Correlation Between Taiwan Semiconductor and STMicroelectronics

Can any of the company-specific risk be diversified away by investing in both Taiwan Semiconductor 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 Taiwan Semiconductor and STMicroelectronics into the same portfolio, which is an essential part of the fundamental portfolio management process.

By analyzing existing cross correlation between Taiwan Semiconductor Manufacturing and STMicroelectronics NV, you can compare the effects of market volatilities on Taiwan Semiconductor 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 Taiwan Semiconductor with a short position of STMicroelectronics. Check out your portfolio center. Please also check ongoing floating volatility patterns of Taiwan Semiconductor and STMicroelectronics.

Diversification Opportunities for Taiwan Semiconductor and STMicroelectronics

0.06

Correlation Coefficient

Taiwan Semiconductor  STMicroelectronics

Significant diversification

The 3 months correlation between Taiwan and STMicroelectronics is 0.06. Overlapping area represents the amount of risk that can be diversified away by holding Taiwan Semiconductor Manufactu and STMicroelectronics NV in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on STMicroelectronics and Taiwan Semiconductor 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 Taiwan Semiconductor Manufacturing 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 has no effect on the direction of Taiwan Semiconductor i.e., Taiwan Semiconductor and STMicroelectronics go up and down completely randomly.

Pair Corralation between Taiwan Semiconductor and STMicroelectronics

Assuming the 90 days trading horizon Taiwan Semiconductor Manufacturing is expected to generate 0.55 times more return on investment than STMicroelectronics. However, Taiwan Semiconductor Manufacturing is 1.83 times less risky than STMicroelectronics. It trades about 0.13 of its potential returns per unit of risk. STMicroelectronics NV is currently generating about 0.04 per unit of risk. If you would invest  17,180  in Taiwan Semiconductor Manufacturing on May 26, 2025 and sell it today you would earn a total of  2,800  from holding Taiwan Semiconductor Manufacturing or generate 16.3% return on investment over 90 days.

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

Taiwan Semiconductor Manufactu  vs.  STMicroelectronics NV

Taiwan Semiconductor

Risk-Adjusted Performance

Fair

Compared to the overall equity markets, risk-adjusted returns on investments in Taiwan Semiconductor Manufacturing are ranked lower than 10 (%) of all global equities and portfolios over the last 90 days. Despite nearly uncertain technical and fundamental indicators, Taiwan Semiconductor reported solid returns over the last few months and may actually be approaching a breakup point.

STMicroelectronics

Risk-Adjusted Performance

Soft

Compared to the overall equity markets, risk-adjusted returns on investments in STMicroelectronics NV are ranked lower than 3 (%) of all global equities and portfolios over the last 90 days. Despite nearly fragile basic indicators, STMicroelectronics may actually be approaching a critical reversion point that can send shares even higher in September 2025.

Pair Trading with Taiwan Semiconductor and STMicroelectronics

The main advantage of trading using opposite Taiwan Semiconductor and STMicroelectronics positions is that it hedges away some unsystematic risk. Because of two separate transactions, even if Taiwan Semiconductor 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 Taiwan Semiconductor Manufacturing and STMicroelectronics NV 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.

Check out your portfolio center.

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.