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NRG vs XLI: Correlation

Measured on weekly returns over the past three years, NRG Energy (NRG) and Industrial Select Sector SPDR Fund (XLI) carry a correlation of 0.52, a moderate link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.52
moderate
Correlation (1Y)
0.38
last 12 months
Correlation (5Y)
0.47
long-run
Ann. covariance
362.3
%² · weekly, annualized

How correlated are NRG and XLI?

On 3 years of weekly data the NRG/XLI correlation comes out at 0.52, moderate. The link has loosened recently: the 1-year correlation (0.38) runs below the 3-year figure (0.52). The 5-year figure is 0.47, and annualized covariance runs at 362.3 %².

By 3-year correlation, XLI places #13 of the 31 assets tracked against NRG. Correlation aside, the last 12 months split them widely, with XLI ahead by 40.1 points (-21.8% versus +18.3%). The rolling one-year correlation moved between 0.29 and 0.69 over the past three years, a moderate range. Risk is not evenly split, since NRG carries 2.8 times the volatility of the other side.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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 XLI: side by side

NRG (NRG Energy)XLI (Industrial Select Sector SPDR Fund)
1-year return-21.8%+18.3%
5-year return+191.5%+84.0%
Volatility (ann.)44.4%15.7%
Beta vs S&P 5001.300.89
Max drawdown (3Y)-38.9%-18.5%
Market cap$24.1B
P/E (trailing)30.2
Dividend yield1.61%1.15%
Expense ratio0.08%
Assets under management$32.9B
Sector / categoryUtilitiesSector ETF
Higher yield: NRG 1.61% vs 1.15%Smaller drawdown: XLI -18.5% vs -38.9%Higher 5y return: NRG +191.5% vs +84.0%

XLI is an Industrials fund from State Street Investment Management: $32.9B under management, 83 holdings, a 0.08% expense ratio, a 1.15% trailing dividend yield.

-22%0%+25%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). NRG · XLI

Year-by-year returns

YearNRGXLI
2022-23.5%-5.6%
2023+69.4%+18.1%
2024+78.6%+17.3%
2025+78.9%+19.3%
2026-27.5%+15.9%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are NRG and XLI good diversifiers for each other?

To a limited degree. At 0.52 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between NRG and XLI?

Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.38 over the last year and 0.47 over 5 years.

Is XLI a good diversifier for NRG?

To a limited degree. At 0.52 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.52 mean?

A reading of 0.52 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

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$ curl https://www.pairbook.io/api/v1/pairs/nrg-vs-xli.json

NRG vs XLI: 3-year weekly correlation 0.52NRG vs XLI0.52

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Hubs: NRG correlations · XLI correlations