To understand what implied volatility (IV) is, you must first understand what volatility is. Volatility measures the amount that something changes (or in more fancy jargon, it measures the magnitude of change). For example...the price of gas is volatile.
Labor Organization Definition: A defined group of employees formed for the purposes of representing those employees with the employer as to the terms of a collective contract of employment. Related Terms: Union, Trade Union, Labor Union, Collective Bargaining, Disclaimer of Interest.
A rally of the trade union UNISON in Oxford during a strike in 2006. A labor union, or trade union, is an association of fair wage-earners uniting for the purpose of maintaining and improving the conditions of their employment. Over a three-hundred-year period, labor unions have developed into a number of forms, influenced by various political and economic regimes.