PairBook
HomeAOS › AOS vs DD

AOS vs DD: Correlation

Measured on weekly returns over the past three years, A. O. Smith (AOS) and DuPont (DD) carry a correlation of 0.49, a moderate link.

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

Correlation (3Y)
0.49
moderate
Correlation (1Y)
0.42
last 12 months
Correlation (5Y)
0.53
long-run
Ann. covariance
332.0
%² · weekly, annualized

How correlated are AOS and DD?

Across a 3-year window, the weekly returns of AOS and DD correlate at 0.49, moderate. Recent behaviour matches the longer record: 0.42 over 1 year against 0.49 over 3. Stretching to 5 years gives 0.53, with an annualized covariance of 332.0 %².

By 3-year correlation, DD places #20 of the 33 assets tracked against AOS. Correlation aside, the last 12 months split them widely, with DD ahead by 57.3 points (-12.6% versus +44.7%). The rolling one-year correlation moved between 0.31 and 0.73 over the past three years, a moderate range.

+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.

AOS vs DD: side by side

AOS (A. O. Smith)DD (DuPont)
1-year return-12.6%+44.7%
5-year return-6.7%+64.0%
Volatility (ann.)23.5%28.8%
Beta vs S&P 5000.670.93
Max drawdown (3Y)-36.9%-37.8%
Market cap$8.4B$18.7B
P/E (trailing)17.459.1
Dividend yield2.27%2.20%
Sector / categoryIndustrialsIndustrials
Lower P/E: AOS 17.4 vs 59.1Higher yield: AOS 2.27% vs 2.20%Smaller drawdown: AOS -36.9% vs -37.8%Higher 5y return: DD +64.0% vs -6.7%
-23%0%+56%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AOS · DD

Year-by-year returns

YearAOSDD
2022-32.1%-13.4%
2023+46.7%+14.4%
2024-15.9%+1.0%
2025+0.1%+28.7%
2026-5.8%+16.0%

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

Are AOS and DD good diversifiers for each other?

A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between AOS and DD?

The AOS/DD correlation stands at 0.49 on a 3-year window (1 year: 0.42, 5 years: 0.53), computed from weekly returns as of 2026-08-27.

Is DD a good diversifier for AOS?

A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.49 mean?

On the −1 to +1 scale, 0.49 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/aos-vs-dd.json

AOS vs DD: 3-year weekly correlation 0.49AOS vs DD0.49

Embed this badge (it refreshes with the data), with attribution:

[![AOS vs DD correlation](https://www.pairbook.io/api/v1/badge/aos-vs-dd.svg)](https://www.pairbook.io/pair/aos-vs-dd/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: AOS correlations · DD correlations