ASYS vs CCCC: Correlation
How closely do Amtech Systems, Inc. (ASYS) and C4 Therapeutics, Inc. (CCCC) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASYS and CCCC?
Over the past 3 years, ASYS and CCCC moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.00) than the 3-year average (-0.24). Over 5 years the correlation is -0.13, and the annualized covariance of weekly returns is -3153.7 %².
Among the 10 assets we track against ASYS, CCCC sits near the bottom by co-movement, at rank #9. Their recent paths diverged sharply: over the last 12 months ASYS outperformed by 106.3 percentage points (+165.2% for ASYS against +58.9% for CCCC). Risk is not evenly split, since CCCC carries 2.6 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.
ASYS vs CCCC: side by side
| ASYS (Amtech Systems, Inc.) | CCCC (C4 Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +165.2% | +58.9% |
| 5-year return | +54.0% | -90.1% |
| Volatility (ann.) | 71.9% | 184.7% |
| Beta vs S&P 500 | 0.92 | 3.22 |
| Max drawdown (3Y) | -61.3% | -90.0% |
| Market cap | $0.3B | $0.5B |
| P/E (trailing) | 56.5 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASYS | CCCC |
|---|---|---|
| 2022 | -23.1% | -81.7% |
| 2023 | -44.7% | -4.2% |
| 2024 | +29.8% | -36.3% |
| 2025 | +130.3% | -46.9% |
| 2026 | +26.1% | +114.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASYS and CCCC good diversifiers for each other?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between ASYS and CCCC?
The ASYS/CCCC correlation stands at -0.24 on a 3-year window (1 year: -0.00, 5 years: -0.13), computed from weekly returns as of 2026-08-27.
Is CCCC a good diversifier for ASYS?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.24 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: ASYS correlations · CCCC correlations
