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POWI vs TXN: Correlation

How closely do Power Integrations, Inc. (POWI) and Texas Instruments (TXN) trade together? Their weekly returns over three years give a correlation of 0.64, which is strong.

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

Correlation (3Y)
0.64
strong
Correlation (1Y)
0.57
last 12 months
Correlation (5Y)
0.64
long-run
Ann. covariance
1024.7
%² · weekly, annualized

How correlated are POWI and TXN?

Over the past 3 years, POWI and TXN moved with a correlation of 0.64, which is strong. Recent behaviour matches the longer record: 0.57 over 1 year against 0.64 over 3. Over 5 years the correlation is 0.64, and the annualized covariance of weekly returns is 1024.7 %².

Among the 17 assets we track against POWI, TXN ranks #4 by 3-year correlation. On 12-month performance TXN holds a 12.6-point edge, +20.5% against +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.

POWI vs TXN: side by side

POWI (Power Integrations, Inc.)TXN (Texas Instruments)
1-year return+20.5%+33.1%
5-year return-46.7%+60.4%
Volatility (ann.)46.5%34.3%
Beta vs S&P 5001.591.28
Max drawdown (3Y)-63.6%-33.4%
Market cap$3.1B$243.4B
P/E (trailing)125.740.6
Dividend yield1.55%2.15%
Sector / categoryUS ListedInformation Technology
Lower P/E: TXN 40.6 vs 125.7Higher yield: TXN 2.15% vs 1.55%Smaller drawdown: TXN -33.4% vs -63.6%Higher 5y return: TXN +60.4% vs -46.7%
-26%0%+96%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. POWI · TXN

Year-by-year returns

YearPOWITXN
2022-22.1%-9.9%
2023+15.6%+6.4%
2024-24.0%+13.1%
2025-41.3%-4.5%
2026+56.7%+56.2%

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

Are POWI and TXN good diversifiers for each other?

Somewhat, no more. With 0.64 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between POWI and TXN?

As of 2026-08-27, the correlation of weekly returns between POWI and TXN is 0.64 over 3 years, 0.57 over 1 year and 0.64 over 5 years.

Is TXN a good diversifier for POWI?

Somewhat, no more. With 0.64 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.64 mean?

On the −1 to +1 scale, 0.64 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.

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POWI vs TXN: 3-year weekly correlation 0.64POWI vs TXN0.64

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Related comparisons

Hubs: POWI correlations · TXN correlations