Correlation Between China Railway and Postal Savings

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

By analyzing existing cross correlation between China Railway Construction and Postal Savings Bank, you can compare the effects of market volatilities on China Railway and Postal Savings 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 Postal Savings. Check out your portfolio center. Please also check ongoing floating volatility patterns of China Railway and Postal Savings.

Diversification Opportunities for China Railway and Postal Savings

0.38

Correlation Coefficient

China Railway  Postal Savings

Weak diversification

The 3 months correlation between China and Postal is 0.38. Overlapping area represents the amount of risk that can be diversified away by holding China Railway Construction and Postal Savings Bank in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on Postal Savings Bank 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 Construction are associated (or correlated) with Postal Savings. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of Postal Savings Bank has no effect on the direction of China Railway i.e., China Railway and Postal Savings go up and down completely randomly.

Pair Corralation between China Railway and Postal Savings

Assuming the 90 days trading horizon China Railway Construction is expected to under-perform the Postal Savings. But the stock apears to be less risky and, when comparing its historical volatility, China Railway Construction is 1.11 times less risky than Postal Savings. The stock trades about -0.16 of its potential returns per unit of risk. The Postal Savings Bank is currently generating about 0.0 of returns per unit of risk over similar time horizon. If you would invest  531.00  in Postal Savings Bank on November 28, 2024 and sell it today you would lose (5.00) from holding Postal Savings Bank or give up 0.94% of portfolio value over 90 days.

Time Period	3 Months [change]
Direction	Moves Together
Strength	Very Weak
Accuracy	98.28%
Values	Daily Returns

China Railway Construction  vs.  Postal Savings Bank

China Railway Constr

Risk-Adjusted Performance

Very Weak

Over the last 90 days China Railway Construction 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 basic indicators remain somewhat strong which may send shares a bit higher in March 2025. The current disturbance may also be a sign of long term up-swing for the company investors.

Postal Savings Bank

Risk-Adjusted Performance

Very Weak

Over the last 90 days Postal Savings Bank has generated negative risk-adjusted returns adding no value to investors with long positions. Despite somewhat strong basic indicators, Postal Savings 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 Postal Savings

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

The idea behind China Railway Construction and Postal Savings Bank 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 Manager module to state of the art Portfolio Manager to monitor and improve performance of your invested capital.