AMAT vs AMKR: Correlation
How closely do Applied Materials (AMAT) and Amkor Technology, Inc. (AMKR) trade together? Their weekly returns over three years give a correlation of 0.68, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMAT and AMKR?
Over the past 3 years, AMAT and AMKR moved with a correlation of 0.68, which is strong. The relationship has been stable: the 1-year correlation (0.70) sits close to the 3-year figure. Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 1706.1 %².
By 3-year correlation, AMKR places #14 of the 34 assets tracked against AMAT. The last year tells two different stories: AMAT led by 82.7 percentage points, +195.0% for AMAT against +112.3% for AMKR.
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 AMKR: side by side
| AMAT (Applied Materials) | AMKR (Amkor Technology, Inc.) | |
|---|---|---|
| 1-year return | +195.0% | +112.3% |
| 5-year return | +269.5% | +98.2% |
| Volatility (ann.) | 43.5% | 57.4% |
| Beta vs S&P 500 | 1.69 | 2.24 |
| Max drawdown (3Y) | -49.9% | -65.9% |
| Market cap | $382.8B | $12.9B |
| P/E (trailing) | 41.3 | 21.6 |
| Dividend yield | 0.41% | 0.69% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | AMAT | AMKR |
|---|---|---|
| 2022 | -37.5% | -2.3% |
| 2023 | +68.0% | +40.3% |
| 2024 | +1.1% | -20.8% |
| 2025 | +59.6% | +55.9% |
| 2026 | +88.4% | +31.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMAT and AMKR good diversifiers for each other?
Only partially. A correlation of 0.68 means AMAT and AMKR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between AMAT and AMKR?
The AMAT/AMKR correlation stands at 0.68 on a 3-year window (1 year: 0.70, 5 years: 0.70), computed from weekly returns as of 2026-08-27.
Is AMKR a good diversifier for AMAT?
Only partially. A correlation of 0.68 means AMAT and AMKR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.68 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
$ curl https://www.pairbook.io/api/v1/pairs/amat-vs-amkr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/amat-vs-amkr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AMAT correlations · AMKR correlations
