Western Alliance Bank: 3-Month High-Yield CD - 5.51% APY.Here's our list of the best high-yield CDs for every need. You may prefer flexibility or have a specific term in mind. The right CD for you depends on your goals. If you're not sure about committing your money, then look for a bank that offers a No Penalty CD. The longer the term, the heavier the penalty. The amount is usually a few months of interest, depending on your term length. If you withdraw a CD before maturity, you will be penalized.