ADP vs ROP: Correlation
Automatic Data Processing (ADP) and Roper Technologies (ROP) show a strong relationship: their 3-year correlation of weekly returns is 0.65.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ADP and ROP?
Over the past 3 years, ADP and ROP moved with a correlation of 0.65, which is strong. Little has changed lately, as the 1-year reading of 0.74 lands near the 3-year figure. Over 5 years the correlation is 0.66, and the annualized covariance of weekly returns is 290.8 %².
ROP is one of the assets that tracks ADP most closely: it ranks #3 out of the 43 assets we track against ADP. Their recent paths diverged sharply: over the last 12 months ADP outperformed by 15.8 percentage points (-3.5% for ADP against -19.3% for ROP). The rolling one-year correlation moved between 0.32 and 0.77 over the past three years, a moderate range.
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 ROP: side by side
| ADP (Automatic Data Processing) | ROP (Roper Technologies) | |
|---|---|---|
| 1-year return | -3.5% | -19.3% |
| 5-year return | +52.0% | -9.6% |
| Volatility (ann.) | 21.7% | 20.5% |
| Beta vs S&P 500 | 0.53 | 0.55 |
| Max drawdown (3Y) | -40.8% | -46.5% |
| Market cap | $113.1B | $41.8B |
| P/E (trailing) | 26.0 | 17.6 |
| Dividend yield | 2.36% | 0.86% |
| Sector / category | Industrials | Information Technology |
Year-by-year returns
| Year | ADP | ROP |
|---|---|---|
| 2022 | -1.3% | -11.6% |
| 2023 | -0.2% | +26.9% |
| 2024 | +28.4% | -4.1% |
| 2025 | -10.2% | -13.8% |
| 2026 | +12.4% | -4.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ADP and ROP good diversifiers for each other?
Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ADP and ROP?
The ADP/ROP correlation stands at 0.65 on a 3-year window (1 year: 0.74, 5 years: 0.66), computed from weekly returns as of 2026-08-27.
Is ROP a good diversifier for ADP?
Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.65 mean?
A reading of 0.65 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/adp-vs-rop.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/adp-vs-rop/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ADP correlations · ROP correlations
