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CTS vs LFUS: Correlation

How closely do CTS Corporation (CTS) and Littelfuse, Inc. (LFUS) trade together? Their weekly returns over three years give a correlation of 0.68, which is strong.

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

Correlation (3Y)
0.68
strong
Correlation (1Y)
0.73
last 12 months
Correlation (5Y)
0.58
long-run
Ann. covariance
788.6
%² · weekly, annualized

How correlated are CTS and LFUS?

On 3 years of weekly data the CTS/LFUS correlation comes out at 0.68, strong. Recent behaviour matches the longer record: 0.73 over 1 year against 0.68 over 3. The 5-year figure is 0.58, and annualized covariance runs at 788.6 %².

By 3-year correlation, LFUS places #7 of the 26 assets tracked against CTS. Their recent paths diverged sharply: over the last 12 months LFUS outperformed by 26.2 percentage points (+35.8% for CTS against +62.0% for LFUS).

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.

CTS vs LFUS: side by side

CTS (CTS Corporation)LFUS (Littelfuse, Inc.)
1-year return+35.8%+62.0%
5-year return+63.4%+53.7%
Volatility (ann.)33.0%35.3%
Beta vs S&P 5001.401.44
Max drawdown (3Y)-40.6%-45.0%
Market cap$1.6B$10.7B
P/E (trailing)23.8
Dividend yield0.28%0.72%
Sector / categoryUS ListedUS Listed
Higher yield: LFUS 0.72% vs 0.28%Smaller drawdown: CTS -40.6% vs -45.0%Higher 5y return: CTS +63.4% vs +53.7%
-13%0%+84%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CTS · LFUS

Year-by-year returns

YearCTSLFUS
2022+7.8%-29.4%
2023+11.4%+22.7%
2024+20.9%-11.0%
2025-18.4%+8.6%
2026+34.7%+67.5%

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

Are CTS and LFUS good diversifiers for each other?

To a limited degree. At 0.68 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 CTS and LFUS?

Using weekly returns as of 2026-08-27: 0.68 over 3 years, with 0.73 over the last year and 0.58 over 5 years.

Is LFUS a good diversifier for CTS?

To a limited degree. At 0.68 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 0.68 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/cts-vs-lfus.json

CTS vs LFUS: 3-year weekly correlation 0.68CTS vs LFUS0.68

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Related comparisons

Hubs: CTS correlations · LFUS correlations