Jumbo CD Rates The best way to understand Jumbo CD rates is to first understand Jumbo CDs. A jumbo CD is very much like your regular CD, only that its just that; its jumbo – it’s a big CD. Regular CDs are typically much smaller, but Jumbo CDs start at $100,000. They are a much bigger investment and are designed to allow you to earn more interest. If you know how to manage your Jumbo CD, [...]