The relative rate at which the price of a security moves up and down. Volatility is found by calculating the annualized standard deviation of daily change in price. If the price of a stock moves up and down rapidly over short time periods, it has high volatility. If the price almost never changes, it has low volatility.

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After the advanced investor studied the volatility of a particular stock, she decided that the potential risk was not worth the reward.

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You need to always assess the volatility of an investment before you take it on in order to know what you will have to deal with.

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The lab students had to move quick to conduct the lab as the volatility of the solution was very low and it would evaporate any minute.

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