Correlation Between PTT Public and Airports

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

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

Diversification Opportunities for PTT Public and Airports

-0.41

Correlation Coefficient

PTT Public  Airports

Very good diversification

The 3 months correlation between PTT and Airports is -0.41. Overlapping area represents the amount of risk that can be diversified away by holding PTT Public 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 PTT Public 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 PTT Public 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 PTT Public i.e., PTT Public and Airports go up and down completely randomly.

Pair Corralation between PTT Public and Airports

Assuming the 90 days trading horizon PTT Public is expected to generate 119.88 times less return on investment than Airports. But when comparing it to its historical volatility, PTT Public is 59.48 times less risky than Airports. It trades about 0.03 of its potential returns per unit of risk. Airports of Thailand is currently generating about 0.06 of returns per unit of risk over similar time horizon. If you would invest  6,979  in Airports of Thailand on December 2, 2024 and sell it today you would lose (2,279) from holding Airports of Thailand or give up 32.66% of portfolio value over 90 days.

Time Period	3 Months [change]
Direction	Moves Against
Strength	Very Weak
Accuracy	97.71%
Values	Daily Returns

PTT Public  vs.  Airports of Thailand

PTT Public

Risk-Adjusted Performance

Very Weak

Over the last 90 days PTT Public has generated negative risk-adjusted returns adding no value to investors with long positions. Despite quite persistent basic indicators, PTT Public is not utilizing all of its potentials. The latest stock price mess, may contribute to short-term losses for the 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 PTT Public and Airports

The main advantage of trading using opposite PTT Public and Airports positions is that it hedges away some unsystematic risk. Because of two separate transactions, even if PTT Public 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 PTT Public 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.

Check out your portfolio center.

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 Comparator module to compare the composition, asset allocations and performance of any two portfolios in your account.