Hello, Shanghai Pudong Development Bank credit card has a three-day repayment grace period. The repayment grace period is generally three days after the last repayment date of the credit card. This means that a Shanghai Pudong Development Bank credit card can be overdue for up to three days without adversely affecting the user's credit report. If the user fails to repay after the repayment grace period, it will be regarded as overdue repayment, which will have a negative impact on the credit report.