--- title: Volatility description: Volatility is the amount of uncertainty associated with the size of change in a security or market index’s value. image: https://www.realized1031.com/hubfs/social-suggested-images/Realized_Glossary_Graphic-4.jpg --- [![Realized 1031 Exchange Marketplace](https://www.realized1031.com/hs-fs/hubfs/Images/Brand/Logo/Realized/Realized-Logo-Black.png?width=240&height=80&name=Realized-Logo-Black.png "Realized 1031 Logo") ](https://www.realized1031.com/) - Better Business Bureau Rating: **A+** - [FINRA BrokerCheck](https://brokercheck.finra.org/firm/summary/22333) - [Call](tel:1-877-797-1031) **(877) 797-1031** # Volatility The amount of uncertainty associated with the size of change in a security or market index’s value. In statistics, volatility is determined by the standard deviation or variance of returns for the same security or index. A higher volatility means that a security’s value is more unpredictable, typically carrying a greater amount of risk. A lower volatility means that the security’s value does not fluctuate as much, and tends to be more stable. For example, say Security A has fluctuated in value from $50 to $120 three times this year, while Security B has fluctuated between $70 to $80 three times as well. Given that Security A has changed in value at a higher variance from its average during this time period, it is said to be more volatile, or more unpredictable.   Learn Ways To Help Build Long-Term Real Estate Wealth [![Get Tips For Managing Real Estate Wealth](https://www.realized1031.com/hs-fs/hubfs/Images/UI/graphics/composites/IPWM-eBook-250c.jpg?width=250&height=250&name=IPWM-eBook-250c.jpg "Learn new ways to use real ...") ](https://www.realized1031.com/glossary/volatility#blogform) Download eBook ---   --- ### Get Tips For Managing Real Estate Wealth ![Learn Ways To Help Build Long-Term Real Estate Wealth](https://www.realized1031.com/hs-fs/hubfs/Images/UI/graphics/composites/IPWM-eBook-550.jpg?width=550&height=650&name=IPWM-eBook-550.jpg) Learn new ways to use real estate to pursue your wealth goals. By providing your email and phone number, you are opting to receive communications from Realized. 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A lower volatility means that the security’s value does not fluctuate as much, and tends to be more stable. For example, say Security A has fluctuated in value from $50 to $120 three times this year, while Security B has fluctuated between $70 to $80 three times as well. 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