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.
lumpenproletariat - (Marxism) the unorganized lower levels of the proletariat who are not interested in revolutionary advancement. organized labor-employees who are represented by a labor union. prole, proletarian, worker-a member of the working class (not necessarily employed); workers of the world--unite!.