Yield refers to the earnings generated and realized on an investment over a particular period of time, and is expressed in terms of percentage based on the invested amount or on the current market value or on the face value of the security. It includes the interest earned or dividends received from holding a particular security. Depending on the nature and valuation (fixed/fluctuating) of the security, yields may be classified as known or anticipated—Read more at Investopedia. Chen, James. “Yield.” 24 February 2019