Volatility

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volatility

[‚väl·ə′til·əd·ē]
(thermodynamics)
The quality of having a low boiling point or subliming temperature at ordinary pressure or, equivalently, of having a high vapor pressure at ordinary temperatures.

Volatility

 

the property of liquid and solid substances of passing into the gaseous state. Volatility is measured by the concentration of saturated vapor for a substance at a particular temperature; it is expressed in milligrams per cu m or milligrams per liter and is calculated using the equation of state for ideal gases. The volatility of a substance increases with increasing temperature because of an increase in its saturated vapor pressure. In thermodynamics, “volatility” is also used in place of “fugacity.”

References in periodicals archive ?
Except that, the historical volatility and implied volatility of currencies come from the BSG should be obtained as well.
This section offers a computation of the implied volatilities from near-the-money options (options in which the strike price is as close as possible to the price of the underlying asset) on the S&P 500 and a simple but frequently used measure of historical volatility for each trading day over a six-year horizon, 1990 through 1995.
Historical volatility can be thought of as how much the stock has fluctuated in the recent past.
The theory is that the short-term historical volatility reading should snap back in line with the longer-term reading potentially causing a sizeable move in the stock.
Beyond this standard 18-month view, clients have the ability to price any future call or put by using exponentially weighted historical volatility or current implied volatility.
95% compared to the stock's one-month historical volatility of 88.
With the addition of option analytics, SectorEngine's real-time option display has been extended to include implied and historical volatility, theoretical value, Delta, Gamma, Theta, and Vega.
However, compared to RIG's three-month historical volatility of 51%, the in-the-money August 80 call is still relatively inexpensive at the moment.
These factors are tempered by the historical volatility of Hermes' earnings.
Fitch IBCA stressed a hypothetical portfolio assuming multiples of historical volatility for the targeted assets (performing and non-performing loans).

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