HHS vs SXTC: Correlation
Harte Hanks, Inc. (HHS) and China SXT Pharmaceuticals, Inc. - Class A (SXTC) show a moderate relationship: their 3-year correlation of weekly returns is 0.55.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HHS and SXTC?
Over the past 3 years, HHS and SXTC moved with a correlation of 0.55, which is moderate. Recent behaviour matches the longer record: 0.59 over 1 year against 0.55 over 3. Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 255354.2 %².
By 3-year correlation, SXTC places #6 of the 21 assets tracked against HHS. Correlation aside, the last 12 months split them widely, with HHS ahead by 118.3 points (+19.9% versus -98.4%). One caveat on sizing: SXTC is 103.7 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.
HHS vs SXTC: side by side
| HHS (Harte Hanks, Inc.) | SXTC (China SXT Pharmaceuticals, Inc. - Class A) | |
|---|---|---|
| 1-year return | +19.9% | -98.4% |
| 5-year return | -33.4% | -99.9% |
| Volatility (ann.) | 67.2% | 6970.7% |
| Beta vs S&P 500 | 0.84 | 6.97 |
| Max drawdown (3Y) | -77.2% | -100.0% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HHS | SXTC |
|---|---|---|
| 2022 | +53.8% | -16.6% |
| 2023 | -41.9% | -70.7% |
| 2024 | -24.2% | -87.2% |
| 2025 | -41.6% | +215.0% |
| 2026 | +43.9% | -98.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HHS and SXTC good diversifiers for each other?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between HHS and SXTC?
As of 2026-08-27, the correlation of weekly returns between HHS and SXTC is 0.55 over 3 years, 0.59 over 1 year and 0.45 over 5 years.
Is SXTC a good diversifier for HHS?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.55 mean?
On the −1 to +1 scale, 0.55 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/hhs-vs-sxtc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/hhs-vs-sxtc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: HHS correlations · SXTC correlations
