Credit Cards · Tools · Glossary · M-terms · Monthly periodic rate

Credit Card Glossary: Terms and Definitions

Confused by credit card terms?'s glossary of credit card definitions will help. From account holder to Regulation Z, we have defined the most-common and most-confusing credit card terms.

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Monthly periodic rate

The monthly periodic rate is part of the formula used in computing consumers' credit card bills. It is multiplied by the amount of a cardholder's outstanding credit card balances to come up with the interest rate charge for a billing cycle.