Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. Thomas J. Brock is a CFA and CPA with more than 20 ...
If your credit card has a variable APR, expect it to fluctuate for a variety of reasons. For example, if you miss a payment or your credit score has dropped, the card issuer may raise your APR. But ...