Formulas:
If Williams %R (WPR_Period) > WPR_Level And Williams %R > MA(MA_Method, MA_Period) of Williams % R = Trend Up
If Williams %R > WPR_Level And Williams %R < MA of Williams % R = Up
If Williams %R < WPR_Level And Williams %R < MA of Williams % R = Trend Down
If Williams %R < WPR_Level And Williams %R > MA of Williams % R = Down
WilliamsPercentRange.lua is available here.
viewtopic.php?f=17&t=898&p=111218&hilit=WILLIAMSPERCENTRANGE#p111218The indicator was revised and updated