Our Clean Energy CDs are similar to U.S. Treasury Bills or municipal bonds in that they're low-risk, income-generating investments; however, Clean Energy. counterparty credit risk central credit register. CCyB. countercyclical capital buffer. CD. certificate of deposit. CDD. customer due diligence. Transparent pricing and low costs. Why should I bank with Schwab Bank? Investing in stocks can be volatile and involves risk, including loss of.