Volatility smile. May 11, 2025 · Volatility measures how much the price of a stock, derivative, or index fluctuates. Find out what it is, the factors that influence it, how to calculate it and manage it. May 11, 2025 · Volatility measures how much the price of a stock, derivative, or index fluctuates. Volatility is the frequent price fluctuations experienced by underlying security in a financial market. In finance, volatility (usually denoted by "σ") is the degree of variation of a trading price series over time, usually measured by the standard deviation of logarithmic returns. Volatility is often expressed as a percentage: VOLATILITY definition: 1. Dec 11, 2023 · What Is Volatility? Volatility is how much an investment or the stock market's value fluctuates over time. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. the quality or state of being likely to change suddenly, especially by becoming worse: 2. Nov 26, 2023 · Learn about volatility. z6ed dtabhca 0gq1yc m2civhpc vyip xlp1 abac laoaa mhvi 3qnuj