Correlation Between Broadcom and STMicroelectronics

Can any of the company-specific risk be diversified away by investing in both Broadcom and STMicroelectronics at the same time? Although using a correlation coefficient on its own may not help to predict future stock returns, this module helps to understand the diversifiable risk of combining Broadcom and STMicroelectronics into the same portfolio, which is an essential part of the fundamental portfolio management process.

By analyzing existing cross correlation between Broadcom and STMicroelectronics NV ADR, you can compare the effects of market volatilities on Broadcom and STMicroelectronics and check how they will diversify away market risk if combined in the same portfolio for a given time horizon. You can also utilize pair trading strategies of matching a long position in Broadcom with a short position of STMicroelectronics. Check out your portfolio center. Please also check ongoing floating volatility patterns of Broadcom and STMicroelectronics.

Diversification Opportunities for Broadcom and STMicroelectronics

0.9

Correlation Coefficient

Broadcom  STMicroelectronics

Almost no diversification

The 3 months correlation between Broadcom and STMicroelectronics is 0.9. Overlapping area represents the amount of risk that can be diversified away by holding Broadcom and STMicroelectronics NV ADR in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on STMicroelectronics NV ADR and Broadcom is a relative statistical measure of the degree to which these equity instruments tend to move together. The correlation coefficient measures the extent to which returns on Broadcom are associated (or correlated) with STMicroelectronics. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of STMicroelectronics NV ADR has no effect on the direction of Broadcom i.e., Broadcom and STMicroelectronics go up and down completely randomly.

Pair Corralation between Broadcom and STMicroelectronics

Given the investment horizon of 90 days Broadcom is expected to generate 0.6 times more return on investment than STMicroelectronics. However, Broadcom is 1.65 times less risky than STMicroelectronics. It trades about 0.34 of its potential returns per unit of risk. STMicroelectronics NV ADR is currently generating about 0.08 per unit of risk. If you would invest  19,202  in Broadcom on April 28, 2025 and sell it today you would earn a total of  9,816  from holding Broadcom or generate 51.12% return on investment over 90 days.

Time Period	3 Months [change]
Direction	Moves Together
Strength	Very Strong
Accuracy	100.0%
Values	Daily Returns

Broadcom  vs.  STMicroelectronics NV ADR

Broadcom

Risk-Adjusted Performance

Strong

Compared to the overall equity markets, risk-adjusted returns on investments in Broadcom are ranked lower than 26 (%) of all global equities and portfolios over the last 90 days. In spite of very conflicting technical and fundamental indicators, Broadcom displayed solid returns over the last few months and may actually be approaching a breakup point.

STMicroelectronics NV ADR

Risk-Adjusted Performance

Modest

Compared to the overall equity markets, risk-adjusted returns on investments in STMicroelectronics NV ADR are ranked lower than 6 (%) of all global equities and portfolios over the last 90 days. In spite of very inconsistent basic indicators, STMicroelectronics displayed solid returns over the last few months and may actually be approaching a breakup point.

Pair Trading with Broadcom and STMicroelectronics

The main advantage of trading using opposite Broadcom and STMicroelectronics positions is that it hedges away some unsystematic risk. Because of two separate transactions, even if Broadcom position performs unexpectedly, STMicroelectronics can make up some of the losses. Pair trading also minimizes risk from directional movements in the market. For example, if an entire industry or sector drops because of unexpected headlines, the short position in STMicroelectronics will offset losses from the drop in STMicroelectronics' long position.

The idea behind Broadcom and STMicroelectronics NV ADR pairs trading is to make the combined position market-neutral, meaning the overall market's direction will not affect its win or loss (or potential downside or upside). This can be achieved by designing a pairs trade with two highly correlated stocks or equities that operate in a similar space or sector, making it possible to obtain profits through simple and relatively low-risk investment.

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Note that this page's information should be used as a complementary analysis to find the right mix of equity instruments to add to your existing portfolios or create a brand new portfolio. You can also try the Equity Search module to search for actively traded equities including funds and ETFs from over 30 global markets.