48 month CD rates at Astoria Savings Bank have a new lower rate. The new 48 month interest rate is 1.29 percent with a yield of 1.30 percent. The old 48 month rate was 1.49 percent with a yield of 1.50 percent. To see a history of rate changes to this 4 year certificate of deposit go to Astoria Savings Bank 48 Month CD Rate.