Real author:
Indoforex Groups - Primajaya
An indicator of trend power with four states.
The Stochastic oscillator is used as the source of signals. A strong upward trend is marked as a blue bar, a weak upward trend is pale green. A strong falling trend is colored red, a weak falling trend is ginger.
This indicator was first implemented in MQL4 and published in the Code Base at mql4.com on 26.02.2008.

Fig. 1 The FilterOverWPR indicator