JL vs OMER: Correlation
Measured on weekly returns over the past three years, J-Long Group Limited - Class A (JL) and Omeros Corporation (OMER) 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 JL and OMER?
On 3 years of weekly data the JL/OMER correlation comes out at -0.19, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.29) than the 3-year average (-0.19). The 5-year figure is n/a, and annualized covariance runs at -12950.0 %².
By 3-year correlation, OMER places #27 of the 58 assets tracked against JL. The last year tells two different stories: OMER led by 369.3 percentage points, -16.4% for JL against +352.9% for OMER. Note the risk asymmetry: JL runs 4.9 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
JL vs OMER: side by side
| JL (J-Long Group Limited - Class A) | OMER (Omeros Corporation) | |
|---|---|---|
| 1-year return | -16.4% | +352.9% |
| 5-year return | n/a | +22.7% |
| Volatility (ann.) | 580.0% | 119.0% |
| Beta vs S&P 500 | -1.02 | 1.80 |
| Max drawdown (3Y) | -98.6% | -75.6% |
| Market cap | – | $1.4B |
| P/E (trailing) | 6.5 | 11.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | JL | OMER |
|---|---|---|
| 2022 | – | -64.9% |
| 2023 | – | +44.7% |
| 2024 | – | +202.1% |
| 2025 | +67.1% | +73.9% |
| 2026 | -20.1% | +12.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are JL and OMER good diversifiers for each other?
Yes. With a correlation of -0.19, JL and OMER have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between JL and OMER?
As of 2026-08-27, the correlation of weekly returns between JL and OMER is -0.19 over 3 years, 0.29 over 1 year and n/a over 5 years.
Is OMER a good diversifier for JL?
Yes. With a correlation of -0.19, JL and OMER have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.19 mean?
A reading of -0.19 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/jl-vs-omer.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/jl-vs-omer/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: JL correlations · OMER correlations
