IV Rank. IV rank measures where current implied volatility stands in relation to the range it has been in for a given period of time. The max rank is 100 and the minimum rank is 0. For example, suppose the past four IV readings were 20, 22, 35 and 40.
plural labors. Learner's definition of LABOR. 1. a : physical or mental effort : work. [noncount] A day's labor should get the job done. Getting the job done will require many hours of difficult labor. menial/manual labor.
DEFINITION of 'Labor Union'. An organization intended to represent the collective interests of workers in negotiations with employers over wages, hours and working conditions. Labor unions are often industry-specific and tend to be more common in manufacturing, mining, construction, transportation and the public sector.