Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Learn how using historical data, instead of standard deviation, offers a more accurate assessment of stock volatility and ...

Volatility refers to the extent of price fluctuations for a given asset or market. Historically, volatility has been inversely correlated with the stock market. When stock markets rally, volatility ...