ALSN vs AME: Correlation
How closely do Allison Transmission Holdings, Inc. (ALSN) and Ametek (AME) trade together? Their weekly returns over three years give a correlation of 0.59, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALSN and AME?
On 3 years of weekly data the ALSN/AME correlation comes out at 0.59, moderate. The link has loosened recently: the 1-year correlation (0.44) runs below the 3-year figure (0.59). The 5-year figure is 0.57, and annualized covariance runs at 360.2 %².
Among the 12 assets we track against ALSN, AME ranks #4 by 3-year correlation. Over the last 12 months ALSN came out ahead by 14.9 percentage points (+46.3% against +31.4%).
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.
ALSN vs AME: side by side
| ALSN (Allison Transmission Holdings, Inc.) | AME (Ametek) | |
|---|---|---|
| 1-year return | +46.3% | +31.4% |
| 5-year return | +271.5% | +83.6% |
| Volatility (ann.) | 29.8% | 20.4% |
| Beta vs S&P 500 | 0.81 | 0.84 |
| Max drawdown (3Y) | -33.6% | -23.0% |
| Market cap | $10.7B | $55.9B |
| P/E (trailing) | 20.4 | 35.8 |
| Dividend yield | 0.87% | 0.53% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | ALSN | AME |
|---|---|---|
| 2022 | +16.9% | -4.3% |
| 2023 | +42.3% | +18.8% |
| 2024 | +88.0% | +10.0% |
| 2025 | -8.3% | +14.7% |
| 2026 | +32.9% | +19.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALSN and AME good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ALSN and AME?
As of 2026-08-27, the correlation of weekly returns between ALSN and AME is 0.59 over 3 years, 0.44 over 1 year and 0.57 over 5 years.
Is AME a good diversifier for ALSN?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.59 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.
Use this data
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Related comparisons
Hubs: ALSN correlations · AME correlations
