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APH vs SOXX: Correlation

How closely do Amphenol (APH) and iShares Semiconductor ETF (SOXX) trade together? Their weekly returns over three years give a correlation of 0.67, which is strong.

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

Correlation (3Y)
0.67
strong
Correlation (1Y)
0.54
last 12 months
Correlation (5Y)
0.70
long-run
Ann. covariance
795.8
%² · weekly, annualized

How correlated are APH and SOXX?

Over the past 3 years, APH and SOXX moved with a correlation of 0.67, which is strong. The link has loosened recently: the 1-year correlation (0.54) runs below the 3-year figure (0.67). Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 795.8 %².

Among the 38 assets we track against APH, SOXX ranks #14 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SOXX ahead by 62.5 points (+47.5% versus +110.0%). Across three years, the rolling one-year figure varied moderately, from 0.45 to 0.86.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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.

APH vs SOXX: side by side

APH (Amphenol)SOXX (iShares Semiconductor ETF)
1-year return+47.5%+110.0%
5-year return+338.9%+247.5%
Volatility (ann.)33.6%35.2%
Beta vs S&P 5001.571.93
Max drawdown (3Y)-28.2%-41.4%
Market cap$199.0B
P/E (trailing)40.3
Dividend yield0.57%0.29%
Expense ratio0.33%
Assets under management$44.7B
Sector / categoryInformation TechnologyETF · Thematic
Higher yield: APH 0.57% vs 0.29%Smaller drawdown: APH -28.2% vs -41.4%Higher 5y return: APH +338.9% vs +247.5%

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%+160%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. APH · SOXX

Year-by-year returns

YearAPHSOXX
2022-12.0%-35.1%
2023+31.5%+67.1%
2024+41.3%+12.9%
2025+96.1%+40.7%
2026+19.8%+74.7%

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

Are APH and SOXX good diversifiers for each other?

Somewhat, no more. With 0.67 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between APH and SOXX?

Using weekly returns as of 2026-08-27: 0.67 over 3 years, with 0.54 over the last year and 0.70 over 5 years.

Is SOXX a good diversifier for APH?

Somewhat, no more. With 0.67 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.67 mean?

On the −1 to +1 scale, 0.67 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.

Use this data

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

APH vs SOXX: 3-year weekly correlation 0.67APH vs SOXX0.67

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Related comparisons

Hubs: APH correlations · SOXX correlations