The indicator plots the Bollinger Bands ®, filled with different colors depending on the trend direction.
If the price crosses the upper bound (upward trend), the Bollinger Bands fills with blue color, if it crosses the lower bound (downward trend), the Bands filled with pink color.
If the price crosses the middle line, it's considered as a flat, and the Bands filled with grey color.
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/98
The Acceleration/Deceleration Indicator (AC) measures acceleration and deceleration of the current driving force.Average Directional Movement Index (ADX)
The Average Directional Movement Index Indicator (ADX) helps to determine if there is a price trend.