Alpha and beta are measures used by investors to classify the performance and risk of an investment security or portfolio. Beta is a measure of market risk, and alpha expresses whether the returns of ...

Daniel McNulty began writing for Investopedia in 2012. His work includes articles on financial analysis, asset allocation, and trading strategies. Dr. JeFreda R. Brown is a financial consultant, ...

Jesse Emspak has 20+ years of experience as journalistic entrepreneur and 10 years of financial services reporting on Wall Street. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced ...