In contrast, investments like stocks or bonds have very uncertain returns, including the possibility of losing value. Offers entirely predictable earnings: Because you know the exact rate you'll be earning, and the date of your maturity, you can predictably calculate how much your CD balance will be when you withdraw the funds.Pays a rate guaranteed not to change: Like standard CDs, the rate you lock in with a jumbo CD is a fixed rate offered for the full CD term, meaning the institution cannot alter the rate it has promised.But this is not always the case, so it's smart to always compare all the CD rates. May pay a higher APY than standard CDs: Banks and credit unions are sometimes willing to pay a higher rate if you are willing to deposit a much larger amount.May have a lower rate of return than other options Ranked by highest APY, then shortest term, then lowest minimumīest non-Jumbo option: West Town Bank & Trustīest non-Jumbo option: Workers Credit Union