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GOOGL vs POR: Correlation

How closely do Alphabet Inc. (Class A) (GOOGL) and Portland General Electric Co (POR) trade together? Their weekly returns over three years give a correlation of -0.22, which is negative.

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

Correlation (3Y)
-0.22
negative
Correlation (1Y)
-0.32
last 12 months
Correlation (5Y)
-0.04
long-run
Ann. covariance
-126.0
%² · weekly, annualized

How correlated are GOOGL and POR?

On 3 years of weekly data the GOOGL/POR correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.32) sits close to the 3-year figure. The 5-year figure is -0.04, and annualized covariance runs at -126.0 %².

Within GOOGL's tracked universe of 37 assets, POR comes in at #24 by 3-year correlation. Correlation aside, the last 12 months split them widely, with GOOGL ahead by 43.7 points (+64.7% versus +21.0%). Note the risk asymmetry: GOOGL runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

GOOGL vs POR: side by side

GOOGL (Alphabet Inc. (Class A))POR (Portland General Electric Co)
1-year return+64.7%+21.0%
5-year return+137.7%+20.7%
Volatility (ann.)31.4%18.5%
Beta vs S&P 5001.220.10
Max drawdown (3Y)-29.8%-16.3%
Market cap$4,166.1B$5.9B
P/E (trailing)17.222.2
Dividend yield0.25%4.24%
Sector / categoryCommunication ServicesUS Listed
Lower P/E: GOOGL 17.2 vs 22.2Higher yield: POR 4.24% vs 0.25%Smaller drawdown: POR -16.3% vs -29.8%Higher 5y return: GOOGL +137.7% vs +20.7%
-1%0%+71%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. GOOGL · POR

Year-by-year returns

YearGOOGLPOR
2022-39.1%-4.0%
2023+58.3%-7.7%
2024+36.0%+5.3%
2025+66.0%+15.4%
2026+9.0%+6.1%

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

Are GOOGL and POR good diversifiers for each other?

Yes. With a correlation of -0.22, GOOGL and POR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between GOOGL and POR?

As of 2026-08-27, the correlation of weekly returns between GOOGL and POR is -0.22 over 3 years, -0.32 over 1 year and -0.04 over 5 years.

Is POR a good diversifier for GOOGL?

Yes. With a correlation of -0.22, GOOGL and POR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.22 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.

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GOOGL vs POR: 3-year weekly correlation -0.22GOOGL vs POR-0.22

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Hubs: GOOGL correlations · POR correlations