ASYS vs CMTL: Correlation
Measured on weekly returns over the past three years, Amtech Systems, Inc. (ASYS) and Comtech Telecommunications Corp. (CMTL) carry a correlation of 0.35, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASYS and CMTL?
On 3 years of weekly data the ASYS/CMTL correlation comes out at 0.35, moderate. Recent behaviour matches the longer record: 0.26 over 1 year against 0.35 over 3. The 5-year figure is 0.31, and annualized covariance runs at 2496.1 %².
CMTL is one of the assets that tracks ASYS most closely: it ranks #2 out of the 10 assets we track against ASYS. Correlation aside, the last 12 months split them widely, with ASYS ahead by 178.6 points (+165.2% versus -13.4%).
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.
ASYS vs CMTL: side by side
| ASYS (Amtech Systems, Inc.) | CMTL (Comtech Telecommunications Corp.) | |
|---|---|---|
| 1-year return | +165.2% | -13.4% |
| 5-year return | +54.0% | -92.9% |
| Volatility (ann.) | 71.9% | 100.4% |
| Beta vs S&P 500 | 0.92 | 1.44 |
| Max drawdown (3Y) | -61.3% | -90.2% |
| Market cap | $0.3B | $0.1B |
| P/E (trailing) | 56.5 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASYS | CMTL |
|---|---|---|
| 2022 | -23.1% | -47.1% |
| 2023 | -44.7% | -30.0% |
| 2024 | +29.8% | -52.4% |
| 2025 | +130.3% | +31.9% |
| 2026 | +26.1% | -66.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASYS and CMTL good diversifiers for each other?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ASYS and CMTL?
The ASYS/CMTL correlation stands at 0.35 on a 3-year window (1 year: 0.26, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is CMTL a good diversifier for ASYS?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.35 mean?
On the −1 to +1 scale, 0.35 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/asys-vs-cmtl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/asys-vs-cmtl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ASYS correlations · CMTL correlations
