APD vs YHGJ: Correlation
Air Products (APD) and Yunhong Green CTI Ltd. (YHGJ) show a negative relationship: their 3-year correlation of weekly returns is -0.20.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APD and YHGJ?
On 3 years of weekly data the APD/YHGJ correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.10) sits close to the 3-year figure. The 5-year figure is -0.09, and annualized covariance runs at -485.6 %².
Among the 33 assets we track against APD, YHGJ ranks #25 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months APD outperformed by 51.4 percentage points (+6.5% for APD against -44.9% for YHGJ). One caveat on sizing: YHGJ is 3.4 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.
APD vs YHGJ: side by side
| APD (Air Products) | YHGJ (Yunhong Green CTI Ltd.) | |
|---|---|---|
| 1-year return | +6.5% | -44.9% |
| 5-year return | +28.2% | -85.6% |
| Volatility (ann.) | 26.7% | 90.5% |
| Beta vs S&P 500 | 0.64 | -0.69 |
| Max drawdown (3Y) | -30.4% | -91.7% |
| Market cap | $68.0B | – |
| P/E (trailing) | – | – |
| Dividend yield | 2.35% | 0.00% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | APD | YHGJ |
|---|---|---|
| 2022 | +3.9% | -12.6% |
| 2023 | -9.0% | +105.8% |
| 2024 | +8.1% | -74.3% |
| 2025 | -12.7% | -34.0% |
| 2026 | +26.1% | -19.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APD and YHGJ good diversifiers for each other?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between APD and YHGJ?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.10 over the last year and -0.09 over 5 years.
Is YHGJ a good diversifier for APD?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.20 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/apd-vs-yhgj.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/apd-vs-yhgj/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: APD correlations · YHGJ correlations
