CSGP vs JCSE: Correlation
How closely do CoStar Group (CSGP) and JE Cleantech Holdings Limited (JCSE) trade together? Their weekly returns over three years give a correlation of -0.17, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSGP and JCSE?
Across a 3-year window, the weekly returns of CSGP and JCSE correlate at -0.17, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.13) sits close to the 3-year figure. Stretching to 5 years gives -0.16, with an annualized covariance of -770.2 %².
By 3-year correlation, JCSE places #27 of the 34 assets tracked against CSGP. Their recent paths diverged sharply: over the last 12 months JCSE outperformed by 170.9 percentage points (-65.0% for CSGP against +105.9% for JCSE). One caveat on sizing: JCSE is 3.4 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 JCSE: side by side
| CSGP (CoStar Group) | JCSE (JE Cleantech Holdings Limited) | |
|---|---|---|
| 1-year return | -65.0% | +105.9% |
| 5-year return | -62.7% | -96.2% |
| Volatility (ann.) | 36.5% | 123.3% |
| Beta vs S&P 500 | 0.86 | 0.09 |
| Max drawdown (3Y) | -72.2% | -64.2% |
| Market cap | $12.7B | – |
| P/E (trailing) | 174.1 | 3.1 |
| Dividend yield | 0.00% | 36.52% |
| Sector / category | Real Estate | US Listed |
Year-by-year returns
| Year | CSGP | JCSE |
|---|---|---|
| 2022 | -2.2% | – |
| 2023 | +13.1% | -66.0% |
| 2024 | -18.1% | +92.4% |
| 2025 | -6.1% | -23.1% |
| 2026 | -53.4% | +94.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSGP and JCSE good diversifiers for each other?
Yes: at -0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CSGP and JCSE?
Using weekly returns as of 2026-08-27: -0.17 over 3 years, with -0.13 over the last year and -0.16 over 5 years.
Is JCSE a good diversifier for CSGP?
Yes: at -0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.17 mean?
On the −1 to +1 scale, -0.17 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-jcse.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/csgp-vs-jcse/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CSGP correlations · JCSE correlations
