CoStar Group Stock (CSGP)
Showing Closing Date Range from Jul 21 to Oct 19, 2026 compared to Apr 21 to Jul 20, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:costargroup.com
Current Period Close
$31.81
Jul 21, 2026 - Oct 19, 2026
Previous Period Close
$29.68
Apr 21, 2026 - Jul 20, 2026
Net Comparison Delta
+$2.13 (+7.18%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(64 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 19, 2026 | $31.81 | - | - | - |
| Oct 16, 2026 | $32.31 | - | - | - |
| Oct 15, 2026 | $32.00 | Jul 20, 2026 | $29.68 | +7.82% |
| Oct 14, 2026 | $30.11 | Jul 17, 2026 | $29.78 | +1.11% |
| Oct 13, 2026 | $30.00 | Jul 16, 2026 | $30.37 | -1.22% |
| Oct 12, 2026 | $29.21 | Jul 15, 2026 | $28.49 | +2.53% |
| Oct 09, 2026 | $29.67 | Jul 14, 2026 | $27.68 | +7.19% |
| Oct 08, 2026 | $29.81 | Jul 13, 2026 | $28.77 | +3.61% |
| Oct 07, 2026 | $27.60 | Jul 10, 2026 | $28.39 | -2.78% |
| Oct 06, 2026 | $27.63 | Jul 09, 2026 | $29.19 | -5.34% |
| Oct 05, 2026 | $27.66 | Jul 08, 2026 | $29.34 | -5.73% |
| Oct 02, 2026 | $27.38 | Jul 07, 2026 | $29.87 | -8.34% |
| Oct 01, 2026 | $27.72 | Jul 06, 2026 | $28.70 | -3.41% |
| Sep 30, 2026 | $27.40 | Jul 02, 2026 | $30.00 | -8.67% |
| Sep 29, 2026 | $26.95 | Jul 01, 2026 | $29.36 | -8.21% |
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