APH vs CEG: Correlation
Measured on weekly returns over the past three years, Amphenol (APH) and Constellation Energy (CEG) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APH and CEG?
Over the past 3 years, APH and CEG moved with a correlation of 0.45, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.28 versus 0.45 over 3 years. Over 5 years the correlation is 0.44, and the annualized covariance of weekly returns is 793.9 %².
Within APH's tracked universe of 38 assets, CEG comes in at #25 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months APH outperformed by 57.6 percentage points (+47.5% for APH against -10.1% for CEG). Across three years, the rolling one-year figure varied moderately, from 0.23 to 0.65. Risk is not evenly split, since CEG carries 1.6 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.
APH vs CEG: side by side
| APH (Amphenol) | CEG (Constellation Energy) | |
|---|---|---|
| 1-year return | +47.5% | -10.1% |
| 5-year return | +338.9% | +598.5% |
| Volatility (ann.) | 33.6% | 52.1% |
| Beta vs S&P 500 | 1.57 | 1.42 |
| Max drawdown (3Y) | -28.2% | -50.7% |
| Market cap | $199.0B | $100.1B |
| P/E (trailing) | 40.3 | 27.3 |
| Dividend yield | 0.57% | 0.58% |
| Sector / category | Information Technology | Utilities |
Year-by-year returns
| Year | APH | CEG |
|---|---|---|
| 2022 | -12.0% | – |
| 2023 | +31.5% | +37.2% |
| 2024 | +41.3% | +92.7% |
| 2025 | +96.1% | +58.8% |
| 2026 | +19.8% | -19.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APH and CEG good diversifiers for each other?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between APH and CEG?
The APH/CEG correlation stands at 0.45 on a 3-year window (1 year: 0.28, 5 years: 0.44), computed from weekly returns as of 2026-08-27.
Is CEG a good diversifier for APH?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.45 mean?
On the −1 to +1 scale, 0.45 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/aph-vs-ceg.json
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Related comparisons
Hubs: APH correlations · CEG correlations
