The typical credit card rate formula is the Prime Rate plus a profit margin set by the card issuer. On average, this margin often runs between 12 and 13 percent. The Prime Rate is currently 7.5 ...

In a move that many Americans have been anticipating over the last couple ... Typically, however, credit cardholders' interest rates are above the prime rate. "Most credit card issuers add several ...

Most credit cards have a variable rate, which means there's a direct connection to the Federal Reserve's benchmark. And yet, ...