Rate Alert - 30 month CD rates at 5 Star Bank have a new lower rate. The new lower rate is 1.29 percent with a yield of 1.30 percent. The old 30 month CD rate was 1.44 percent with a yield of 1.45 percent. The interest rate has changed many times on this 2.5 year certificate of deposit at 5 Star Bank. View all rate changes here 5 Star Bank 30 Month CD Rates. (continued below)