ADP vs GLW: Correlation
Automatic Data Processing (ADP) and Corning Inc. (GLW) show a negative relationship: their 3-year correlation of weekly returns is -0.24.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ADP and GLW?
Over the past 3 years, ADP and GLW moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.56) runs below the 3-year figure (-0.24). Over 5 years the correlation is -0.07, and the annualized covariance of weekly returns is -217.2 %².
Among the 43 assets we track against ADP, GLW sits near the bottom by co-movement, at rank #40. Their recent paths diverged sharply: over the last 12 months GLW outperformed by 133.2 percentage points (-3.5% for ADP against +129.7% for GLW). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.58 to 0.46. Risk is not evenly split, since GLW carries 1.9 times the volatility of the other side.
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 GLW: side by side
| ADP (Automatic Data Processing) | GLW (Corning Inc.) | |
|---|---|---|
| 1-year return | -3.5% | +129.7% |
| 5-year return | +52.0% | +331.4% |
| Volatility (ann.) | 21.7% | 42.1% |
| Beta vs S&P 500 | 0.53 | 1.15 |
| Max drawdown (3Y) | -40.8% | -51.5% |
| Market cap | $113.1B | $131.6B |
| P/E (trailing) | 26.0 | 70.4 |
| Dividend yield | 2.36% | 0.73% |
| Sector / category | Industrials | Information Technology |
Year-by-year returns
| Year | ADP | GLW |
|---|---|---|
| 2022 | -1.3% | -11.6% |
| 2023 | -0.2% | -1.2% |
| 2024 | +28.4% | +60.6% |
| 2025 | -10.2% | +87.8% |
| 2026 | +12.4% | +75.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ADP and GLW good diversifiers for each other?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
FAQ
What is the correlation between ADP and GLW?
As of 2026-08-27, the correlation of weekly returns between ADP and GLW is -0.24 over 3 years, -0.56 over 1 year and -0.07 over 5 years.
Is GLW a good diversifier for ADP?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
What does a correlation of -0.24 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 · GLW correlations
