AQMS vs OMER: Correlation
Aqua Metals, Inc. (AQMS) and Omeros Corporation (OMER) show a moderate relationship: their 3-year correlation of weekly returns is 0.44.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AQMS and OMER?
Across a 3-year window, the weekly returns of AQMS and OMER correlate at 0.44, moderate. The link has tightened recently: the 1-year correlation (0.65) runs above the 3-year figure (0.44). Stretching to 5 years gives 0.33, with an annualized covariance of 6917.8 %².
Within AQMS's tracked universe of 15 assets, OMER comes in at #7 by 3-year correlation. The last year tells two different stories: OMER led by 378.8 percentage points, -25.9% for AQMS against +352.9% for OMER.
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 OMER: side by side
| AQMS (Aqua Metals, Inc.) | OMER (Omeros Corporation) | |
|---|---|---|
| 1-year return | -25.9% | +352.9% |
| 5-year return | -99.4% | +22.7% |
| Volatility (ann.) | 132.6% | 119.0% |
| Beta vs S&P 500 | 1.86 | 1.80 |
| Max drawdown (3Y) | -98.9% | -75.6% |
| 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 | AQMS | OMER |
|---|---|---|
| 2022 | +1.6% | -64.9% |
| 2023 | -39.2% | +44.7% |
| 2024 | -83.4% | +202.1% |
| 2025 | -81.0% | +73.9% |
| 2026 | -41.5% | +12.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AQMS and OMER good diversifiers for each other?
Reasonably. At 0.44, AQMS and OMER keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AQMS and OMER?
Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.65 over the last year and 0.33 over 5 years.
Is OMER a good diversifier for AQMS?
Reasonably. At 0.44, AQMS and OMER keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.44 mean?
On the −1 to +1 scale, 0.44 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/aqms-vs-omer.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aqms-vs-omer/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AQMS correlations · OMER correlations
