Larry Williams Large Trade Index (LWTI) [Loxx] is an indicatory by Larry Williams as explained in his book "Trade Stocks and Commodities with the Insiders: Secrets of the COT Report". I've added optional smoothing if you wish to smooth the output.
What is the Larry Williams Large Trade Index (LWTI)? The original concept was specifically based on Trader (or Market) Sentiment and predicting market reversals. It's calculated as follows:
MovingAvg(Close - Close[Period], bars used in average)/MovingAvg(Range,bars used in average)*50 + 50