AMAT vs APH: Correlation
How closely do Applied Materials (AMAT) and Amphenol (APH) trade together? Their weekly returns over three years give a correlation of 0.58, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMAT and APH?
Over the past 3 years, AMAT and APH moved with a correlation of 0.58, which is moderate. Recent behaviour matches the longer record: 0.52 over 1 year against 0.58 over 3. Over 5 years the correlation is 0.62, and the annualized covariance of weekly returns is 843.5 %².
Within AMAT's tracked universe of 34 assets, APH comes in at #22 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months AMAT outperformed by 147.5 percentage points (+195.0% for AMAT against +47.5% for APH). The rolling one-year correlation moved between 0.43 and 0.77 over the past three years, a moderate range.
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.
AMAT vs APH: side by side
| AMAT (Applied Materials) | APH (Amphenol) | |
|---|---|---|
| 1-year return | +195.0% | +47.5% |
| 5-year return | +269.5% | +338.9% |
| Volatility (ann.) | 43.5% | 33.6% |
| Beta vs S&P 500 | 1.69 | 1.57 |
| Max drawdown (3Y) | -49.9% | -28.2% |
| Market cap | $382.8B | $199.0B |
| P/E (trailing) | 41.3 | 40.3 |
| Dividend yield | 0.41% | 0.57% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | AMAT | APH |
|---|---|---|
| 2022 | -37.5% | -12.0% |
| 2023 | +68.0% | +31.5% |
| 2024 | +1.1% | +41.3% |
| 2025 | +59.6% | +96.1% |
| 2026 | +88.4% | +19.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMAT and APH good diversifiers for each other?
To a limited degree. At 0.58 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between AMAT and APH?
As of 2026-08-27, the correlation of weekly returns between AMAT and APH is 0.58 over 3 years, 0.52 over 1 year and 0.62 over 5 years.
Is APH a good diversifier for AMAT?
To a limited degree. At 0.58 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.58 mean?
On the −1 to +1 scale, 0.58 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.
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Related comparisons
Hubs: AMAT correlations · APH correlations
