How much does Bank of Communications earn with a current surplus of 1, a day? How to calculate? Bank of Communications demand surplus is a kind of financial management belonging to Bank of Communications, which is similar to demand surplus and has good flexibility. So how much does Bank of Communications earn from demand surplus of 1, a day? How to calculate? I have prepared relevant contents for your reference. At present, the expected 7-day annualized rate of return of the current earnings of Bank of Communications is, but it should be noted that the 7-day annualized rate of return will change every day, so I will explain it to you by way of examples. For example, suppose an investor buys the current earnings of 1 yuan in Bank of Communications, and the expected 7-day annualized rate of return of the current earnings is one year at the time of purchase, then the calculation formula of the earned earnings is as follows: < /p > The current earnings of Bank of Communications can earn 1, * yuan when buying 1 yuan. < /p > Generally speaking, the income from bank current account is assumed to be the current interest of 1 yuan for one year, so the money earned is: 1, * yuan, and the interest earned is relatively small. It is only said that the current account deposit in the bank is capital preservation and interest preservation, while the current account surplus is wealth management, which is risky, so we should pay attention to this. < /p > In addition, Bank of Communications' demand surplus also supports credit card repayment, online banking, Alipay and WeChat payment, transfer remittance, pos card swiping, ATM/ counter withdrawal, funds, wealth management and other products, so it is very convenient to put money into it. < /p > Secondly, it should be noted that this does not represent the actual income, but is explained by way of example. If the purchase amount is different or the expected annualized rate of return for seven days is different, the income earned will be different.