CSGP vs EXLS: Correlation
CoStar Group (CSGP) and ExlService Holdings, Inc. (EXLS) show a moderate relationship: their 3-year correlation of weekly returns is 0.46.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSGP and EXLS?
Over the past 3 years, CSGP and EXLS moved with a correlation of 0.46, which is moderate. The relationship has been stable: the 1-year correlation (0.55) sits close to the 3-year figure. Over 5 years the correlation is 0.50, and the annualized covariance of weekly returns is 529.0 %².
By 3-year correlation, EXLS places #4 of the 34 assets tracked against CSGP. The last year tells two different stories: EXLS led by 51.6 percentage points, -65.0% for CSGP against -13.4% for EXLS.
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 EXLS: side by side
| CSGP (CoStar Group) | EXLS (ExlService Holdings, Inc.) | |
|---|---|---|
| 1-year return | -65.0% | -13.4% |
| 5-year return | -62.7% | +55.2% |
| Volatility (ann.) | 36.5% | 31.7% |
| Beta vs S&P 500 | 0.86 | 0.77 |
| Max drawdown (3Y) | -72.2% | -51.3% |
| Market cap | $12.7B | $5.8B |
| P/E (trailing) | 174.1 | 23.7 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Real Estate | US Listed |
Year-by-year returns
| Year | CSGP | EXLS |
|---|---|---|
| 2022 | -2.2% | +17.0% |
| 2023 | +13.1% | -9.0% |
| 2024 | -18.1% | +43.9% |
| 2025 | -6.1% | -4.4% |
| 2026 | -53.4% | -10.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSGP and EXLS good diversifiers for each other?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CSGP and EXLS?
Using weekly returns as of 2026-08-27: 0.46 over 3 years, with 0.55 over the last year and 0.50 over 5 years.
Is EXLS a good diversifier for CSGP?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.46 mean?
On the −1 to +1 scale, 0.46 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-exls.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/csgp-vs-exls/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CSGP correlations · EXLS correlations
