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PPL vs XEL: Correlation

Measured on weekly returns over the past three years, PPL Corporation (PPL) and Xcel Energy (XEL) carry a correlation of 0.66, a strong link.

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

Correlation (3Y)
0.66
strong
Correlation (1Y)
0.74
last 12 months
Correlation (5Y)
0.71
long-run
Ann. covariance
237.4
%² · weekly, annualized

How correlated are PPL and XEL?

Over the past 3 years, PPL and XEL moved with a correlation of 0.66, which is strong. Recent behaviour matches the longer record: 0.74 over 1 year against 0.66 over 3. Over 5 years the correlation is 0.71, and the annualized covariance of weekly returns is 237.4 %².

Within PPL's tracked universe of 44 assets, XEL comes in at #20 by 3-year correlation. On 12-month performance XEL holds a 12.2-point edge, -3.0% against +9.2%. The rolling one-year correlation moved between 0.56 and 0.84 over the past three years, a moderate range.

+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.

PPL vs XEL: side by side

PPL (PPL Corporation)XEL (Xcel Energy)
1-year return-3.0%+9.2%
5-year return+41.1%+31.1%
Volatility (ann.)17.4%20.7%
Beta vs S&P 5000.130.09
Max drawdown (3Y)-13.3%-24.0%
Market cap$25.9B$48.2B
P/E (trailing)20.721.3
Dividend yield3.18%2.99%
Sector / categoryUtilitiesUtilities
Lower P/E: PPL 20.7 vs 21.3Higher yield: PPL 3.18% vs 2.99%Smaller drawdown: PPL -13.3% vs -24.0%Higher 5y return: PPL +41.1% vs +31.1%
-5%0%+17%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. PPL · XEL

Year-by-year returns

YearPPLXEL
2022+0.4%+6.4%
2023-3.8%-8.7%
2024+24.0%+12.3%
2025+11.4%+13.9%
2026-0.1%+6.0%

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

Are PPL and XEL good diversifiers for each other?

To a limited degree. At 0.66 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 PPL and XEL?

As of 2026-08-27, the correlation of weekly returns between PPL and XEL is 0.66 over 3 years, 0.74 over 1 year and 0.71 over 5 years.

Is XEL a good diversifier for PPL?

To a limited degree. At 0.66 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 0.66 mean?

On the −1 to +1 scale, 0.66 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ppl-vs-xel.json

PPL vs XEL: 3-year weekly correlation 0.66PPL vs XEL0.66

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Related comparisons

Hubs: PPL correlations · XEL correlations