AMD vs EAF: Correlation
How closely do Advanced Micro Devices (AMD) and GrafTech International Ltd. (EAF) trade together? Their weekly returns over three years give a correlation of 0.41, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMD and EAF?
On 3 years of weekly data the AMD/EAF correlation comes out at 0.41, moderate. The relationship has been stable: the 1-year correlation (0.49) sits close to the 3-year figure. The 5-year figure is 0.37, and annualized covariance runs at 2196.7 %².
Among the 33 assets we track against AMD, EAF ranks #23 by 3-year correlation. Correlation aside, the last 12 months split them widely, with AMD ahead by 210.5 points (+185.2% versus -25.3%). Risk is not evenly split, since EAF carries 1.7 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.
AMD vs EAF: side by side
| AMD (Advanced Micro Devices) | EAF (GrafTech International Ltd.) | |
|---|---|---|
| 1-year return | +185.2% | -25.3% |
| 5-year return | +328.2% | -93.3% |
| Volatility (ann.) | 55.7% | 96.0% |
| Beta vs S&P 500 | 2.04 | 1.47 |
| Max drawdown (3Y) | -63.0% | -86.7% |
| Market cap | $778.2B | $0.2B |
| P/E (trailing) | 121.9 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | AMD | EAF |
|---|---|---|
| 2022 | -55.0% | -59.5% |
| 2023 | +127.6% | -53.8% |
| 2024 | -18.1% | -21.0% |
| 2025 | +77.3% | -10.3% |
| 2026 | +122.6% | -52.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMD and EAF good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between AMD and EAF?
Using weekly returns as of 2026-08-27: 0.41 over 3 years, with 0.49 over the last year and 0.37 over 5 years.
Is EAF a good diversifier for AMD?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.41 mean?
On the −1 to +1 scale, 0.41 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: AMD correlations · EAF correlations
