$27.66+$0.52 (+1.90%)as of market close, Jul 24, 2026
CSGP weekly returns
CoStar Group Inc. has averaged 0.42% per week, positive in 52% of weeks. Week-by-week returns for CoStar Group Inc. (CSGP) below, through July 24, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.
Average week
+0.4%
1464 weeks
Best week
+60.0%
Dec 18, 1998
Worst week
-29.1%
Apr 14, 2000
Positive weeks
52%
of all weeks
CoStar Group Inc. weekly returns#
| Week ending | Path | Total return |
|---|---|---|
| Jul 24, 2026 | -7.1% | |
| Jul 17, 2026 | +4.9% | |
| Jul 10, 2026 | -5.4% | |
| Jul 2, 2026 | -0.8% | |
| Jun 26, 2026 | +0.4% | |
| Jun 18, 2026 | -8.3% | |
| Jun 12, 2026 | -3.1% | |
| Jun 5, 2026 | +5.2% | |
| May 29, 2026 | -5.2% | |
| May 22, 2026 | +3.9% | |
| May 15, 2026 | -0.3% | |
| May 8, 2026 | -5.6% |
Weekly total return (since Aug 2, 2024)
-10%+0%+10%
20252026
Methodology#
Weekly returns are total returns (dividends reinvested), computed from CSGP's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum
FAQ
- What is CoStar Group Inc.'s average weekly return?
- CoStar Group Inc. (CSGP) has averaged about 0.42% per week, positive in roughly 52% of weeks. The best week was Dec 18, 1998 (+60.0%) and the worst was Apr 14, 2000 (-29.1%).