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AVAV vs NOC: Correlation

How closely do AeroVironment, Inc. (AVAV) and Northrop Grumman (NOC) trade together? Their weekly returns over three years give a correlation of 0.34, which is moderate.

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

Correlation (3Y)
0.34
moderate
Correlation (1Y)
0.51
last 12 months
Correlation (5Y)
0.33
long-run
Ann. covariance
671.7
%² · weekly, annualized

How correlated are AVAV and NOC?

On 3 years of weekly data the AVAV/NOC correlation comes out at 0.34, moderate. The past 12 months show a tighter link (0.51) than the 3-year average (0.34). The 5-year figure is 0.33, and annualized covariance runs at 671.7 %².

Among the 13 assets we track against AVAV, NOC sits near the bottom by co-movement, at rank #9. Correlation aside, the last 12 months split them widely, with NOC ahead by 32.9 points (-38.5% versus -5.6%). One caveat on sizing: AVAV is 2.7 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

AVAV vs NOC: side by side

AVAV (AeroVironment, Inc.)NOC (Northrop Grumman)
1-year return-38.5%-5.6%
5-year return+48.2%+60.1%
Volatility (ann.)73.1%26.7%
Beta vs S&P 5001.820.24
Max drawdown (3Y)-66.6%-35.1%
Market cap$7.7B$77.4B
P/E (trailing)17.5
Dividend yield0.00%1.71%
Sector / categoryUS ListedIndustrials
Higher yield: NOC 1.71% vs 0.00%Smaller drawdown: NOC -35.1% vs -66.6%Higher 5y return: NOC +60.1% vs +48.2%
-39%0%+74%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AVAV · NOC

Year-by-year returns

YearAVAVNOC
2022+38.1%+43.0%
2023+47.1%-12.8%
2024+22.1%+1.9%
2025+57.2%+23.6%
2026-37.0%-3.7%

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

Are AVAV and NOC good diversifiers for each other?

Reasonably. At 0.34, AVAV and NOC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between AVAV and NOC?

As of 2026-08-27, the correlation of weekly returns between AVAV and NOC is 0.34 over 3 years, 0.51 over 1 year and 0.33 over 5 years.

Is NOC a good diversifier for AVAV?

Reasonably. At 0.34, AVAV and NOC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.34 mean?

On the −1 to +1 scale, 0.34 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/avav-vs-noc.json

AVAV vs NOC: 3-year weekly correlation 0.34AVAV vs NOC0.34

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Related comparisons

Hubs: AVAV correlations · NOC correlations