Correlation Between Martin Marietta and American Airlines

Can any of the company-specific risk be diversified away by investing in both Martin Marietta and American Airlines 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 American Airlines 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 American Airlines Group, you can compare the effects of market volatilities on Martin Marietta and American Airlines 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 American Airlines. Check out your portfolio center. Please also check ongoing floating volatility patterns of Martin Marietta and American Airlines.

Diversification Opportunities for Martin Marietta and American Airlines

0.89

Correlation Coefficient

Martin Marietta  American Airlines

Very poor diversification

The 3 months correlation between Martin and American is 0.89. Overlapping area represents the amount of risk that can be diversified away by holding Martin Marietta Materials and American Airlines Group in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on American Airlines 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 American Airlines. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of American Airlines has no effect on the direction of Martin Marietta i.e., Martin Marietta and American Airlines go up and down completely randomly.

Pair Corralation between Martin Marietta and American Airlines

Assuming the 90 days trading horizon Martin Marietta Materials is expected to generate 0.48 times more return on investment than American Airlines. However, Martin Marietta Materials is 2.07 times less risky than American Airlines. It trades about -0.15 of its potential returns per unit of risk. American Airlines Group is currently generating about -0.25 per unit of risk. If you would invest  50,960  in Martin Marietta Materials on December 24, 2024 and sell it today you would lose (6,400) from holding Martin Marietta Materials or give up 12.56% of portfolio value over 90 days.

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

Martin Marietta Materials  vs.  American Airlines Group

Martin Marietta Materials

Risk-Adjusted Performance

Very Weak

Over the last 90 days Martin Marietta Materials has generated negative risk-adjusted returns adding no value to investors with long positions. In spite of fragile performance in the last few months, the Stock's basic indicators remain comparatively stable which may send shares a bit higher in April 2025. The newest uproar may also be a sign of mid-term up-swing for the firm private investors.

American Airlines

Risk-Adjusted Performance

Very Weak

Over the last 90 days American Airlines Group has generated negative risk-adjusted returns adding no value to investors with long positions. Despite fragile performance in the last few months, the Stock's basic indicators remain nearly stable which may send shares a bit higher in April 2025. The current disturbance may also be a sign of long-run up-swing for the company stockholders.

Pair Trading with Martin Marietta and American Airlines

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

The idea behind Martin Marietta Materials and American Airlines Group 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 Volatility module to check portfolio volatility and analyze historical return density to properly model market risk.