ADP vs EBAY: Correlation
Automatic Data Processing (ADP) and eBay Inc. (EBAY) show a moderate relationship: their 3-year correlation of weekly returns is 0.36.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ADP and EBAY?
On 3 years of weekly data the ADP/EBAY correlation comes out at 0.36, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.50 versus 0.36 over 3 years. The 5-year figure is 0.44, and annualized covariance runs at 225.2 %².
By 3-year correlation, EBAY places #30 of the 43 assets tracked against ADP. Over the last 12 months EBAY came out ahead by 14.1 percentage points (-3.5% against +10.6%). The rolling one-year correlation moved between 0.03 and 0.50 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 EBAY: side by side
| ADP (Automatic Data Processing) | EBAY (eBay Inc.) | |
|---|---|---|
| 1-year return | -3.5% | +10.6% |
| 5-year return | +52.0% | +43.9% |
| Volatility (ann.) | 21.7% | 28.9% |
| Beta vs S&P 500 | 0.53 | 0.58 |
| Max drawdown (3Y) | -40.8% | -20.7% |
| Market cap | $113.1B | $45.5B |
| P/E (trailing) | 26.0 | 21.9 |
| Dividend yield | 2.36% | 1.15% |
| Sector / category | Industrials | Consumer Discretionary |
Year-by-year returns
| Year | ADP | EBAY |
|---|---|---|
| 2022 | -1.3% | -36.5% |
| 2023 | -0.2% | +7.7% |
| 2024 | +28.4% | +44.8% |
| 2025 | -10.2% | +42.7% |
| 2026 | +12.4% | +18.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ADP and EBAY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.36 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ADP and EBAY?
As of 2026-08-27, the correlation of weekly returns between ADP and EBAY is 0.36 over 3 years, 0.50 over 1 year and 0.44 over 5 years.
Is EBAY a good diversifier for ADP?
Yes, to a useful degree: a correlation of 0.36 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.36 mean?
On the −1 to +1 scale, 0.36 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/adp-vs-ebay.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/adp-vs-ebay/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ADP correlations · EBAY correlations
