SNA vs ZCMD: Correlation
Measured on weekly returns over the past three years, Snap-on (SNA) and Zhongchao Inc. - Class A (ZCMD) carry a correlation of -0.19, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SNA and ZCMD?
Across a 3-year window, the weekly returns of SNA and ZCMD correlate at -0.19, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.05) runs above the 3-year figure (-0.19). Stretching to 5 years gives -0.13, with an annualized covariance of -558.9 %².
Among the 34 assets we track against SNA, ZCMD ranks #26 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SNA outperformed by 123.0 percentage points (+23.1% for SNA against -99.9% for ZCMD). One caveat on sizing: ZCMD is 6.7 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.
SNA vs ZCMD: side by side
| SNA (Snap-on) | ZCMD (Zhongchao Inc. - Class A) | |
|---|---|---|
| 1-year return | +23.1% | -99.9% |
| 5-year return | +99.6% | -100.0% |
| Volatility (ann.) | 21.3% | 141.8% |
| Beta vs S&P 500 | 0.70 | 0.59 |
| Max drawdown (3Y) | -20.8% | -100.0% |
| Market cap | $20.5B | – |
| P/E (trailing) | 20.2 | – |
| Dividend yield | 2.38% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | SNA | ZCMD |
|---|---|---|
| 2022 | +8.9% | -35.4% |
| 2023 | +29.7% | -69.5% |
| 2024 | +20.7% | -53.8% |
| 2025 | +4.3% | -72.2% |
| 2026 | +17.1% | -99.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SNA and ZCMD good diversifiers for each other?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
FAQ
What is the correlation between SNA and ZCMD?
The SNA/ZCMD correlation stands at -0.19 on a 3-year window (1 year: -0.05, 5 years: -0.13), computed from weekly returns as of 2026-08-27.
Is ZCMD a good diversifier for SNA?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
What does a correlation of -0.19 mean?
On the −1 to +1 scale, -0.19 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/sna-vs-zcmd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/sna-vs-zcmd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SNA correlations · ZCMD correlations
