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EOG vs FANG: Correlation

How closely do EOG Resources (EOG) and Diamondback Energy (FANG) trade together? Their weekly returns over three years give a correlation of 0.78, which is strong.

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

Correlation (3Y)
0.78
strong
Correlation (1Y)
0.84
last 12 months
Correlation (5Y)
0.86
long-run
Ann. covariance
753.7
%² · weekly, annualized

How correlated are EOG and FANG?

On 3 years of weekly data the EOG/FANG correlation comes out at 0.78, strong. The relationship has been stable: the 1-year correlation (0.84) sits close to the 3-year figure. The 5-year figure is 0.86, and annualized covariance runs at 753.7 %².

Among the 40 assets we track against EOG, FANG ranks #13 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months FANG outperformed by 17.9 percentage points (+21.7% for EOG against +39.6% for FANG). Stability stands out here, with the rolling one-year correlation confined to 0.72 through 0.90.

+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.

EOG vs FANG: side by side

EOG (EOG Resources)FANG (Diamondback Energy)
1-year return+21.7%+39.6%
5-year return+171.5%+224.9%
Volatility (ann.)28.1%34.1%
Beta vs S&P 5000.140.32
Max drawdown (3Y)-23.7%-42.1%
Market cap$75.8B$56.1B
P/E (trailing)11.338.0
Dividend yield2.82%2.13%
Sector / categoryEnergyEnergy
Lower P/E: EOG 11.3 vs 38.0Higher yield: EOG 2.82% vs 2.13%Smaller drawdown: EOG -23.7% vs -42.1%Higher 5y return: FANG +224.9% vs +171.5%
-13%0%+56%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. EOG · FANG

Year-by-year returns

YearEOGFANG
2022+56.9%+35.3%
2023-2.0%+19.7%
2024+4.3%+10.3%
2025-11.4%-5.6%
2026+41.0%+35.7%

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

Are EOG and FANG good diversifiers for each other?

To a limited degree. At 0.78 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 EOG and FANG?

Using weekly returns as of 2026-08-27: 0.78 over 3 years, with 0.84 over the last year and 0.86 over 5 years.

Is FANG a good diversifier for EOG?

To a limited degree. At 0.78 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 0.78 mean?

On the −1 to +1 scale, 0.78 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.

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EOG vs FANG: 3-year weekly correlation 0.78EOG vs FANG0.78

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Hubs: EOG correlations · FANG correlations