Credit card reserve is a demand deposit, which bears interest according to the deposit interest rate, and the interest method is product method.

The interest settlement date of the business card account is 20th at the end of each quarter, and the interest settlement date of the personal card account is 30th of June each year.

2. Calculation of credit card deposit interest

It is a time deposit in nature, and the interest is calculated separately. The calculation method is as follows:

Margin deposit interest = deposit amount × deposit term × monthly interest rate

If the cardholder requests to terminate the credit card and cancel the account in advance, the interest calculation formula is:

Interest = principal × days× monthly interest rate ÷30

Among them, the monthly interest rate is implemented according to the actual deposit interest rate of the same grade.

3. Calculation of credit card overdraft interest

Credit card overdrafts are compounded monthly, and quasi-credit card overdrafts are charged monthly interest. The overdraft interest rate is 0.5 ‰ of the daily interest rate. The specific calculation method is the product interest method, which is the same as the calculation of reserve fund.