Correlation Between Martin Marietta and China Medical

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

By analyzing existing cross correlation between Martin Marietta Materials and China Medical System, you can compare the effects of market volatilities on Martin Marietta and China Medical 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 Martin Marietta with a short position of China Medical. Check out your portfolio center. Please also check ongoing floating volatility patterns of Martin Marietta and China Medical.

Diversification Opportunities for Martin Marietta and China Medical

0.11

Correlation Coefficient

Martin Marietta  China Medical

Average diversification

The 3 months correlation between Martin and China is 0.11. Overlapping area represents the amount of risk that can be diversified away by holding Martin Marietta Materials and China Medical System in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on China Medical System and Martin Marietta 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 Martin Marietta Materials are associated (or correlated) with China Medical. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of China Medical System has no effect on the direction of Martin Marietta i.e., Martin Marietta and China Medical go up and down completely randomly.

Pair Corralation between Martin Marietta and China Medical

Assuming the 90 days trading horizon Martin Marietta is expected to generate 4.13 times less return on investment than China Medical. But when comparing it to its historical volatility, Martin Marietta Materials is 1.75 times less risky than China Medical. It trades about 0.1 of its potential returns per unit of risk. China Medical System is currently generating about 0.24 of returns per unit of risk over similar time horizon. If you would invest  93.00  in China Medical System on April 25, 2025 and sell it today you would earn a total of  45.00  from holding China Medical System or generate 48.39% return on investment over 90 days.

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

Martin Marietta Materials  vs.  China Medical System

Martin Marietta Materials

Risk-Adjusted Performance

OK

Compared to the overall equity markets, risk-adjusted returns on investments in Martin Marietta Materials are ranked lower than 8 (%) of all global equities and portfolios over the last 90 days. In spite of comparatively uncertain basic indicators, Martin Marietta may actually be approaching a critical reversion point that can send shares even higher in August 2025.

China Medical System

Risk-Adjusted Performance

Solid

Compared to the overall equity markets, risk-adjusted returns on investments in China Medical System are ranked lower than 19 (%) of all global equities and portfolios over the last 90 days. Despite nearly fragile basic indicators, China Medical reported solid returns over the last few months and may actually be approaching a breakup point.

Pair Trading with Martin Marietta and China Medical

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

The idea behind Martin Marietta Materials and China Medical System 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 Global Markets Map module to get a quick overview of global market snapshot using zoomable world map. Drill down to check world indexes.