Options Volatility

The concept of volatility is one of the most important in trading. The basis of volatility provides traders with insight into how much a stock should be expected to gain (or lose0 in a certain period of time. The importance of understanding options volatility is that it allows traders to determine whether an option will expire in the money or not. Underlying instruments all have facts based on history and performance. Understanding options volatility allows traders insight into the price of an option and whether it is affordable or not based on the past facts. Implied volatility and historical volatility are two of the types of options volatility that traders should be aware of.

Options Volatility Defined

Options volatility is based on the market. The historical volatility is calculated in order to provide traders with an idea of how quickly price changes have been over a set period of time. Generally, traders use the standard deviation to determine options historical volatility. When the deviation is high it’s because the data was more disperse and traders consider this highly volatile. Options volatitly is important because when the price movements are considerable and occur frequently then this means the instrument is highly volatile. On the other hand, historical volatility that shows the instrument to be predictable in price movements are considered to be low volatile. Being able to calculate the difference between highly volatile instruments and low volatile instruments is important for traders to be successful and make smart investment choices. Focusing on the history of past instruments traders are better equipped to predict the future. In general, assets that are highly volatile will experience major price changes whereas those that don’t wont.

Determining Options Volatility

Implied volatility is determined with a pricing model and the goal is determine the future volatility of a particular instrument. Using historical volatility to see how an instrument performed in the past and implied volatility to predict how it will perform in the future gives traders a basis for making trading decisions.

Options Volatility and Trading

Using the theoretical fair value of the option and comparing it to the options’ market price allows traders to determine if the implied volatility of an instrument is high or low. Because of this the option pricing model is important since it allows for the ultimate determination of whether or not an option’s market price is undervalued or overvalued. When the market price is calculated to be higher than the theoretical value, using historical volatility, then the option will be viewed as expensive. When the opposite is true the option is considered a great deal and traders will rush to make trades.