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DIOD vs TXN: Correlation

How closely do Diodes Incorporated (DIOD) and Texas Instruments (TXN) trade together? Their weekly returns over three years give a correlation of 0.66, which is strong.

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

Correlation (3Y)
0.66
strong
Correlation (1Y)
0.60
last 12 months
Correlation (5Y)
0.67
long-run
Ann. covariance
1133.1
%² · weekly, annualized

How correlated are DIOD and TXN?

On 3 years of weekly data the DIOD/TXN correlation comes out at 0.66, strong. Little has changed lately, as the 1-year reading of 0.60 lands near the 3-year figure. The 5-year figure is 0.67, and annualized covariance runs at 1133.1 %².

Among the 25 assets we track against DIOD, TXN ranks #8 by 3-year correlation. Correlation aside, the last 12 months split them widely, with DIOD ahead by 28.6 points (+61.7% versus +33.1%).

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.

DIOD vs TXN: side by side

DIOD (Diodes Incorporated)TXN (Texas Instruments)
1-year return+61.7%+33.1%
5-year return-7.4%+60.4%
Volatility (ann.)50.3%34.3%
Beta vs S&P 5001.841.28
Max drawdown (3Y)-60.1%-33.4%
Market cap$4.2B$243.4B
P/E (trailing)48.640.6
Dividend yield0.00%2.15%
Sector / categoryUS ListedInformation Technology
Lower P/E: TXN 40.6 vs 48.6Higher yield: TXN 2.15% vs 0.00%Smaller drawdown: TXN -33.4% vs -60.1%Higher 5y return: TXN +60.4% vs -7.4%
-16%0%+125%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. DIOD · TXN

Year-by-year returns

YearDIODTXN
2022-30.7%-9.9%
2023+5.8%+6.4%
2024-23.4%+13.1%
2025-20.0%-4.5%
2026+84.2%+56.2%

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

Are DIOD and TXN good diversifiers for each other?

Somewhat, no more. With 0.66 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between DIOD and TXN?

Using weekly returns as of 2026-08-27: 0.66 over 3 years, with 0.60 over the last year and 0.67 over 5 years.

Is TXN a good diversifier for DIOD?

Somewhat, no more. With 0.66 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.66 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

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DIOD vs TXN: 3-year weekly correlation 0.66DIOD vs TXN0.66

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Related comparisons

Hubs: DIOD correlations · TXN correlations