SFWL vs ZJYL: Correlation
Shengfeng Development Limited - Class A (SFWL) and JIN MEDICAL INTERNATIONAL LTD. - Class A (ZJYL) show a negative relationship: their 3-year correlation of weekly returns is -0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SFWL and ZJYL?
Over the past 3 years, SFWL and ZJYL moved with a correlation of -0.28, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.03) than the 3-year average (-0.28). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -7025.5 %².
ZJYL is close to the least connected end of SFWL's tracked universe, ranking #10 of 10. The last year tells two different stories: SFWL led by 71.3 percentage points, -14.4% for SFWL against -85.7% for ZJYL. One caveat on sizing: ZJYL is 2.9 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.
SFWL vs ZJYL: side by side
| SFWL (Shengfeng Development Limited - Class A) | ZJYL (JIN MEDICAL INTERNATIONAL LTD. - Class A) | |
|---|---|---|
| 1-year return | -14.4% | -85.7% |
| 5-year return | n/a | n/a |
| Volatility (ann.) | 94.3% | 270.7% |
| Beta vs S&P 500 | 0.08 | 1.23 |
| Max drawdown (3Y) | -95.9% | -99.3% |
| Market cap | $0.1B | $0.2B |
| P/E (trailing) | 6.2 | 13.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SFWL | ZJYL |
|---|---|---|
| 2024 | -63.3% | -93.7% |
| 2025 | -12.0% | -71.7% |
| 2026 | -8.9% | -46.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SFWL and ZJYL good diversifiers for each other?
By historical standards, yes. A correlation of -0.28 means the two rarely move for the same reasons.
FAQ
What is the correlation between SFWL and ZJYL?
As of 2026-08-27, the correlation of weekly returns between SFWL and ZJYL is -0.28 over 3 years, 0.03 over 1 year and n/a over 5 years.
Is ZJYL a good diversifier for SFWL?
By historical standards, yes. A correlation of -0.28 means the two rarely move for the same reasons.
What does a correlation of -0.28 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/sfwl-vs-zjyl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/sfwl-vs-zjyl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SFWL correlations · ZJYL correlations
