SMXT vs SXTC: Correlation
Solarmax Technology Inc. (SMXT) and China SXT Pharmaceuticals, Inc. - Class A (SXTC) show a very strong relationship: their 3-year correlation of weekly returns is 0.97.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SMXT and SXTC?
Across a 3-year window, the weekly returns of SMXT and SXTC correlate at 0.97, very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.98 over 1 year against 0.97 over 3. Stretching to 5 years gives n/a, with an annualized covariance of 7015345.1 %².
In SMXT's tracked universe of 10 assets, SXTC sits right near the top at #2. The last year tells two different stories: SMXT led by 238.1 percentage points, +139.7% for SMXT against -98.4% for SXTC. Note the risk asymmetry: SXTC runs 7.4 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
SMXT vs SXTC: side by side
| SMXT (Solarmax Technology Inc.) | SXTC (China SXT Pharmaceuticals, Inc. - Class A) | |
|---|---|---|
| 1-year return | +139.7% | -98.4% |
| 5-year return | n/a | -99.9% |
| Volatility (ann.) | 947.0% | 6970.7% |
| Beta vs S&P 500 | 2.41 | 6.97 |
| Max drawdown (3Y) | -98.0% | -100.0% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SMXT | SXTC |
|---|---|---|
| 2022 | – | -16.6% |
| 2023 | – | -70.7% |
| 2024 | – | -87.2% |
| 2025 | -49.3% | +215.0% |
| 2026 | +267.8% | -98.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SMXT and SXTC good diversifiers for each other?
Not really. At 0.97, the two trade almost as one position, and owning both buys little extra protection.
FAQ
What is the correlation between SMXT and SXTC?
Using weekly returns as of 2026-08-27: 0.97 over 3 years, with 0.98 over the last year and n/a over 5 years.
Is SXTC a good diversifier for SMXT?
Not really. At 0.97, the two trade almost as one position, and owning both buys little extra protection.
What does a correlation of 0.97 mean?
A reading of 0.97 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/smxt-vs-sxtc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/smxt-vs-sxtc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SMXT correlations · SXTC correlations
