ADP vs MCO: Correlation
Automatic Data Processing (ADP) and Moody's Corporation (MCO) show a moderate relationship: their 3-year correlation of weekly returns is 0.57.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ADP and MCO?
Over the past 3 years, ADP and MCO moved with a correlation of 0.57, which is moderate. The relationship has been stable: the 1-year correlation (0.61) sits close to the 3-year figure. Over 5 years the correlation is 0.60, and the annualized covariance of weekly returns is 317.3 %².
Among the 43 assets we track against ADP, MCO ranks #10 by 3-year correlation. Twelve-month performance is nearly a tie, at -3.5% for ADP and +0.7% for MCO. On a rolling one-year basis the correlation drifted between 0.31 and 0.72, a moderate band.
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 MCO: side by side
| ADP (Automatic Data Processing) | MCO (Moody's Corporation) | |
|---|---|---|
| 1-year return | -3.5% | +0.7% |
| 5-year return | +52.0% | +39.4% |
| Volatility (ann.) | 21.7% | 25.8% |
| Beta vs S&P 500 | 0.53 | 1.08 |
| Max drawdown (3Y) | -40.8% | -24.7% |
| Market cap | $113.1B | $88.2B |
| P/E (trailing) | 26.0 | 32.7 |
| Dividend yield | 2.36% | 0.77% |
| Sector / category | Industrials | Financials |
Year-by-year returns
| Year | ADP | MCO |
|---|---|---|
| 2022 | -1.3% | -28.0% |
| 2023 | -0.2% | +41.5% |
| 2024 | +28.4% | +22.2% |
| 2025 | -10.2% | +8.7% |
| 2026 | +12.4% | +0.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ADP and MCO good diversifiers for each other?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ADP and MCO?
Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.61 over the last year and 0.60 over 5 years.
Is MCO a good diversifier for ADP?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.57 mean?
A reading of 0.57 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-mco.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/adp-vs-mco/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ADP correlations · MCO correlations
