Vortex indicator (based on the article that was published in the January 2010 issue of TASC) with a smoothing option.
Smoothing is done by filtering (smoothing) prices prior to vortex calculation in order to lessen the inevitable lag that comes with any smoothing. Also, TEMA (as a very "fast" and responsive average type) is used for the same reason.
Based on the Austin Passamonte's idea, this indicator calculates intra-day pivots.WPR with Bollinger bands
This version of Williams Percent Range has an addition of Bollinger bands to help identify possible overbought and oversold levels breaks.