The 1 year CD rate at Capital One Bank has a new lower rate. The new 1 year CD interest rate is 0.75 percent with a yield of 0.75 percent. The old 1 year CD rate was 1.00 percent with a yield of 1.00 percent. To see how many times the rate was changed on Capital One 360's 1 year certificate of deposit rate go to Capital One 360 1 Year CD Rate.