OPTU vs ZCMD: Correlation
Optimum Communications, Inc. (OPTU) and Zhongchao Inc. - Class A (ZCMD) show a negative relationship: their 3-year correlation of weekly returns is -0.26.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OPTU and ZCMD?
Across a 3-year window, the weekly returns of OPTU and ZCMD correlate at -0.26, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.34) sits close to the 3-year figure. Stretching to 5 years gives -0.22, with an annualized covariance of -3355.2 %².
Out of 11 assets tracked against OPTU, ZCMD lands near the bottom at #11. The last year tells two different stories: OPTU led by 42.0 percentage points, -57.9% for OPTU against -99.9% for ZCMD. Note the risk asymmetry: ZCMD runs 1.5 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.
OPTU vs ZCMD: side by side
| OPTU (Optimum Communications, Inc.) | ZCMD (Zhongchao Inc. - Class A) | |
|---|---|---|
| 1-year return | -57.9% | -99.9% |
| 5-year return | -96.3% | -100.0% |
| Volatility (ann.) | 91.7% | 141.8% |
| Beta vs S&P 500 | 0.14 | 0.59 |
| Max drawdown (3Y) | -82.5% | -100.0% |
| Market cap | $0.4B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OPTU | ZCMD |
|---|---|---|
| 2022 | -71.6% | -35.4% |
| 2023 | -29.3% | -69.5% |
| 2024 | -25.8% | -53.8% |
| 2025 | -31.5% | -72.2% |
| 2026 | -38.2% | -99.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OPTU and ZCMD good diversifiers for each other?
Yes. With a correlation of -0.26, OPTU and ZCMD have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between OPTU and ZCMD?
Using weekly returns as of 2026-08-27: -0.26 over 3 years, with -0.34 over the last year and -0.22 over 5 years.
Is ZCMD a good diversifier for OPTU?
Yes. With a correlation of -0.26, OPTU and ZCMD have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.26 mean?
A reading of -0.26 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/optu-vs-zcmd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/optu-vs-zcmd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: OPTU correlations · ZCMD correlations
