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GD vs NOC: Correlation

Measured on weekly returns over the past three years, General Dynamics (GD) and Northrop Grumman (NOC) carry a correlation of 0.60, a strong link.

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

Correlation (3Y)
0.60
strong
Correlation (1Y)
0.64
last 12 months
Correlation (5Y)
0.65
long-run
Ann. covariance
337.4
%² · weekly, annualized

How correlated are GD and NOC?

Across a 3-year window, the weekly returns of GD and NOC correlate at 0.60, strong. Recent behaviour matches the longer record: 0.64 over 1 year against 0.60 over 3. Stretching to 5 years gives 0.65, with an annualized covariance of 337.4 %².

NOC is one of the assets that tracks GD most closely: it ranks #2 out of the 30 assets we track against GD. Correlation aside, the last 12 months split them widely, with GD ahead by 24.4 points (+18.8% versus -5.6%). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.01 to 0.75.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved 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.

GD vs NOC: side by side

GD (General Dynamics)NOC (Northrop Grumman)
1-year return+18.8%-5.6%
5-year return+111.9%+60.1%
Volatility (ann.)21.1%26.7%
Beta vs S&P 5000.520.24
Max drawdown (3Y)-22.5%-35.1%
Market cap$102.8B$77.4B
P/E (trailing)23.317.5
Dividend yield1.62%1.71%
Sector / categoryIndustrialsIndustrials
Lower P/E: NOC 17.5 vs 23.3Higher yield: NOC 1.71% vs 1.62%Smaller drawdown: GD -22.5% vs -35.1%Higher 5y return: GD +111.9% vs +60.1%
-13%0%+31%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GD · NOC

Year-by-year returns

YearGDNOC
2022+21.7%+43.0%
2023+7.1%-12.8%
2024+3.5%+1.9%
2025+30.4%+23.6%
2026+14.4%-3.7%

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

Are GD and NOC good diversifiers for each other?

Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between GD and NOC?

Using weekly returns as of 2026-08-27: 0.60 over 3 years, with 0.64 over the last year and 0.65 over 5 years.

Is NOC a good diversifier for GD?

Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.60 mean?

On the −1 to +1 scale, 0.60 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/gd-vs-noc.json

GD vs NOC: 3-year weekly correlation 0.60GD vs NOC0.60

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Related comparisons

Hubs: GD correlations · NOC correlations