POST vs YJ: Correlation
How closely do Post Holdings, Inc. (POST) and Yunji Inc. - American Depository Shares (YJ) trade together? Their weekly returns over three years give a correlation of -0.28, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are POST and YJ?
On 3 years of weekly data the POST/YJ correlation comes out at -0.28, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.41) than the 3-year average (-0.28). The 5-year figure is -0.17, and annualized covariance runs at -883.3 %².
YJ is close to the least connected end of POST's tracked universe, ranking #16 of 19. Their recent paths diverged sharply: over the last 12 months YJ outperformed by 111.4 percentage points (-28.1% for POST against +83.3% for YJ). One caveat on sizing: YJ is 6.1 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.
POST vs YJ: side by side
| POST (Post Holdings, Inc.) | YJ (Yunji Inc. - American Depository Shares) | |
|---|---|---|
| 1-year return | -28.1% | +83.3% |
| 5-year return | +11.2% | -89.8% |
| Volatility (ann.) | 23.0% | 139.4% |
| Beta vs S&P 500 | 0.11 | 0.56 |
| Max drawdown (3Y) | -36.9% | -73.6% |
| Market cap | $3.7B | – |
| P/E (trailing) | 14.9 | 1.5 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | POST | YJ |
|---|---|---|
| 2022 | +22.3% | +30.7% |
| 2023 | -2.4% | -91.3% |
| 2024 | +30.0% | -43.4% |
| 2025 | -13.5% | -26.7% |
| 2026 | -17.7% | +170.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are POST and YJ good diversifiers for each other?
Yes. With a correlation of -0.28, POST and YJ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between POST and YJ?
As of 2026-08-27, the correlation of weekly returns between POST and YJ is -0.28 over 3 years, -0.41 over 1 year and -0.17 over 5 years.
Is YJ a good diversifier for POST?
Yes. With a correlation of -0.28, POST and YJ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.28 mean?
A reading of -0.28 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/post-vs-yj.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/post-vs-yj/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: POST correlations · YJ correlations
