OESX vs YJ: Correlation
How closely do Orion Energy Systems, Inc. (OESX) and Yunji Inc. - American Depository Shares (YJ) trade together? Their weekly returns over three years give a correlation of 0.45, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OESX and YJ?
Across a 3-year window, the weekly returns of OESX and YJ correlate at 0.45, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.66 versus 0.45 over 3 years. Stretching to 5 years gives 0.33, with an annualized covariance of 5098.0 %².
Among the 14 assets we track against OESX, YJ ranks #4 by 3-year correlation. The last year tells two different stories: OESX led by 201.0 percentage points, +284.3% for OESX against +83.3% for YJ. One caveat on sizing: YJ is 1.7 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
OESX vs YJ: side by side
| OESX (Orion Energy Systems, Inc.) | YJ (Yunji Inc. - American Depository Shares) | |
|---|---|---|
| 1-year return | +284.3% | +83.3% |
| 5-year return | -39.9% | -89.8% |
| Volatility (ann.) | 81.4% | 139.4% |
| Beta vs S&P 500 | 1.22 | 0.56 |
| Max drawdown (3Y) | -63.4% | -73.6% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | 1.5 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OESX | YJ |
|---|---|---|
| 2022 | -49.7% | +30.7% |
| 2023 | -52.2% | -91.3% |
| 2024 | -8.0% | -43.4% |
| 2025 | +92.3% | -26.7% |
| 2026 | +73.1% | +170.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OESX and YJ good diversifiers for each other?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between OESX and YJ?
Using weekly returns as of 2026-08-27: 0.45 over 3 years, with 0.66 over the last year and 0.33 over 5 years.
Is YJ a good diversifier for OESX?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.45 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/oesx-vs-yj.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/oesx-vs-yj/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: OESX correlations · YJ correlations
