Correlation Between Delta Air and Air Transport

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

By analyzing existing cross correlation between Delta Air Lines and Air Transport Services, you can compare the effects of market volatilities on Delta Air and Air Transport 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 Delta Air with a short position of Air Transport. Check out your portfolio center. Please also check ongoing floating volatility patterns of Delta Air and Air Transport.

Diversification Opportunities for Delta Air and Air Transport

0.81

Correlation Coefficient

Delta Air  Air Transport

Very poor diversification

The 3 months correlation between Delta and Air is 0.81. Overlapping area represents the amount of risk that can be diversified away by holding Delta Air Lines and Air Transport Services in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on Air Transport Services and Delta Air 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 Delta Air Lines are associated (or correlated) with Air Transport. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Air Transport Services has no effect on the direction of Delta Air i.e., Delta Air and Air Transport go up and down completely randomly.

Pair Corralation between Delta Air and Air Transport

Assuming the 90 days horizon Delta Air Lines is expected to under-perform the Air Transport. In addition to that, Delta Air is 4.74 times more volatile than Air Transport Services. It trades about -0.18 of its total potential returns per unit of risk. Air Transport Services is currently generating about -0.05 per unit of volatility. If you would invest  2,100  in Air Transport Services on December 19, 2024 and sell it today you would lose (40.00) from holding Air Transport Services or give up 1.9% of portfolio value over 90 days.

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

Delta Air Lines  vs.  Air Transport Services

Delta Air Lines

Risk-Adjusted Performance

Very Weak

Over the last 90 days Delta Air Lines 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.

Air Transport Services

Risk-Adjusted Performance

Very Weak

Over the last 90 days Air Transport Services has generated negative risk-adjusted returns adding no value to investors with long positions. Despite nearly stable basic indicators, Air Transport is not utilizing all of its potentials. The latest stock price disturbance, may contribute to mid-run losses for the stockholders.

Pair Trading with Delta Air and Air Transport

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

The idea behind Delta Air Lines and Air Transport Services 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 Watchlist Optimization module to optimize watchlists to build efficient portfolios or rebalance existing positions based on the mean-variance optimization algorithm.