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DLR vs NRG: Correlation

How closely do Digital Realty (DLR) and NRG Energy (NRG) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.58
last 12 months
Correlation (5Y)
0.38
long-run
Ann. covariance
530.1
%² · weekly, annualized

How correlated are DLR and NRG?

On 3 years of weekly data the DLR/NRG correlation comes out at 0.44, moderate. The past 12 months show a tighter link (0.58) than the 3-year average (0.44). The 5-year figure is 0.38, and annualized covariance runs at 530.1 %².

Within DLR's tracked universe of 30 assets, NRG comes in at #15 by 3-year correlation. The last year tells two different stories: DLR led by 38.2 percentage points, +16.4% for DLR against -21.8% for NRG. On a rolling one-year basis the correlation drifted between 0.12 and 0.56, a moderate band. Note the risk asymmetry: NRG runs 1.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past 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.

DLR vs NRG: side by side

DLR (Digital Realty)NRG (NRG Energy)
1-year return+16.4%-21.8%
5-year return+40.3%+191.5%
Volatility (ann.)27.1%44.4%
Beta vs S&P 5000.731.30
Max drawdown (3Y)-29.4%-38.9%
Market cap$72.5B$24.1B
P/E (trailing)94.230.2
Dividend yield2.52%1.61%
Sector / categoryReal EstateUtilities
Lower P/E: NRG 30.2 vs 94.2Higher yield: DLR 2.52% vs 1.61%Smaller drawdown: DLR -29.4% vs -38.9%Higher 5y return: NRG +191.5% vs +40.3%
-22%0%+28%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). DLR · NRG

Year-by-year returns

YearDLRNRG
2022-41.0%-23.5%
2023+39.9%+69.4%
2024+35.9%+78.6%
2025-10.1%+78.9%
2026+25.8%-27.5%

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

Are DLR and NRG good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between DLR and NRG?

Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.58 over the last year and 0.38 over 5 years.

Is NRG a good diversifier for DLR?

Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.44 mean?

A reading of 0.44 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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DLR vs NRG: 3-year weekly correlation 0.44DLR vs NRG0.44

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Related comparisons

Hubs: DLR correlations · NRG correlations