ADP vs CSGP: Correlation
Measured on weekly returns over the past three years, Automatic Data Processing (ADP) and CoStar Group (CSGP) carry a correlation of 0.44, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ADP and CSGP?
On 3 years of weekly data the ADP/CSGP correlation comes out at 0.44, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.56 versus 0.44 over 3 years. The 5-year figure is 0.47, and annualized covariance runs at 350.9 %².
Among the 43 assets we track against ADP, CSGP ranks #25 by 3-year correlation. The last year tells two different stories: ADP led by 61.5 percentage points, -3.5% for ADP against -65.0% for CSGP. Across three years, the rolling one-year figure varied moderately, from 0.14 to 0.57. One caveat on sizing: CSGP is 1.7 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.
ADP vs CSGP: side by side
| ADP (Automatic Data Processing) | CSGP (CoStar Group) | |
|---|---|---|
| 1-year return | -3.5% | -65.0% |
| 5-year return | +52.0% | -62.7% |
| Volatility (ann.) | 21.7% | 36.5% |
| Beta vs S&P 500 | 0.53 | 0.86 |
| Max drawdown (3Y) | -40.8% | -72.2% |
| Market cap | $113.1B | $12.7B |
| P/E (trailing) | 26.0 | 174.1 |
| Dividend yield | 2.36% | 0.00% |
| Sector / category | Industrials | Real Estate |
Year-by-year returns
| Year | ADP | CSGP |
|---|---|---|
| 2022 | -1.3% | -2.2% |
| 2023 | -0.2% | +13.1% |
| 2024 | +28.4% | -18.1% |
| 2025 | -10.2% | -6.1% |
| 2026 | +12.4% | -53.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ADP and CSGP 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 ADP and CSGP?
The ADP/CSGP correlation stands at 0.44 on a 3-year window (1 year: 0.56, 5 years: 0.47), computed from weekly returns as of 2026-08-27.
Is CSGP a good diversifier for ADP?
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?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: ADP correlations · CSGP correlations
