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.
Follow all of ScienceDaily's latest research news and top science headlines! Childbirth. Childbirth (also called labour, birth, partus or parturition) is the culmination of a human pregnancy with the emergence of a newborn infant from its mother's uterus. A woman is considered to be in labour when she begins experiencing regular, strong uterine contractions, accompanied by changes of her cervix; primarily effacement and dilation.