AMKR vs TER: Correlation
How closely do Amkor Technology, Inc. (AMKR) and Teradyne (TER) trade together? Their weekly returns over three years give a correlation of 0.61, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMKR and TER?
Over the past 3 years, AMKR and TER moved with a correlation of 0.61, which is strong. Recent behaviour matches the longer record: 0.53 over 1 year against 0.61 over 3. Over 5 years the correlation is 0.63, and the annualized covariance of weekly returns is 1838.8 %².
Among the 17 assets we track against AMKR, TER ranks #11 by 3-year correlation. The last year tells two different stories: TER led by 106.5 percentage points, +112.3% for AMKR against +218.8% for TER.
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.
AMKR vs TER: side by side
| AMKR (Amkor Technology, Inc.) | TER (Teradyne) | |
|---|---|---|
| 1-year return | +112.3% | +218.8% |
| 5-year return | +98.2% | +207.9% |
| Volatility (ann.) | 57.4% | 52.5% |
| Beta vs S&P 500 | 2.24 | 1.70 |
| Max drawdown (3Y) | -65.9% | -58.2% |
| Market cap | $12.9B | $58.2B |
| P/E (trailing) | 21.6 | 50.0 |
| Dividend yield | 0.69% | 0.14% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | AMKR | TER |
|---|---|---|
| 2022 | -2.3% | -46.3% |
| 2023 | +40.3% | +24.8% |
| 2024 | -20.8% | +16.5% |
| 2025 | +55.9% | +54.4% |
| 2026 | +31.5% | +92.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMKR and TER good diversifiers for each other?
To a limited degree. At 0.61 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 AMKR and TER?
Using weekly returns as of 2026-08-27: 0.61 over 3 years, with 0.53 over the last year and 0.63 over 5 years.
Is TER a good diversifier for AMKR?
To a limited degree. At 0.61 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 0.61 mean?
A reading of 0.61 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/amkr-vs-ter.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/amkr-vs-ter/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AMKR correlations · TER correlations
