Without price volatility, there is no market -- i.e., prices are static. Volatility is a key characteristic of asset markets (stocks, bonds, commodities, etc), and even more so of derivatives markets ...

Volatility is important for position sizing, determining risk, calculating stops and profit-targets, and rebalancing portfolios. Average true range is a useful measure for position sizing in futures ...

CVI is an algorithm for constructing implied volatility surfaces that is framed as a convex optimisation problem. As such, it is suitable to be processed by modern optimisation solvers like CVXPY, ...

David Harper is the CEO and founder of Bionic Turtle. He is also a published author with a popular YouTube channel on expert finance topics. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an ...

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, ...

The Nasdaq-100 is a very different index than the S&P500. It is technology dominant, excludes financials by design, and is historically underweight in many of the old economy stocks in the energy and ...

Each month, I provide an update to my four dividend growth model portfolios that includes portfolio beta and other volatility-adjusted metrics, such as the Sharpe Ratio. Recently, I was asked by a few ...

Volatility influences options prices because dramatic price swings amplify gains and losses. While traders can’t look at a crystal ball to see how much volatility the market will endure, implied ...