 |
| 2026-09-22 | 158.39 |
| 2026-09-21 | 159.88 |
| 2026-09-18 | 160.15 |
| 2026-09-17 | 161.28 |
| 2026-09-16 | 167.15 |
| 2026-09-15 | 173.75 |
| 2026-09-14 | 173.53 |
| 2026-09-11 | 167.70 |
| 2026-09-10 | 162.36 |
| 2026-09-09 | 162.85 |
| 2026-09-08 | 167.03 |
| 2026-09-04 | 170.17 |
| 2026-09-03 | 174.41 |
| 2026-09-02 | 172.10 |
| 2026-09-01 | 176.06 |
| 2026-08-31 | 176.56 |
| 2026-08-28 | 177.39 |
| 2026-08-27 | 172.54 |
| 2026-08-26 | 176.94 |
| 2026-08-25 | 180.63 |
| 2026-08-24 | 180.80 |
| 2026-08-21 | 177.61 |
| 2026-08-20 | 177.61 |
| 2026-08-19 | 185.70 |
| 2026-08-18 | 172.76 |
| 2026-08-17 | 172.60 |
| 2026-08-14 | 178.27 |
| 2026-08-13 | 181.95 |
| 2026-08-12 | 167.92 |
| 2026-08-11 | 171.33 |
| 2026-08-10 | 173.31 |
| 2026-08-07 | 166.48 |
| 2026-08-06 | 162.85 |
| 2026-08-05 | 166.32 |
| 2026-08-04 | 164.14 |
| 2026-08-03 | 165.33 |
| 2026-07-31 | 158.34 |
| 2026-07-30 | 162.19 |