Larry Williams' Pro-Go oscillator is intended for daily charts and can be used to detect discrepancies between actions of professional players directed at raising/lowering rates and price. In general, if Professional line is below Public one, it is a buy signal.
The indicator has three input parameters:

MetaQuotes Ltd tarafından Rusçadan çevrilmiştir.
Orijinal kod: https://www.mql5.com/ru/code/22091
XCCI_Candle_Vol_Zer
XCCI_Candle_Vol indicator showing a breakthrough of its zero line using candles, color labels and audio signals
XCCI_Candle_Vol_Zer_HTF
XCCI_Candle_Vol_Zer indicator with the timeframe selection option available in input parameters