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CEG vs PEG: Correlation

How closely do Constellation Energy (CEG) and Public Service Enterprise Group (PEG) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.

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

Correlation (3Y)
0.43
moderate
Correlation (1Y)
0.35
last 12 months
Correlation (5Y)
0.43
long-run
Ann. covariance
422.1
%² · weekly, annualized

How correlated are CEG and PEG?

On 3 years of weekly data the CEG/PEG correlation comes out at 0.43, moderate. The relationship has been stable: the 1-year correlation (0.35) sits close to the 3-year figure. The 5-year figure is 0.43, and annualized covariance runs at 422.1 %².

Among the 32 assets we track against CEG, PEG ranks #16 by 3-year correlation. Twelve-month performance is nearly a tie, at -10.1% for CEG and -8.6% for PEG. The rolling one-year correlation moved between 0.22 and 0.58 over the past three years, a moderate range. One caveat on sizing: CEG is 2.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

+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.

CEG vs PEG: side by side

CEG (Constellation Energy)PEG (Public Service Enterprise Group)
1-year return-10.1%-8.6%
5-year return+598.5%+34.9%
Volatility (ann.)52.1%18.9%
Beta vs S&P 5001.420.25
Max drawdown (3Y)-50.7%-18.8%
Market cap$100.1B$36.5B
P/E (trailing)27.318.4
Dividend yield0.58%3.51%
Sector / categoryUtilitiesUtilities
Lower P/E: PEG 18.4 vs 27.3Higher yield: PEG 3.51% vs 0.58%Smaller drawdown: PEG -18.8% vs -50.7%Higher 5y return: CEG +598.5% vs +34.9%
-20%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CEG · PEG

Year-by-year returns

YearCEGPEG
2022-5.1%
2023+37.2%+3.6%
2024+92.7%+42.6%
2025+58.8%-1.9%
2026-19.7%-7.1%

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

Are CEG and PEG good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between CEG and PEG?

As of 2026-08-27, the correlation of weekly returns between CEG and PEG is 0.43 over 3 years, 0.35 over 1 year and 0.43 over 5 years.

Is PEG a good diversifier for CEG?

Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.43 mean?

A reading of 0.43 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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CEG vs PEG: 3-year weekly correlation 0.43CEG vs PEG0.43

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Hubs: CEG correlations · PEG correlations