CSGP vs REED: Correlation
CoStar Group (CSGP) and Reed's, Inc. (REED) show a negative relationship: their 3-year correlation of weekly returns is -0.16.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSGP and REED?
On 3 years of weekly data the CSGP/REED correlation comes out at -0.16, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.20 over 1 year against -0.16 over 3. The 5-year figure is -0.09, and annualized covariance runs at -604.3 %².
By 3-year correlation, REED places #25 of the 34 assets tracked against CSGP. Their recent paths diverged sharply: over the last 12 months CSGP outperformed by 19.1 percentage points (-65.0% for CSGP against -84.1% for REED). Risk is not evenly split, since REED carries 2.9 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 REED: side by side
| CSGP (CoStar Group) | REED (Reed's, Inc.) | |
|---|---|---|
| 1-year return | -65.0% | -84.1% |
| 5-year return | -62.7% | -99.5% |
| Volatility (ann.) | 36.5% | 104.6% |
| Beta vs S&P 500 | 0.86 | -0.39 |
| Max drawdown (3Y) | -72.2% | -96.4% |
| Market cap | $12.7B | – |
| P/E (trailing) | 174.1 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Real Estate | US Listed |
Year-by-year returns
| Year | CSGP | REED |
|---|---|---|
| 2022 | -2.2% | -80.6% |
| 2023 | +13.1% | -54.3% |
| 2024 | -18.1% | -60.6% |
| 2025 | -6.1% | -44.4% |
| 2026 | -53.4% | -53.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSGP and REED good diversifiers for each other?
Yes. With a correlation of -0.16, CSGP and REED have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CSGP and REED?
Using weekly returns as of 2026-08-27: -0.16 over 3 years, with -0.20 over the last year and -0.09 over 5 years.
Is REED a good diversifier for CSGP?
Yes. With a correlation of -0.16, CSGP and REED have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.16 mean?
On the −1 to +1 scale, -0.16 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/csgp-vs-reed.json
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[](https://www.pairbook.io/pair/csgp-vs-reed/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CSGP correlations · REED correlations
