30 month jumbo CD rates at Luana Savings Bank have a new lower rate. The new 30 month jumbo CD interest rate is 0.90 percent with a yield of 0.90 percent. The old 30 month jumbo CD rate was 1.00 percent with a yield of 1.00 percent. View a history of rate changes to this 2.5 year jumbo certificate of deposit by going to Luana Savings Bank 30 Month Jumbo CD Rates.