NRG vs PEG: Correlation
Measured on weekly returns over the past three years, NRG Energy (NRG) and Public Service Enterprise Group (PEG) carry a correlation of 0.50, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NRG and PEG?
On 3 years of weekly data the NRG/PEG correlation comes out at 0.50, moderate. The link has tightened recently: the 1-year correlation (0.71) runs above the 3-year figure (0.50). The 5-year figure is 0.47, and annualized covariance runs at 424.1 %².
By 3-year correlation, PEG places #16 of the 31 assets tracked against NRG. The trailing year gives PEG the advantage: -21.8% versus -8.6%, a 13.2-point spread. The rolling one-year correlation moved between 0.24 and 0.69 over the past three years, a moderate range. One caveat on sizing: NRG is 2.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
NRG vs PEG: side by side
| NRG (NRG Energy) | PEG (Public Service Enterprise Group) | |
|---|---|---|
| 1-year return | -21.8% | -8.6% |
| 5-year return | +191.5% | +34.9% |
| Volatility (ann.) | 44.4% | 18.9% |
| Beta vs S&P 500 | 1.30 | 0.25 |
| Max drawdown (3Y) | -38.9% | -18.8% |
| Market cap | $24.1B | $36.5B |
| P/E (trailing) | 30.2 | 18.4 |
| Dividend yield | 1.61% | 3.51% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | NRG | PEG |
|---|---|---|
| 2022 | -23.5% | -5.1% |
| 2023 | +69.4% | +3.6% |
| 2024 | +78.6% | +42.6% |
| 2025 | +78.9% | -1.9% |
| 2026 | -27.5% | -7.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NRG and PEG good diversifiers for each other?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between NRG and PEG?
Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.71 over the last year and 0.47 over 5 years.
Is PEG a good diversifier for NRG?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.50 mean?
A reading of 0.50 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/nrg-vs-peg.json
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Related comparisons
Hubs: NRG correlations · PEG correlations
