The 5 year IRA CD rate at Discover Bank has a new lower rate at 1.98 percent with an APY of 2.00 percent. The old Discover Bank 5 year IRA CD rate was 2.18 percent with a yield of 2.20 percent. View a history of interest rate changes to this 60 month IRA certificate of deposit at Discover Bank by going to Discover Bank 5 Year IRA CD Account.