AMT vs SILC: Correlation
How closely do American Tower (AMT) and Silicom Ltd (SILC) trade together? Their weekly returns over three years give a correlation of -0.19, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMT and SILC?
Across a 3-year window, the weekly returns of AMT and SILC correlate at -0.19, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.05) than the 3-year average (-0.19). Stretching to 5 years gives 0.02, with an annualized covariance of -278.4 %².
SILC is close to the least connected end of AMT's tracked universe, ranking #28 of 30. The last year tells two different stories: SILC led by 204.1 percentage points, -11.0% for AMT against +193.1% for SILC. Risk is not evenly split, since SILC carries 2.0 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.
AMT vs SILC: side by side
| AMT (American Tower) | SILC (Silicom Ltd) | |
|---|---|---|
| 1-year return | -11.0% | +193.1% |
| 5-year return | -30.2% | +6.1% |
| Volatility (ann.) | 27.1% | 54.8% |
| Beta vs S&P 500 | 0.18 | 0.98 |
| Max drawdown (3Y) | -28.4% | -56.5% |
| Market cap | $81.2B | $0.3B |
| P/E (trailing) | 24.2 | – |
| Dividend yield | 3.97% | 0.00% |
| Sector / category | Real Estate | US Listed |
Year-by-year returns
| Year | AMT | SILC |
|---|---|---|
| 2022 | -25.7% | -18.3% |
| 2023 | +5.4% | -57.1% |
| 2024 | -12.2% | -9.9% |
| 2025 | -0.9% | -9.9% |
| 2026 | +1.1% | +224.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMT and SILC good diversifiers for each other?
Yes: at -0.19, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AMT and SILC?
The AMT/SILC correlation stands at -0.19 on a 3-year window (1 year: -0.05, 5 years: 0.02), computed from weekly returns as of 2026-08-27.
Is SILC a good diversifier for AMT?
Yes: at -0.19, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.19 mean?
A reading of -0.19 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/amt-vs-silc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/amt-vs-silc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AMT correlations · SILC correlations
