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AOS vs PLAG: Correlation

A. O. Smith (AOS) and Planet Green Holdings Corp. (PLAG) show a negative relationship: their 3-year correlation of weekly returns is -0.14.

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

Correlation (3Y)
-0.14
negative
Correlation (1Y)
-0.05
last 12 months
Correlation (5Y)
-0.04
long-run
Ann. covariance
-543.2
%² · weekly, annualized

How correlated are AOS and PLAG?

On 3 years of weekly data the AOS/PLAG correlation comes out at -0.14, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.05 over 1 year against -0.14 over 3. The 5-year figure is -0.04, and annualized covariance runs at -543.2 %².

Among the 33 assets we track against AOS, PLAG ranks #24 by 3-year correlation. The last year tells two different stories: AOS led by 46.5 percentage points, -12.6% for AOS against -59.1% for PLAG. Risk is not evenly split, since PLAG carries 6.8 times the volatility of the other side.

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 PLAG: side by side

AOS (A. O. Smith)PLAG (Planet Green Holdings Corp.)
1-year return-12.6%-59.1%
5-year return-6.7%-94.2%
Volatility (ann.)23.5%160.4%
Beta vs S&P 5000.67-0.67
Max drawdown (3Y)-36.9%-93.8%
Market cap$8.4B
P/E (trailing)17.4
Dividend yield2.27%0.00%
Sector / categoryIndustrialsUS Listed
Higher yield: AOS 2.27% vs 0.00%Smaller drawdown: AOS -36.9% vs -93.8%Higher 5y return: AOS -6.7% vs -94.2%
-67%0%+136%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AOS · PLAG

Year-by-year returns

YearAOSPLAG
2022-32.1%-39.2%
2023+46.7%-21.0%
2024-15.9%-46.9%
2025+0.1%-15.8%
2026-5.8%-67.0%

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

Are AOS and PLAG good diversifiers for each other?

By historical standards, yes. A correlation of -0.14 means the two rarely move for the same reasons.

FAQ

What is the correlation between AOS and PLAG?

Using weekly returns as of 2026-08-27: -0.14 over 3 years, with -0.05 over the last year and -0.04 over 5 years.

Is PLAG a good diversifier for AOS?

By historical standards, yes. A correlation of -0.14 means the two rarely move for the same reasons.

What does a correlation of -0.14 mean?

A reading of -0.14 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/aos-vs-plag.json

AOS vs PLAG: 3-year weekly correlation -0.14AOS vs PLAG-0.14

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Related comparisons

Hubs: AOS correlations · PLAG correlations