CPIX vs JL: Correlation
How closely do Cumberland Pharmaceuticals Inc. (CPIX) and J-Long Group Limited - Class A (JL) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPIX and JL?
Across a 3-year window, the weekly returns of CPIX and JL correlate at 0.46, moderate. The link has loosened recently: the 1-year correlation (0.16) runs below the 3-year figure (0.46). Stretching to 5 years gives n/a, with an annualized covariance of 33145.5 %².
JL is one of the assets that tracks CPIX most closely: it ranks #1 out of the 16 assets we track against CPIX. The last year tells two different stories: CPIX led by 244.5 percentage points, +228.1% for CPIX against -16.4% for JL. Risk is not evenly split, since JL carries 4.9 times the volatility of the other side.
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.
CPIX vs JL: side by side
| CPIX (Cumberland Pharmaceuticals Inc.) | JL (J-Long Group Limited - Class A) | |
|---|---|---|
| 1-year return | +228.1% | -16.4% |
| 5-year return | +295.6% | n/a |
| Volatility (ann.) | 117.9% | 580.0% |
| Beta vs S&P 500 | 0.07 | -1.02 |
| Max drawdown (3Y) | -71.9% | -98.6% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | 6.5 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CPIX | JL |
|---|---|---|
| 2022 | -51.8% | – |
| 2023 | -20.4% | – |
| 2024 | +32.4% | – |
| 2025 | +67.9% | +67.1% |
| 2026 | +180.3% | -20.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPIX and JL good diversifiers for each other?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CPIX and JL?
As of 2026-08-27, the correlation of weekly returns between CPIX and JL is 0.46 over 3 years, 0.16 over 1 year and n/a over 5 years.
Is JL a good diversifier for CPIX?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.46 mean?
A reading of 0.46 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/cpix-vs-jl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cpix-vs-jl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CPIX correlations · JL correlations
