Or (KVO) determines the long-term trend of money flow while remaining sensitive enough to confirm short-term reversals.It uses the key price, and increasing and decreasing bars compared to the prior bar's key price and increasing and decreasing bars to assign volume and the trend as positive or negative values. Volume is a measure of how many units of a pair are trading per unit of time, while the increasing and decreasing bars are a measure strength of the trend the trend.The Klinger Volume Oscillator is a trend reversal confirmation indicator. It relies on the concept of a volume force, and increasing and decreasing bars against the signal line or volume line.