NI vs PEG: Correlation
NiSource (NI) and Public Service Enterprise Group (PEG) show a strong relationship: their 3-year correlation of weekly returns is 0.71.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NI and PEG?
Across a 3-year window, the weekly returns of NI and PEG correlate at 0.71, strong. Little has changed lately, as the 1-year reading of 0.78 lands near the 3-year figure. Stretching to 5 years gives 0.76, with an annualized covariance of 238.5 %².
Among the 38 assets we track against NI, PEG ranks #14 by 3-year correlation. On 12-month performance NI holds a 7.7-point edge, -0.9% against -8.6%. Across three years, the rolling one-year figure varied moderately, from 0.53 to 0.83.
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.
NI vs PEG: side by side
| NI (NiSource) | PEG (Public Service Enterprise Group) | |
|---|---|---|
| 1-year return | -0.9% | -8.6% |
| 5-year return | +94.6% | +34.9% |
| Volatility (ann.) | 17.8% | 18.9% |
| Beta vs S&P 500 | 0.26 | 0.25 |
| Max drawdown (3Y) | -16.7% | -18.8% |
| Market cap | $19.6B | $36.5B |
| P/E (trailing) | 21.9 | 18.4 |
| Dividend yield | 1.41% | 3.51% |
| Sector / category | Utilities | Utilities |
Year-by-year returns
| Year | NI | PEG |
|---|---|---|
| 2022 | +2.7% | -5.1% |
| 2023 | +0.5% | +3.6% |
| 2024 | +43.5% | +42.6% |
| 2025 | +16.8% | -1.9% |
| 2026 | +0.0% | -7.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NI and PEG good diversifiers for each other?
Only partially. A correlation of 0.71 means NI and PEG 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 NI and PEG?
Using weekly returns as of 2026-08-27: 0.71 over 3 years, with 0.78 over the last year and 0.76 over 5 years.
Is PEG a good diversifier for NI?
Only partially. A correlation of 0.71 means NI and PEG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.71 mean?
On the −1 to +1 scale, 0.71 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/ni-vs-peg.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ni-vs-peg/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: NI correlations · PEG correlations
