POWL vs SJ: Correlation
Powell Industries, Inc. (POWL) and Scienjoy Holding Corporation - Class A (SJ) show a negative relationship: their 3-year correlation of weekly returns is -0.30.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are POWL and SJ?
Across a 3-year window, the weekly returns of POWL and SJ correlate at -0.30, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.24 lands near the 3-year figure. Stretching to 5 years gives -0.13, with an annualized covariance of -1822.4 %².
Out of 11 assets tracked against POWL, SJ lands near the bottom at #10. The last year tells two different stories: POWL led by 76.6 percentage points, +111.0% for POWL against +34.4% for SJ.
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.
POWL vs SJ: side by side
| POWL (Powell Industries, Inc.) | SJ (Scienjoy Holding Corporation - Class A) | |
|---|---|---|
| 1-year return | +111.0% | +34.4% |
| 5-year return | +2360.3% | -79.3% |
| Volatility (ann.) | 71.5% | 85.6% |
| Beta vs S&P 500 | 1.95 | -0.26 |
| Max drawdown (3Y) | -55.8% | -87.8% |
| Market cap | $7.0B | – |
| P/E (trailing) | 36.8 | – |
| Dividend yield | 0.19% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | POWL | SJ |
|---|---|---|
| 2022 | +24.3% | -65.3% |
| 2023 | +155.6% | +76.6% |
| 2024 | +152.2% | -70.1% |
| 2025 | +44.5% | -33.2% |
| 2026 | +81.4% | +41.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are POWL and SJ good diversifiers for each other?
Yes. With a correlation of -0.30, POWL and SJ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between POWL and SJ?
The POWL/SJ correlation stands at -0.30 on a 3-year window (1 year: -0.24, 5 years: -0.13), computed from weekly returns as of 2026-08-27.
Is SJ a good diversifier for POWL?
Yes. With a correlation of -0.30, POWL and SJ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.30 mean?
On the −1 to +1 scale, -0.30 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/powl-vs-sj.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/powl-vs-sj/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: POWL correlations · SJ correlations
