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AMKR vs SOXX: Correlation

How closely do Amkor Technology, Inc. (AMKR) and iShares Semiconductor ETF (SOXX) trade together? Their weekly returns over three years give a correlation of 0.76, which is strong.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.76
strong
Correlation (1Y)
0.75
last 12 months
Correlation (5Y)
0.78
long-run
Ann. covariance
1542.7
%² · weekly, annualized

How correlated are AMKR and SOXX?

On 3 years of weekly data the AMKR/SOXX correlation comes out at 0.76, strong. Little has changed lately, as the 1-year reading of 0.75 lands near the 3-year figure. The 5-year figure is 0.78, and annualized covariance runs at 1542.7 %².

SOXX is one of the assets that tracks AMKR most closely: it ranks #1 out of the 17 assets we track against AMKR. Neither side won the trailing year by much: +112.3% against +110.0%. One caveat on sizing: AMKR is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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 SOXX: side by side

AMKR (Amkor Technology, Inc.)SOXX (iShares Semiconductor ETF)
1-year return+112.3%+110.0%
5-year return+98.2%+247.5%
Volatility (ann.)57.4%35.2%
Beta vs S&P 5002.241.93
Max drawdown (3Y)-65.9%-41.4%
Market cap$12.9B
P/E (trailing)21.6
Dividend yield0.69%0.29%
Expense ratio0.33%
Assets under management$44.7B
Sector / categoryUS ListedETF · Thematic
Higher yield: AMKR 0.69% vs 0.29%Smaller drawdown: SOXX -41.4% vs -65.9%Higher 5y return: SOXX +247.5% vs +98.2%

On the fund side, SOXX sits in the Technology category at iShares, with $44.7B under management, 30 holdings, a 0.33% expense ratio, a 0.29% trailing dividend yield.

0%+269%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AMKR · SOXX

Year-by-year returns

YearAMKRSOXX
2022-2.3%-35.1%
2023+40.3%+67.1%
2024-20.8%+12.9%
2025+55.9%+40.7%
2026+31.5%+74.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are AMKR and SOXX good diversifiers for each other?

Only partially. A correlation of 0.76 means AMKR and SOXX 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 AMKR and SOXX?

As of 2026-08-27, the correlation of weekly returns between AMKR and SOXX is 0.76 over 3 years, 0.75 over 1 year and 0.78 over 5 years.

Is SOXX a good diversifier for AMKR?

Only partially. A correlation of 0.76 means AMKR and SOXX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.76 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/amkr-vs-soxx.json

AMKR vs SOXX: 3-year weekly correlation 0.76AMKR vs SOXX0.76

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Related comparisons

Hubs: AMKR correlations · SOXX correlations