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FORM vs SOXX: Correlation

FormFactor, Inc. (FORM) and iShares Semiconductor ETF (SOXX) show a strong relationship: their 3-year correlation of weekly returns is 0.72.

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

Correlation (3Y)
0.72
strong
Correlation (1Y)
0.67
last 12 months
Correlation (5Y)
0.72
long-run
Ann. covariance
1474.1
%² · weekly, annualized

How correlated are FORM and SOXX?

On 3 years of weekly data the FORM/SOXX correlation comes out at 0.72, strong. Little has changed lately, as the 1-year reading of 0.67 lands near the 3-year figure. The 5-year figure is 0.72, and annualized covariance runs at 1474.1 %².

SOXX is one of the assets that tracks FORM most closely: it ranks #1 out of the 14 assets we track against FORM. Correlation aside, the last 12 months split them widely, with FORM ahead by 166.6 points (+276.6% versus +110.0%). Risk is not evenly split, since FORM 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.

FORM vs SOXX: side by side

FORM (FormFactor, Inc.)SOXX (iShares Semiconductor ETF)
1-year return+276.6%+110.0%
5-year return+178.6%+247.5%
Volatility (ann.)58.1%35.2%
Beta vs S&P 5002.081.93
Max drawdown (3Y)-62.7%-41.4%
Market cap$8.6B
P/E (trailing)74.5
Dividend yield0.00%0.29%
Expense ratio0.33%
Assets under management$44.7B
Sector / categoryUS ListedETF · Thematic
Higher yield: SOXX 0.29% vs 0.00%Smaller drawdown: SOXX -41.4% vs -62.7%Higher 5y return: SOXX +247.5% vs +178.6%

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%+428%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. FORM · SOXX

Year-by-year returns

YearFORMSOXX
2022-51.4%-35.1%
2023+87.6%+67.1%
2024+5.5%+12.9%
2025+26.8%+40.7%
2026+97.6%+74.7%

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

Are FORM and SOXX good diversifiers for each other?

To a limited degree. At 0.72 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 FORM and SOXX?

The FORM/SOXX correlation stands at 0.72 on a 3-year window (1 year: 0.67, 5 years: 0.72), computed from weekly returns as of 2026-08-27.

Is SOXX a good diversifier for FORM?

To a limited degree. At 0.72 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 0.72 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/form-vs-soxx.json

FORM vs SOXX: 3-year weekly correlation 0.72FORM vs SOXX0.72

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

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

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

Related comparisons

Hubs: FORM correlations · SOXX correlations