AQMS vs YHGJ: Correlation
Measured on weekly returns over the past three years, Aqua Metals, Inc. (AQMS) and Yunhong Green CTI Ltd. (YHGJ) carry a correlation of -0.24, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AQMS and YHGJ?
Over the past 3 years, AQMS and YHGJ moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.49) runs below the 3-year figure (-0.24). Over 5 years the correlation is -0.15, and the annualized covariance of weekly returns is -2896.6 %².
Out of 15 assets tracked against AQMS, YHGJ lands near the bottom at #14. Correlation aside, the last 12 months split them widely, with AQMS ahead by 19.0 points (-25.9% versus -44.9%).
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.
AQMS vs YHGJ: side by side
| AQMS (Aqua Metals, Inc.) | YHGJ (Yunhong Green CTI Ltd.) | |
|---|---|---|
| 1-year return | -25.9% | -44.9% |
| 5-year return | -99.4% | -85.6% |
| Volatility (ann.) | 132.6% | 90.5% |
| Beta vs S&P 500 | 1.86 | -0.69 |
| Max drawdown (3Y) | -98.9% | -91.7% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AQMS | YHGJ |
|---|---|---|
| 2022 | +1.6% | -12.6% |
| 2023 | -39.2% | +105.8% |
| 2024 | -83.4% | -74.3% |
| 2025 | -81.0% | -34.0% |
| 2026 | -41.5% | -19.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AQMS and YHGJ good diversifiers for each other?
Yes. With a correlation of -0.24, AQMS and YHGJ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between AQMS and YHGJ?
The AQMS/YHGJ correlation stands at -0.24 on a 3-year window (1 year: -0.49, 5 years: -0.15), computed from weekly returns as of 2026-08-27.
Is YHGJ a good diversifier for AQMS?
Yes. With a correlation of -0.24, AQMS and YHGJ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.24 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/aqms-vs-yhgj.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aqms-vs-yhgj/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AQMS correlations · YHGJ correlations
