Definition of volatility
plural volatilities
: the quality or state of being volatile: such as
a
: a tendency to change quickly and unpredictably
- price volatility
- the volatility of the stock market
b
: a tendency to erupt in violence or anger
- the volatility of the region
- the volatility of his temper
c
: the quality of being readily vaporizable at a fairly low temperature
- As each component of crude oil has a different relative volatility, they will evaporate at different temperatures.
- —Martin W. Stockel et al.
