Numerous online banks, credit unions, and competitive financial institutions periodically offer certificate of deposit yields around or exceeding 4 percent annual percentage yield, depending heavily on prevailing monetary policy and Federal Reserve interest rate environments. Online-only banks and digital neo-banks frequently lead the market with high-yield promotional CD terms ranging from three months to one year to attract consumer deposits. Because deposit rates shift frequently in response to macroeconomic changes, savers should consult current online rate-comparison tools to identify institutions offering the highest yields at any given time.