Correlation Between Silicon Motion and PTT Global

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

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

Diversification Opportunities for Silicon Motion and PTT Global

0.78

Correlation Coefficient

Silicon Motion  PTT Global

Poor diversification

The 3 months correlation between Silicon and PTT is 0.78. Overlapping area represents the amount of risk that can be diversified away by holding Silicon Motion Technology and PTT Global Chemical in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on PTT Global Chemical and Silicon Motion 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 Silicon Motion Technology are associated (or correlated) with PTT Global. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of PTT Global Chemical has no effect on the direction of Silicon Motion i.e., Silicon Motion and PTT Global go up and down completely randomly.

Pair Corralation between Silicon Motion and PTT Global

Assuming the 90 days trading horizon Silicon Motion Technology is expected to generate 0.77 times more return on investment than PTT Global. However, Silicon Motion Technology is 1.3 times less risky than PTT Global. It trades about 0.36 of its potential returns per unit of risk. PTT Global Chemical is currently generating about 0.13 per unit of risk. If you would invest  3,585  in Silicon Motion Technology on April 23, 2025 and sell it today you would earn a total of  2,765  from holding Silicon Motion Technology or generate 77.13% return on investment over 90 days.

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

Silicon Motion Technology  vs.  PTT Global Chemical

Silicon Motion Technology

Risk-Adjusted Performance

Strong

Compared to the overall equity markets, risk-adjusted returns on investments in Silicon Motion Technology are ranked lower than 28 (%) of all global equities and portfolios over the last 90 days. In spite of comparatively fragile basic indicators, Silicon Motion unveiled solid returns over the last few months and may actually be approaching a breakup point.

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 9 (%) of all global equities and portfolios over the last 90 days. In spite of comparatively uncertain basic indicators, PTT Global unveiled solid returns over the last few months and may actually be approaching a breakup point.

Pair Trading with Silicon Motion and PTT Global

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

The idea behind Silicon Motion Technology and PTT Global Chemical 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 Dashboard module to portfolio dashboard that provides centralized access to all your investments.