Correlation Between China Railway and China Mobile

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

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

Diversification Opportunities for China Railway and China Mobile

-0.3

Correlation Coefficient

China Railway  China Mobile

Very good diversification

The 3 months correlation between China and China is -0.3. Overlapping area represents the amount of risk that can be diversified away by holding China Railway Group and China Mobile Limited in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on China Mobile Limited and China Railway 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 China Railway Group are associated (or correlated) with China Mobile. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of China Mobile Limited has no effect on the direction of China Railway i.e., China Railway and China Mobile go up and down completely randomly.

Pair Corralation between China Railway and China Mobile

Assuming the 90 days trading horizon China Railway Group is expected to under-perform the China Mobile. In addition to that, China Railway is 1.36 times more volatile than China Mobile Limited. It trades about -0.01 of its total potential returns per unit of risk. China Mobile Limited is currently generating about 0.03 per unit of volatility. If you would invest  9,458  in China Mobile Limited on November 27, 2024 and sell it today you would earn a total of  1,689  from holding China Mobile Limited or generate 17.86% return on investment over 90 days.

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

China Railway Group  vs.  China Mobile Limited

China Railway Group

Risk-Adjusted Performance

Very Weak

Over the last 90 days China Railway Group has generated negative risk-adjusted returns adding no value to investors with long positions. Despite latest weak performance, the Stock's basic indicators remain strong and the current disturbance on Wall Street may also be a sign of long term gains for the company investors.

China Mobile Limited

Risk-Adjusted Performance

OK

Compared to the overall equity markets, risk-adjusted returns on investments in China Mobile Limited are ranked lower than 5 (%) of all global equities and portfolios over the last 90 days. Despite somewhat strong basic indicators, China Mobile is not utilizing all of its potentials. The current stock price disturbance, may contribute to short-term losses for the investors.

Pair Trading with China Railway and China Mobile

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

The idea behind China Railway Group and China Mobile Limited 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 Diagnostics module to use generated alerts and portfolio events aggregator to diagnose current holdings.