LASE vs ZCMD: Correlation
How closely do Laser Photonics Corporation (LASE) and Zhongchao Inc. - Class A (ZCMD) trade together? Their weekly returns over three years give a correlation of -0.28, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LASE and ZCMD?
Over the past 3 years, LASE and ZCMD moved with a correlation of -0.28, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.26 over 1 year against -0.28 over 3. Over 5 years the correlation is -0.26, and the annualized covariance of weekly returns is -8542.7 %².
ZCMD is close to the least connected end of LASE's tracked universe, ranking #12 of 14. The last year tells two different stories: LASE led by 35.0 percentage points, -64.9% for LASE against -99.9% for ZCMD.
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.
LASE vs ZCMD: side by side
| LASE (Laser Photonics Corporation) | ZCMD (Zhongchao Inc. - Class A) | |
|---|---|---|
| 1-year return | -64.9% | -99.9% |
| 5-year return | n/a | -100.0% |
| Volatility (ann.) | 212.3% | 141.8% |
| Beta vs S&P 500 | 0.04 | 0.59 |
| Max drawdown (3Y) | -96.8% | -100.0% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | LASE | ZCMD |
|---|---|---|
| 2022 | – | -35.4% |
| 2023 | -42.2% | -69.5% |
| 2024 | +389.8% | -53.8% |
| 2025 | -57.3% | -72.2% |
| 2026 | -35.6% | -99.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LASE and ZCMD good diversifiers for each other?
Yes. With a correlation of -0.28, LASE and ZCMD have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between LASE and ZCMD?
The LASE/ZCMD correlation stands at -0.28 on a 3-year window (1 year: -0.26, 5 years: -0.26), computed from weekly returns as of 2026-08-27.
Is ZCMD a good diversifier for LASE?
Yes. With a correlation of -0.28, LASE and ZCMD have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.28 mean?
A reading of -0.28 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/lase-vs-zcmd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/lase-vs-zcmd/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: LASE correlations · ZCMD correlations