PowerTrend indicator determines trend power and direction.
location on a current bar relative to zero is determined to get current
market trend direction. Histogram bar color indicates trend power.
Presence of the black color only implies that a trend is very weak or is
Red color implies that a new trend is emerging. Addition of the
blue color to the histogram bar shows moderate trend and the green
color points to strong accomplished trends.
Author: Nikolay Kositsin