FAST vs ZCMD: Correlation
Measured on weekly returns over the past three years, Fastenal (FAST) and Zhongchao Inc. - Class A (ZCMD) carry a correlation of -0.21, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FAST and ZCMD?
Across a 3-year window, the weekly returns of FAST and ZCMD correlate at -0.21, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.24 lands near the 3-year figure. Stretching to 5 years gives -0.14, with an annualized covariance of -699.2 %².
Among the 33 assets we track against FAST, ZCMD sits near the bottom by co-movement, at rank #30. Correlation aside, the last 12 months split them widely, with FAST ahead by 104.0 points (+4.1% versus -99.9%). One caveat on sizing: ZCMD is 5.9 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.
FAST vs ZCMD: side by side
| FAST (Fastenal) | ZCMD (Zhongchao Inc. - Class A) | |
|---|---|---|
| 1-year return | +4.1% | -99.9% |
| 5-year return | +105.5% | -100.0% |
| Volatility (ann.) | 24.0% | 141.8% |
| Beta vs S&P 500 | 0.63 | 0.59 |
| Max drawdown (3Y) | -21.9% | -100.0% |
| Market cap | $58.7B | – |
| P/E (trailing) | 43.7 | – |
| Dividend yield | 1.80% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | FAST | ZCMD |
|---|---|---|
| 2022 | -24.3% | -35.4% |
| 2023 | +41.3% | -69.5% |
| 2024 | +13.5% | -53.8% |
| 2025 | +14.0% | -72.2% |
| 2026 | +29.5% | -99.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FAST and ZCMD good diversifiers for each other?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between FAST and ZCMD?
Using weekly returns as of 2026-08-27: -0.21 over 3 years, with -0.24 over the last year and -0.14 over 5 years.
Is ZCMD a good diversifier for FAST?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.21 mean?
A reading of -0.21 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/fast-vs-zcmd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fast-vs-zcmd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FAST correlations · ZCMD correlations
