APH vs NRG: Correlation
Amphenol (APH) and NRG Energy (NRG) show a moderate relationship: their 3-year correlation of weekly returns is 0.53.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APH and NRG?
On 3 years of weekly data the APH/NRG correlation comes out at 0.53, moderate. Recent behaviour matches the longer record: 0.47 over 1 year against 0.53 over 3. The 5-year figure is 0.49, and annualized covariance runs at 793.9 %².
By 3-year correlation, NRG places #24 of the 38 assets tracked against APH. Correlation aside, the last 12 months split them widely, with APH ahead by 69.3 points (+47.5% versus -21.8%). On a rolling one-year basis the correlation drifted between 0.29 and 0.70, 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.
APH vs NRG: side by side
| APH (Amphenol) | NRG (NRG Energy) | |
|---|---|---|
| 1-year return | +47.5% | -21.8% |
| 5-year return | +338.9% | +191.5% |
| Volatility (ann.) | 33.6% | 44.4% |
| Beta vs S&P 500 | 1.57 | 1.30 |
| Max drawdown (3Y) | -28.2% | -38.9% |
| Market cap | $199.0B | $24.1B |
| P/E (trailing) | 40.3 | 30.2 |
| Dividend yield | 0.57% | 1.61% |
| Sector / category | Information Technology | Utilities |
Year-by-year returns
| Year | APH | NRG |
|---|---|---|
| 2022 | -12.0% | -23.5% |
| 2023 | +31.5% | +69.4% |
| 2024 | +41.3% | +78.6% |
| 2025 | +96.1% | +78.9% |
| 2026 | +19.8% | -27.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APH and NRG good diversifiers for each other?
Only partially. A correlation of 0.53 means APH and NRG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between APH and NRG?
As of 2026-08-27, the correlation of weekly returns between APH and NRG is 0.53 over 3 years, 0.47 over 1 year and 0.49 over 5 years.
Is NRG a good diversifier for APH?
Only partially. A correlation of 0.53 means APH and NRG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.53 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aph-vs-nrg.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aph-vs-nrg/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: APH correlations · NRG correlations
