OMER vs YHGJ: Correlation
Measured on weekly returns over the past three years, Omeros Corporation (OMER) and Yunhong Green CTI Ltd. (YHGJ) carry a correlation of -0.19, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OMER and YHGJ?
Across a 3-year window, the weekly returns of OMER and YHGJ correlate at -0.19, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.40 versus -0.19 over 3 years. Stretching to 5 years gives -0.10, with an annualized covariance of -1997.0 %².
YHGJ is close to the least connected end of OMER's tracked universe, ranking #13 of 13. The last year tells two different stories: OMER led by 397.8 percentage points, +352.9% for OMER against -44.9% for YHGJ.
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.
OMER vs YHGJ: side by side
| OMER (Omeros Corporation) | YHGJ (Yunhong Green CTI Ltd.) | |
|---|---|---|
| 1-year return | +352.9% | -44.9% |
| 5-year return | +22.7% | -85.6% |
| Volatility (ann.) | 119.0% | 90.5% |
| Beta vs S&P 500 | 1.80 | -0.69 |
| Max drawdown (3Y) | -75.6% | -91.7% |
| Market cap | $1.4B | – |
| P/E (trailing) | 11.1 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OMER | YHGJ |
|---|---|---|
| 2022 | -64.9% | -12.6% |
| 2023 | +44.7% | +105.8% |
| 2024 | +202.1% | -74.3% |
| 2025 | +73.9% | -34.0% |
| 2026 | +12.0% | -19.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OMER and YHGJ good diversifiers for each other?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
FAQ
What is the correlation between OMER and YHGJ?
Using weekly returns as of 2026-08-27: -0.19 over 3 years, with -0.40 over the last year and -0.10 over 5 years.
Is YHGJ a good diversifier for OMER?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
What does a correlation of -0.19 mean?
On the −1 to +1 scale, -0.19 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
$ curl https://www.pairbook.io/api/v1/pairs/omer-vs-yhgj.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/omer-vs-yhgj/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: OMER correlations · YHGJ correlations
