Bandwidth free

by qualitiedx2 in category Oscilator at 04/08/2012

The Bandwidth indicator derived from the Bollinger BandsBandwidth indicator


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Formula / Source Code
Language: C#
Trading Platform: cAlgocTrader
using System;
using cAlgo.API;
using cAlgo.API.Indicators;
using cAlgo.Indicators;

namespace cAlgo.Indicators
    [Indicator(IsOverlay = false, AccessRights = AccessRights.None)]
    public class Bandwidth : Indicator
        public DataSeries Source { get; set; }

		public MovingAverageType matype { get; set; }

        [Parameter("Period", DefaultValue =20)]
        public int Period { get; set; }

        [Parameter("Standard Deviation", DefaultValue = 2.0)]
        public double std { get; set; }

        [Output("Main", Color = Colors.Red)]
        public IndicatorDataSeries Result { get; set; }

		BollingerBands bb;

        protected override void Initialize()
			bb = Indicators.BollingerBands(Source, Period, std, matype);

        public override void Calculate(int index)
			Result[index] = (bb.Top[index] - bb.Bottom[index]) / bb.Main[index];

firemyst - May 27, 2019 @ 03:35

Why do you divide by bb.Main[index]?

Subtracting the bottom from the top alone will provide you with the width. Or subtracting the bottom from the top and dividing by 2. 

Thank you.