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 ...

Alpha and beta are important tools for many investors when it comes to figuring out if their investments are doing well. So what are they exactly and how do they work? CNBC explains. What are alpha ...

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 ...

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, ...