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JBL vs KLAC: Correlation

Jabil (JBL) and KLA Corporation (KLAC) show a moderate relationship: their 3-year correlation of weekly returns is 0.57.

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

Correlation (3Y)
0.57
moderate
Correlation (1Y)
0.65
last 12 months
Correlation (5Y)
0.58
long-run
Ann. covariance
1049.7
%² · weekly, annualized

How correlated are JBL and KLAC?

On 3 years of weekly data the JBL/KLAC correlation comes out at 0.57, moderate. Little has changed lately, as the 1-year reading of 0.65 lands near the 3-year figure. The 5-year figure is 0.58, and annualized covariance runs at 1049.7 %².

By 3-year correlation, KLAC places #10 of the 34 assets tracked against JBL. Correlation aside, the last 12 months split them widely, with KLAC ahead by 57.5 points (+50.4% versus +107.9%). Across three years, the rolling one-year figure varied moderately, from 0.39 to 0.67.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved 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.

JBL vs KLAC: side by side

JBL (Jabil)KLAC (KLA Corporation)
1-year return+50.4%+107.9%
5-year return+405.5%+463.9%
Volatility (ann.)40.6%45.6%
Beta vs S&P 5001.471.84
Max drawdown (3Y)-36.8%-43.6%
Market cap$32.7B$240.1B
P/E (trailing)38.950.2
Dividend yield0.10%0.44%
Sector / categoryInformation TechnologyInformation Technology
Lower P/E: JBL 38.9 vs 50.2Higher yield: KLAC 0.44% vs 0.10%Smaller drawdown: JBL -36.8% vs -43.6%Higher 5y return: KLAC +463.9% vs +405.5%
-8%0%+188%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. JBL · KLAC

Year-by-year returns

YearJBLKLAC
2022-2.5%-11.2%
2023+87.4%+56.0%
2024+13.3%+9.4%
2025+58.7%+94.5%
2026+37.0%+51.8%

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

Are JBL and KLAC good diversifiers for each other?

Only partially. A correlation of 0.57 means JBL and KLAC 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 JBL and KLAC?

Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.65 over the last year and 0.58 over 5 years.

Is KLAC a good diversifier for JBL?

Only partially. A correlation of 0.57 means JBL and KLAC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.57 mean?

On the −1 to +1 scale, 0.57 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

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$ curl https://www.pairbook.io/api/v1/pairs/jbl-vs-klac.json

JBL vs KLAC: 3-year weekly correlation 0.57JBL vs KLAC0.57

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Related comparisons

Hubs: JBL correlations · KLAC correlations