Stochastic Oscillator (based on Stochastic Momentum) from the book "Momentum, Direction and Divergence" by William Blau, implemented in the form of a color histogram with a signal line implemented as a colored cloud. The indicator uses SmoothAlgorithms.mqh library classes...
from https://tradingrobots.net/blausmstochastic-indicator-for-metatrader-5/