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EIX vs PCG: Correlation

Measured on weekly returns over the past three years, Edison International (EIX) and PG&E Corporation (PCG) carry a correlation of 0.79, a strong link.

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

Correlation (3Y)
0.79
strong
Correlation (1Y)
0.75
last 12 months
Correlation (5Y)
0.66
long-run
Ann. covariance
507.0
%² · weekly, annualized

How correlated are EIX and PCG?

Across a 3-year window, the weekly returns of EIX and PCG correlate at 0.79, strong. The relationship has been stable: the 1-year correlation (0.75) sits close to the 3-year figure. Stretching to 5 years gives 0.66, with an annualized covariance of 507.0 %².

Few assets follow EIX as closely as PCG, which ranks #1 of 30 tracked partners. Their recent paths diverged sharply: over the last 12 months EIX outperformed by 20.1 percentage points (+40.4% for EIX against +20.3% for PCG). On a rolling one-year basis the correlation drifted between 0.52 and 0.86, a moderate band.

+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.

EIX vs PCG: side by side

EIX (Edison International)PCG (PG&E Corporation)
1-year return+40.4%+20.3%
5-year return+62.2%+102.7%
Volatility (ann.)26.0%24.7%
Beta vs S&P 5000.240.24
Max drawdown (3Y)-43.9%-39.6%
Market cap$28.4B$39.5B
P/E (trailing)7.712.9
Dividend yield4.64%0.96%
Sector / categoryUtilitiesUtilities
Lower P/E: EIX 7.7 vs 12.9Higher yield: EIX 4.64% vs 0.96%Smaller drawdown: PCG -39.6% vs -43.9%Higher 5y return: PCG +102.7% vs +62.2%
-3%0%+54%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). EIX · PCG

Year-by-year returns

YearEIXPCG
2022-2.6%+33.9%
2023+17.4%+10.9%
2024+15.2%+12.3%
2025-20.4%-19.7%
2026+27.6%+12.3%

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

Are EIX and PCG good diversifiers for each other?

To a limited degree. At 0.79 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 EIX and PCG?

Using weekly returns as of 2026-08-27: 0.79 over 3 years, with 0.75 over the last year and 0.66 over 5 years.

Is PCG a good diversifier for EIX?

To a limited degree. At 0.79 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 0.79 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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EIX vs PCG: 3-year weekly correlation 0.79EIX vs PCG0.79

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Related comparisons

Hubs: EIX correlations · PCG correlations