There is a new higher 6 month CD rate at MyCBB. The new 6 month CD interest rate is 0.86 percent with a yield of 0.86 percent. The old 6 month CD rate and yield was 0.85 percent. This 6 month rate is better than many 1 year CD rates offered by other banks. This interest rate on this 6 month certificate of deposit has changed before, see all changes at MyCBB 6 Month CD Rates.