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.
Related Terms. A group of workers joined together in a specific type of organization for the purpose of improving their working conditions as well as to help in promoting the common interests of the group. You may want to join a union if you think you will be working at that company for a long time so they have your back.