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ATEN vs WWD: Correlation

Measured on weekly returns over the past three years, A10 Networks, Inc. (ATEN) and Woodward, Inc. (WWD) carry a correlation of 0.46, a moderate link.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.46
last 12 months
Correlation (5Y)
0.32
long-run
Ann. covariance
528.0
%² · weekly, annualized

How correlated are ATEN and WWD?

Across a 3-year window, the weekly returns of ATEN and WWD correlate at 0.46, moderate. Little has changed lately, as the 1-year reading of 0.46 lands near the 3-year figure. Stretching to 5 years gives 0.32, with an annualized covariance of 528.0 %².

Among the 14 assets we track against ATEN, WWD ranks #4 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ATEN ahead by 17.4 points (+56.6% versus +39.2%).

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.

ATEN vs WWD: side by side

ATEN (A10 Networks, Inc.)WWD (Woodward, Inc.)
1-year return+56.6%+39.2%
5-year return+106.4%+191.7%
Volatility (ann.)34.0%33.5%
Beta vs S&P 5000.891.09
Max drawdown (3Y)-33.9%-23.6%
Market cap$2.0B$20.4B
P/E (trailing)44.338.5
Dividend yield0.93%0.28%
Sector / categoryUS ListedUS Listed
Lower P/E: WWD 38.5 vs 44.3Higher yield: ATEN 0.93% vs 0.28%Smaller drawdown: WWD -23.6% vs -33.9%Higher 5y return: WWD +191.7% vs +106.4%
-4%0%+112%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ATEN · WWD

Year-by-year returns

YearATENWWD
2022+1.7%-11.1%
2023-19.4%+42.0%
2024+42.1%+23.0%
2025-2.6%+82.6%
2026+53.9%+14.9%

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

Are ATEN and WWD good diversifiers for each other?

Reasonably. At 0.46, ATEN and WWD keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between ATEN and WWD?

The ATEN/WWD correlation stands at 0.46 on a 3-year window (1 year: 0.46, 5 years: 0.32), computed from weekly returns as of 2026-08-27.

Is WWD a good diversifier for ATEN?

Reasonably. At 0.46, ATEN and WWD keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.46 mean?

On the −1 to +1 scale, 0.46 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/aten-vs-wwd.json

ATEN vs WWD: 3-year weekly correlation 0.46ATEN vs WWD0.46

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Related comparisons

Hubs: ATEN correlations · WWD correlations