Correlation Between GM and South32

Can any of the company-specific risk be diversified away by investing in both GM and South32 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 South32 into the same portfolio, which is an essential part of the fundamental portfolio management process.

By analyzing existing cross correlation between General Motors and South32 Limited, you can compare the effects of market volatilities on GM and South32 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 South32. Check out your portfolio center. Please also check ongoing floating volatility patterns of GM and South32.

Diversification Opportunities for GM and South32

0.71

Correlation Coefficient

GM  South32

Poor diversification

The 3 months correlation between GM and South32 is 0.71. Overlapping area represents the amount of risk that can be diversified away by holding General Motors and South32 Limited in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on South32 Limited 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 South32. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of South32 Limited has no effect on the direction of GM i.e., GM and South32 go up and down completely randomly.

Pair Corralation between GM and South32

Allowing for the 90-day total investment horizon GM is expected to generate 1.59 times less return on investment than South32. But when comparing it to its historical volatility, General Motors is 1.69 times less risky than South32. It trades about 0.12 of its potential returns per unit of risk. South32 Limited is currently generating about 0.11 of returns per unit of risk over similar time horizon. If you would invest  160.00  in South32 Limited on May 6, 2025 and sell it today you would earn a total of  40.00  from holding South32 Limited or generate 25.0% return on investment over 90 days.

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

General Motors  vs.  South32 Limited

General Motors

Risk-Adjusted Performance

OK

Compared to the overall equity markets, risk-adjusted returns on investments in General Motors are ranked lower than 9 (%) of all global equities and portfolios over the last 90 days. In spite of very fragile primary indicators, GM displayed solid returns over the last few months and may actually be approaching a breakup point.

South32 Limited

Risk-Adjusted Performance

OK

Compared to the overall equity markets, risk-adjusted returns on investments in South32 Limited are ranked lower than 8 (%) of all global equities and portfolios over the last 90 days. Despite nearly fragile essential indicators, South32 reported solid returns over the last few months and may actually be approaching a breakup point.

Pair Trading with GM and South32

The main advantage of trading using opposite GM and South32 positions is that it hedges away some unsystematic risk. Because of two separate transactions, even if GM position performs unexpectedly, South32 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 South32 will offset losses from the drop in South32's long position.

The idea behind General Motors and South32 Limited 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 Portfolio Suggestion module to get suggestions outside of your existing asset allocation including your own model portfolios.