volatility UK /ˌvɒl.əˈtɪl.ə.ti/US /ˌvɑ.ləˈtɪl.ə.ti/ noun6 •The state of being unpredictable. •A quantification of the degree of uncertainty about the future price of a commodity, share, or other financial product.The recent volatility has come with the S&P 500 hovering just above bear market territory, or a 20 percent drop from its most recent high. — 2022 •The state of being volatile. •The state of having a low boiling point and evaporating readily. •The state of not retaining data in the absence of power. •The state of being able to fly. formsvolatilities