volatile((of a price etc) variable or erratic) adjective [UK: ˈvɒ.lə.taɪl] [US: ˈvɑː.lə.təl]
volatilitet [~en ~er] substantiv {c}
volatility [volatilities](financial markets: quantification of the degree of uncertainty about the future price) noun [UK: ˌvɒ.lə.ˈtɪ.lɪ.ti] [US: ˌvɑː.lə.ˈtɪ.lə.ti]