AOS vs YHGJ: Correlation
Measured on weekly returns over the past three years, A. O. Smith (AOS) and Yunhong Green CTI Ltd. (YHGJ) carry a correlation of -0.18, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AOS and YHGJ?
Across a 3-year window, the weekly returns of AOS and YHGJ correlate at -0.18, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.39) runs below the 3-year figure (-0.18). Stretching to 5 years gives -0.06, with an annualized covariance of -386.8 %².
By 3-year correlation, YHGJ places #27 of the 33 assets tracked against AOS. Their recent paths diverged sharply: over the last 12 months AOS outperformed by 32.3 percentage points (-12.6% for AOS against -44.9% for YHGJ). Risk is not evenly split, since YHGJ carries 3.9 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 YHGJ: side by side
| AOS (A. O. Smith) | YHGJ (Yunhong Green CTI Ltd.) | |
|---|---|---|
| 1-year return | -12.6% | -44.9% |
| 5-year return | -6.7% | -85.6% |
| Volatility (ann.) | 23.5% | 90.5% |
| Beta vs S&P 500 | 0.67 | -0.69 |
| Max drawdown (3Y) | -36.9% | -91.7% |
| Market cap | $8.4B | – |
| P/E (trailing) | 17.4 | – |
| Dividend yield | 2.27% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | AOS | YHGJ |
|---|---|---|
| 2022 | -32.1% | -12.6% |
| 2023 | +46.7% | +105.8% |
| 2024 | -15.9% | -74.3% |
| 2025 | +0.1% | -34.0% |
| 2026 | -5.8% | -19.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AOS and YHGJ good diversifiers for each other?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AOS and YHGJ?
The AOS/YHGJ correlation stands at -0.18 on a 3-year window (1 year: -0.39, 5 years: -0.06), computed from weekly returns as of 2026-08-27.
Is YHGJ a good diversifier for AOS?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.18 mean?
A reading of -0.18 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
$ curl https://www.pairbook.io/api/v1/pairs/aos-vs-yhgj.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aos-vs-yhgj/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AOS correlations · YHGJ correlations
