Interest on all PNC Bank Fixed Rate CDs is compounded monthly and credited to your account monthly. Yet there are other online banks that pay substantially higher rates with lower opening deposit requirements. Overview of PNC Bank CDsįixed Rate CDs at PNC Bank require an opening deposit of $1,000, which is comparable to opening balance requirements from other large national banks. With an opening balance of $25,000 or more, the rate on all nonpromotional CD terms increases to 0.03%.