# Implied volatility

- The expected volatility in a stock's return derived from its option price, maturity date, exercise price, and riskless rate of return, using an option-pricing model such as Black/Scholes.
__The New York Times Financial Glossary__* * *

The volatility implied in the price of an option. It is a measure of how much the market thinks prices will move given a known option price. It indicates the size, but not the direction, of the movement expected. Volatility is expressed as an annualized percentage.►*See also*Volatility.

*Financial and business terms.
2012.*

### Look at other dictionaries:

**implied volatility**— Volatility of a financial instrument that is imputed by subtracting all of the other factors thought to contribute to the price of an option. The amount remaining after those subtractions is attributed to volatility. Implied volatility is not the … Financial and business terms**Implied volatility**— In financial mathematics, the implied volatility of an option contract is the volatility implied by the market price of the option based on an option pricing model. In other words, it is the volatility that, given a particular pricing model,… … Wikipedia**Implied Volatility - IV**— The estimated volatility of a security s price. In general, implied volatility increases when the market is bearish and decreases when the market is bullish. This is due to the common belief that bearish markets are more risky than bullish… … Investment dictionary**IMPLIED VOLATILITY**— Прогноз рынка будущих непостоянных уровней … Малая энциклопедия трейдера: глоссарий к книге**Implied Volatility**— Not yet defined … International financial encyclopaedia**Volatility arbitrage**— (or vol arb) is a type of statistical arbitrage that is implemented by trading a delta neutral portfolio of an option and its underlier. The objective is to take advantage of differences between the implied volatility of the option, and a… … Wikipedia**Volatility (finance)**— Volatility most frequently refers to the standard deviation of the continuously compounded returns of a financial instrument with a specific time horizon. It is often used to quantify the risk of the instrument over that time period. Volatility… … Wikipedia**Volatility smile**— In finance, the volatility smile is a long observed pattern in which at the money options tend to have lower implied volatilities than in or out of the money options. The pattern displays different characteristics for different markets and… … Wikipedia**volatility**— A measurement of the change in price over a given period. It is often expressed as a percentage and computed as the annualized standard deviation of the percentage change in daily price. Chicago Board of Trade glossary The rate of change in a… … Financial and business terms**Volatility Arbitrage**— Trading strategies that attempt to exploit differences between the forecasted future volatility of an asset and the implied volatility of options based on that asset. Because options pricing is determined by the volatility of the underlying asset … Investment dictionary