Correlation Between Silicon Motion and Hitachi

Can any of the company-specific risk be diversified away by investing in both Silicon Motion and Hitachi 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 Hitachi 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 Hitachi, you can compare the effects of market volatilities on Silicon Motion and Hitachi 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 Hitachi. Check out your portfolio center. Please also check ongoing floating volatility patterns of Silicon Motion and Hitachi.

Diversification Opportunities for Silicon Motion and Hitachi

0.7

Correlation Coefficient

Silicon Motion  Hitachi

Poor diversification

The 3 months correlation between Silicon and Hitachi is 0.7. Overlapping area represents the amount of risk that can be diversified away by holding Silicon Motion Technology and Hitachi in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on Hitachi 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 Hitachi. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Hitachi has no effect on the direction of Silicon Motion i.e., Silicon Motion and Hitachi go up and down completely randomly.

Pair Corralation between Silicon Motion and Hitachi

Assuming the 90 days trading horizon Silicon Motion Technology is expected to generate 1.04 times more return on investment than Hitachi. However, Silicon Motion is 1.04 times more volatile than Hitachi. It trades about 0.36 of its potential returns per unit of risk. Hitachi is currently generating about 0.09 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	98.44%
Values	Daily Returns

Silicon Motion Technology  vs.  Hitachi

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.

Hitachi

Risk-Adjusted Performance

OK

Compared to the overall equity markets, risk-adjusted returns on investments in Hitachi are ranked lower than 7 (%) of all global equities and portfolios over the last 90 days. Despite nearly fragile basic indicators, Hitachi reported solid returns over the last few months and may actually be approaching a breakup point.

Pair Trading with Silicon Motion and Hitachi

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

The idea behind Silicon Motion Technology and Hitachi 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 Comparator module to compare the composition, asset allocations and performance of any two portfolios in your account.