Correlation Between PTT Global and Ratchaphruek Hospital

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

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

Diversification Opportunities for PTT Global and Ratchaphruek Hospital

-0.56

Correlation Coefficient

PTT Global  Ratchaphruek Hospital

Excellent diversification

The 3 months correlation between PTT and Ratchaphruek is -0.56. Overlapping area represents the amount of risk that can be diversified away by holding PTT Global Chemical and Ratchaphruek Hospital Public in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on Ratchaphruek Hospital and PTT Global 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 Global Chemical are associated (or correlated) with Ratchaphruek Hospital. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Ratchaphruek Hospital has no effect on the direction of PTT Global i.e., PTT Global and Ratchaphruek Hospital go up and down completely randomly.

Pair Corralation between PTT Global and Ratchaphruek Hospital

Assuming the 90 days trading horizon PTT Global Chemical is expected to generate 2.93 times more return on investment than Ratchaphruek Hospital. However, PTT Global is 2.93 times more volatile than Ratchaphruek Hospital Public. It trades about 0.13 of its potential returns per unit of risk. Ratchaphruek Hospital Public is currently generating about -0.09 per unit of risk. If you would invest  1,770  in PTT Global Chemical on April 25, 2025 and sell it today you would earn a total of  400.00  from holding PTT Global Chemical or generate 22.6% return on investment over 90 days.

Time Period	3 Months [change]
Direction	Moves Against
Strength	Very Weak
Accuracy	100.0%
Values	Daily Returns

PTT Global Chemical  vs.  Ratchaphruek Hospital Public

PTT Global Chemical

Risk-Adjusted Performance

OK

Compared to the overall equity markets, risk-adjusted returns on investments in PTT Global Chemical are ranked lower than 10 (%) of all global equities and portfolios over the last 90 days. Despite somewhat conflicting fundamental drivers, PTT Global sustained solid returns over the last few months and may actually be approaching a breakup point.

Ratchaphruek Hospital

Risk-Adjusted Performance

Very Weak

Over the last 90 days Ratchaphruek Hospital Public has generated negative risk-adjusted returns adding no value to investors with long positions. Despite latest conflicting performance, the Stock's technical indicators remain persistent and the latest mess on Wall Street may also be a sign of long-standing gains for the company institutional investors.

Pair Trading with PTT Global and Ratchaphruek Hospital

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

The idea behind PTT Global Chemical and Ratchaphruek Hospital Public 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 Suggestion module to get suggestions outside of your existing asset allocation including your own model portfolios.