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AEIS vs SOXX: Correlation

How closely do Advanced Energy Industries, Inc. (AEIS) and iShares Semiconductor ETF (SOXX) trade together? Their weekly returns over three years give a correlation of 0.71, which is strong.

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

Correlation (3Y)
0.71
strong
Correlation (1Y)
0.59
last 12 months
Correlation (5Y)
0.75
long-run
Ann. covariance
1089.6
%² · weekly, annualized

How correlated are AEIS and SOXX?

Over the past 3 years, AEIS and SOXX moved with a correlation of 0.71, which is strong. The link has loosened recently: the 1-year correlation (0.59) runs below the 3-year figure (0.71). Over 5 years the correlation is 0.75, and the annualized covariance of weekly returns is 1089.6 %².

SOXX is one of the assets that tracks AEIS most closely: it ranks #2 out of the 32 assets we track against AEIS. The last year tells two different stories: SOXX led by 23.0 percentage points, +87.0% for AEIS against +110.0% for SOXX.

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.

AEIS vs SOXX: side by side

AEIS (Advanced Energy Industries, Inc.)SOXX (iShares Semiconductor ETF)
1-year return+87.0%+110.0%
5-year return+222.9%+247.5%
Volatility (ann.)43.9%35.2%
Beta vs S&P 5001.691.93
Max drawdown (3Y)-39.9%-41.4%
Market cap$11.5B
P/E (trailing)52.4
Dividend yield0.14%0.29%
Expense ratio0.33%
Assets under management$44.7B
Sector / categoryUS ListedETF · Thematic
Higher yield: SOXX 0.29% vs 0.14%Smaller drawdown: AEIS -39.9% vs -41.4%Higher 5y return: SOXX +247.5% vs +222.9%

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. AEIS · SOXX

Year-by-year returns

YearAEISSOXX
2022-5.4%-35.1%
2023+27.5%+67.1%
2024+6.6%+12.9%
2025+81.6%+40.7%
2026+37.3%+74.7%

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

Are AEIS and SOXX good diversifiers for each other?

To a limited degree. At 0.71 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 AEIS and SOXX?

As of 2026-08-27, the correlation of weekly returns between AEIS and SOXX is 0.71 over 3 years, 0.59 over 1 year and 0.75 over 5 years.

Is SOXX a good diversifier for AEIS?

To a limited degree. At 0.71 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 0.71 mean?

A reading of 0.71 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

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

AEIS vs SOXX: 3-year weekly correlation 0.71AEIS vs SOXX0.71

Drop this badge in a README or notebook; it updates with the data:

[![AEIS vs SOXX correlation](https://www.pairbook.io/api/v1/badge/aeis-vs-soxx.svg)](https://www.pairbook.io/pair/aeis-vs-soxx/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: AEIS correlations · SOXX correlations