Correlation Between GM and Community

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

By analyzing existing cross correlation between General Motors and Community Health Systems, you can compare the effects of market volatilities on GM and Community 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 GM with a short position of Community. Check out your portfolio center. Please also check ongoing floating volatility patterns of GM and Community.

Diversification Opportunities for GM and Community

-0.43

Correlation Coefficient

GM  Community

Very good diversification

The 3 months correlation between GM and Community is -0.43. Overlapping area represents the amount of risk that can be diversified away by holding General Motors and Community Health Systems in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on Community Health Systems and GM 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 General Motors are associated (or correlated) with Community. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Community Health Systems has no effect on the direction of GM i.e., GM and Community go up and down completely randomly.

Pair Corralation between GM and Community

Allowing for the 90-day total investment horizon General Motors is expected to generate 2.67 times more return on investment than Community. However, GM is 2.67 times more volatile than Community Health Systems. It trades about 0.1 of its potential returns per unit of risk. Community Health Systems is currently generating about -0.13 per unit of risk. If you would invest  4,829  in General Motors on September 2, 2024 and sell it today you would earn a total of  730.00  from holding General Motors or generate 15.12% return on investment over 90 days.

Time Period	3 Months [change]
Direction	Moves Against
Strength	Very Weak
Accuracy	95.31%
Values	Daily Returns

General Motors  vs.  Community Health Systems

General Motors

Risk-Adjusted Performance

7 of 100

OK

Compared to the overall equity markets, risk-adjusted returns on investments in General Motors are ranked lower than 7 (%) of all global equities and portfolios over the last 90 days. In spite of very weak primary indicators, GM displayed solid returns over the last few months and may actually be approaching a breakup point.

Community Health Systems

Risk-Adjusted Performance

0 of 100

Very Weak

Over the last 90 days Community Health Systems has generated negative risk-adjusted returns adding no value to investors with long positions. Despite latest weak performance, the Bond's basic indicators remain strong and the current disturbance on Wall Street may also be a sign of long term gains for Community Health Systems investors.

Pair Trading with GM and Community

The main advantage of trading using opposite GM and Community positions is that it hedges away some unsystematic risk. Because of two separate transactions, even if GM position performs unexpectedly, Community 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 Community will offset losses from the drop in Community's long position.

The idea behind General Motors and Community Health Systems 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.