CSGP vs ROP: Correlation
How closely do CoStar Group (CSGP) and Roper Technologies (ROP) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSGP and ROP?
On 3 years of weekly data the CSGP/ROP correlation comes out at 0.44, moderate. The relationship has been stable: the 1-year correlation (0.41) sits close to the 3-year figure. The 5-year figure is 0.55, and annualized covariance runs at 330.9 %².
Among the 34 assets we track against CSGP, ROP ranks #14 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ROP ahead by 45.7 points (-65.0% versus -19.3%). The rolling one-year correlation moved between 0.22 and 0.70 over the past three years, a moderate range. Risk is not evenly split, since CSGP carries 1.8 times the volatility of the other side.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
CSGP vs ROP: side by side
| CSGP (CoStar Group) | ROP (Roper Technologies) | |
|---|---|---|
| 1-year return | -65.0% | -19.3% |
| 5-year return | -62.7% | -9.6% |
| Volatility (ann.) | 36.5% | 20.5% |
| Beta vs S&P 500 | 0.86 | 0.55 |
| Max drawdown (3Y) | -72.2% | -46.5% |
| Market cap | $12.7B | $41.8B |
| P/E (trailing) | 174.1 | 17.6 |
| Dividend yield | 0.00% | 0.86% |
| Sector / category | Real Estate | Information Technology |
Year-by-year returns
| Year | CSGP | ROP |
|---|---|---|
| 2022 | -2.2% | -11.6% |
| 2023 | +13.1% | +26.9% |
| 2024 | -18.1% | -4.1% |
| 2025 | -6.1% | -13.8% |
| 2026 | -53.4% | -4.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSGP and ROP good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CSGP and ROP?
The CSGP/ROP correlation stands at 0.44 on a 3-year window (1 year: 0.41, 5 years: 0.55), computed from weekly returns as of 2026-08-27.
Is ROP a good diversifier for CSGP?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 mean?
A reading of 0.44 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/csgp-vs-rop.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/csgp-vs-rop/)
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Related comparisons
Hubs: CSGP correlations · ROP correlations
