EME vs ZKIN: Correlation
Measured on weekly returns over the past three years, Emcor (EME) and ZK International Group Co., Ltd (ZKIN) 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 EME and ZKIN?
Over the past 3 years, EME and ZKIN moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.15 lands near the 3-year figure. Over 5 years the correlation is -0.15, and the annualized covariance of weekly returns is -2195.9 %².
Within EME's tracked universe of 34 assets, ZKIN comes in at #28 by 3-year correlation. Correlation aside, the last 12 months split them widely, with EME ahead by 66.1 points (+24.5% versus -41.6%). Risk is not evenly split, since ZKIN carries 8.5 times the volatility of the other side.
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.
EME vs ZKIN: side by side
| EME (Emcor) | ZKIN (ZK International Group Co., Ltd) | |
|---|---|---|
| 1-year return | +24.5% | -41.6% |
| 5-year return | +540.3% | -68.9% |
| Volatility (ann.) | 34.9% | 296.5% |
| Beta vs S&P 500 | 1.31 | -1.03 |
| Max drawdown (3Y) | -36.2% | -74.7% |
| Market cap | $34.2B | $0.1B |
| P/E (trailing) | 23.8 | – |
| Dividend yield | 0.09% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | EME | ZKIN |
|---|---|---|
| 2022 | +16.8% | -70.6% |
| 2023 | +46.0% | +140.2% |
| 2024 | +111.3% | -38.8% |
| 2025 | +35.1% | +150.0% |
| 2026 | +26.9% | -23.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EME and ZKIN 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 EME and ZKIN?
Using weekly returns as of 2026-08-27: -0.21 over 3 years, with -0.15 over the last year and -0.15 over 5 years.
Is ZKIN a good diversifier for EME?
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?
On the −1 to +1 scale, -0.21 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/eme-vs-zkin.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/eme-vs-zkin/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EME correlations · ZKIN correlations
