CoStar Group Stock
Compare Last 7 Days Same Dates of Previous Year
Current Period Close
$30.91
Aug 28, 2026 - Sep 04, 2026
Previous Year Close
$89.10
Aug 28, 2025 - Sep 04, 2025
Net Comparison Delta
$-58.19 (-65.31%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(6 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Aug 28, 2026 | $32.22 | Aug 28, 2025 | $90.33 | -64.33% |
| Aug 31, 2026 | $32.07 | Aug 29, 2025 | $89.49 | -64.16% |
| Sep 01, 2026 | $31.98 | Sep 02, 2025 | $88.12 | -63.71% |
| Sep 02, 2026 | $31.26 | Sep 03, 2025 | $87.86 | -64.42% |
| Sep 03, 2026 | $31.68 | Sep 04, 2025 | $89.10 | -64.44% |
| Sep 04, 2026 | $30.91 | - | - | - |