Correlation Between Bank of China and BYD Co

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

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

Diversification Opportunities for Bank of China and BYD Co

-0.77

Correlation Coefficient

Bank of China  BYD Co

Pay attention - limited upside

The 3 months correlation between Bank and BYD is -0.77. Overlapping area represents the amount of risk that can be diversified away by holding Bank of China and BYD Co Ltd in the same portfolio, assuming nothing else is changed. The correlation between historical prices or returns on BYD Co and Bank of China 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 Bank of China are associated (or correlated) with BYD Co. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of BYD Co has no effect on the direction of Bank of China i.e., Bank of China and BYD Co go up and down completely randomly.

Pair Corralation between Bank of China and BYD Co

Assuming the 90 days trading horizon Bank of China is expected to under-perform the BYD Co. But the stock apears to be less risky and, when comparing its historical volatility, Bank of China is 1.63 times less risky than BYD Co. The stock trades about -0.04 of its potential returns per unit of risk. The BYD Co Ltd is currently generating about 0.06 of returns per unit of risk over similar time horizon. If you would invest  9,653  in BYD Co Ltd on October 7, 2025 and sell it today you would earn a total of  158.00  from holding BYD Co Ltd or generate 1.64% return on investment over 90 days.

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

Bank of China  vs.  BYD Co Ltd

Bank of China

Risk-Adjusted Performance

Fair

Compared to the overall equity markets, risk-adjusted returns on investments in Bank of China are ranked lower than 8 (%) of all global equities and portfolios over the last 90 days. Despite somewhat weak basic indicators, Bank of China may actually be approaching a critical reversion point that can send shares even higher in February 2026.

BYD Co

Risk-Adjusted Performance

Weakest

Over the last 90 days BYD Co Ltd 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.

Pair Trading with Bank of China and BYD Co

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

The idea behind Bank of China and BYD Co Ltd 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 Top Crypto Exchanges module to search and analyze digital assets across top global cryptocurrency exchanges.