Correlation Between Erawan and Airports

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

By analyzing existing cross correlation between The Erawan Group and Airports of Thailand, you can compare the effects of market volatilities on Erawan and Airports 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 Erawan with a short position of Airports. Check out your portfolio center. Please also check ongoing floating volatility patterns of Erawan and Airports.

Diversification Opportunities for Erawan and Airports

0.71

Correlation Coefficient

Erawan  Airports

Poor diversification

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

Pair Corralation between Erawan and Airports

Assuming the 90 days trading horizon The Erawan Group is expected to generate 0.87 times more return on investment than Airports. However, The Erawan Group is 1.15 times less risky than Airports. It trades about -0.19 of its potential returns per unit of risk. Airports of Thailand is currently generating about -0.26 per unit of risk. If you would invest  374.00  in The Erawan Group on December 2, 2024 and sell it today you would lose (68.00) from holding The Erawan Group or give up 18.18% of portfolio value over 90 days.

Time Period	3 Months [change]
Direction	Moves Together
Strength	Significant
Accuracy	76.19%
Values	Daily Returns

The Erawan Group  vs.  Airports of Thailand

Erawan Group

Risk-Adjusted Performance

Very Weak

Over the last 90 days The Erawan Group has generated negative risk-adjusted returns adding no value to investors with long positions. Despite weak performance in the last few months, the Stock's basic indicators remain quite persistent which may send shares a bit higher in April 2025. The latest mess may also be a sign of long-standing up-swing for the company institutional investors.

Airports of Thailand

Risk-Adjusted Performance

Very Weak

Over the last 90 days Airports of Thailand has generated negative risk-adjusted returns adding no value to investors with long positions. Despite weak performance in the last few months, the Stock's fundamental drivers remain somewhat strong which may send shares a bit higher in April 2025. The current disturbance may also be a sign of long term up-swing for the company investors.

Pair Trading with Erawan and Airports

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

The idea behind The Erawan Group and Airports of Thailand 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 Performance Analysis module to check effects of mean-variance optimization against your current asset allocation.