A credit card variable interest rate is a variable APR on credit cards that moves up or down depending on the prime rate (also known as index). The prime rate itself goes up and down with changes in the federal funds rate set quarterly by the Fed.
A credit card variable interest rate is a variable APR on credit cards that moves up or down depending on the prime rate (also known as index). The prime rate itself goes up and down with changes in the federal funds rate set quarterly by the Fed.