1, the red circle indicates that the transaction is inconsistent with your consumption habits or trading patterns, or is different from the account history. This is because the credit card information is stolen or risky. In order to protect the security of the account, the bank marked the transaction.

2. The red circle also indicates that there are certain risks in this transaction. It should be noted that this is because this merchant or transaction involves some high-risk industries or activities, and the bank marked this transaction in order to remind people of the risks.