Correlation Between Ultra Clean and STMicroelectronics

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

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

Diversification Opportunities for Ultra Clean and STMicroelectronics

0.57

Correlation Coefficient

Ultra Clean  STMicroelectronics

Very weak diversification

The 3 months correlation between Ultra and STMicroelectronics is 0.57. Overlapping area represents the amount of risk that can be diversified away by holding Ultra Clean Holdings and STMicroelectronics NV in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on STMicroelectronics and Ultra Clean 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 Ultra Clean Holdings 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 Ultra Clean i.e., Ultra Clean and STMicroelectronics go up and down completely randomly.

Pair Corralation between Ultra Clean and STMicroelectronics

Given the investment horizon of 90 days Ultra Clean is expected to generate 1.14 times less return on investment than STMicroelectronics. But when comparing it to its historical volatility, Ultra Clean Holdings is 1.07 times less risky than STMicroelectronics. It trades about 0.04 of its potential returns per unit of risk. STMicroelectronics NV is currently generating about 0.04 of returns per unit of risk over similar time horizon. If you would invest  2,384  in STMicroelectronics NV on May 12, 2025 and sell it today you would earn a total of  114.00  from holding STMicroelectronics NV or generate 4.78% return on investment over 90 days.

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

Ultra Clean Holdings  vs.  STMicroelectronics NV

Ultra Clean Holdings

Risk-Adjusted Performance

Weak

Compared to the overall equity markets, risk-adjusted returns on investments in Ultra Clean Holdings are ranked lower than 2 (%) of all global equities and portfolios over the last 90 days. In spite of comparatively uncertain basic indicators, Ultra Clean may actually be approaching a critical reversion point that can send shares even higher in September 2025.

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 weak technical and fundamental indicators, STMicroelectronics may actually be approaching a critical reversion point that can send shares even higher in September 2025.

Pair Trading with Ultra Clean and STMicroelectronics

The main advantage of trading using opposite Ultra Clean and STMicroelectronics positions is that it hedges away some unsystematic risk. Because of two separate transactions, even if Ultra Clean 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 Ultra Clean Holdings 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 Correlation Analysis module to reduce portfolio risk simply by holding instruments which are not perfectly correlated.