Learn about the volatility ratio indicator's meaning, calculation method, and its significance for traders. Find out how this tool identifies breakout signals effectively.

When trading stocks or stock options, there are certain indicators you may use to track price momentum. Implied volatility, which measures how likely a security’s price is to change, can be useful for ...

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, ...

Volatility is a term used to refer to the variation in a trading price over time. The broader the scope of the price variation, the higher the volatility is considered to be. For example, a security ...

Ever since the seminal contributions of Bruno Dupire (1994) and Emanuel Derman and Iraj Kani (1994), who independently developed a discrete-time binomial tree version of the same result, it has been ...

The crypto world's hallmark is its notorious volatility, where prices can wildly swing in short timeframes. For traders, not just navigating but capitalizing on this volatility is a linchpin of ...

After Black Monday in 1987, options implied volatilities started to display a ‘smile’ in relation to different strike prices, which models at the time could not capture. In 1994, two solutions were ...