Demand Supply Volume Squeeze indicator

using System;
using cAlgo.API;
using cAlgo.API.Internals;
using cAlgo.API.Indicators;
using cAlgo.Indicators;

namespace cAlgo
{
    [Cloud("outZoneUp", "outZoneDn", FirstColor = "Black", SecondColor = "Red", Opacity = 0.05)]
    [Indicator(IsOverlay = true, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class mSPSDvolume : Indicator
    {
        [Parameter("Period (10)", DefaultValue = 10)]
        public int inpPeriod1 { get; set; }
        [Parameter("Period (20)", DefaultValue = 20)]
        public int inpPeriod2 { get; set; }
        [Parameter("Period (50)", DefaultValue = 50)]
        public int inpPeriod3 { get; set; }
        [Parameter("Period (100)", DefaultValue = 100)]
        public int inpPeriod4 { get; set; }
        [Parameter("Period (200)", DefaultValue = 200)]
        public int inpPeriod5 { get; set; }

        [Output("outZoneUp", LineColor = "Silver", PlotType = PlotType.Line, Thickness = 1)]
        public IndicatorDataSeries outZoneUp { get; set; }
        [Output("outZoneDn", LineColor = "Silver", PlotType = PlotType.Line, Thickness = 1)]
        public IndicatorDataSeries outZoneDn { get; set; }
        
        private mMFIFIRgap _i1, _i2, _i3, _i4, _i5;
        private IndicatorDataSeries _pos, _neg, _pol;
        

        protected override void Initialize()
        {
            _i1 = Indicators.GetIndicator<mMFIFIRgap>(inpPeriod1);
            _i2 = Indicators.GetIndicator<mMFIFIRgap>(inpPeriod2);
            _i3 = Indicators.GetIndicator<mMFIFIRgap>(inpPeriod3);
            _i4 = Indicators.GetIndicator<mMFIFIRgap>(inpPeriod4);
            _i5 = Indicators.GetIndicator<mMFIFIRgap>(inpPeriod5);
            _pos = CreateDataSeries();
            _neg = CreateDataSeries();
            _pol = CreateDataSeries();
        }

        public override void Calculate(int i)
        {
            _pos[i] = _neg[i] = 0;
            
            _pos[i] += _i1.outBulls[i] == +2 ? +1 : 0;
            _pos[i] += _i2.outBulls[i] == +2 ? +1 : 0;
            _pos[i] += _i3.outBulls[i] == +2 ? +1 : 0;
            _pos[i] += _i4.outBulls[i] == +2 ? +1 : 0;
            _pos[i] += _i5.outBulls[i] == +2 ? +1 : 0;

            _neg[i] += _i1.outBears[i] == -2 ? -1 : 0;
            _neg[i] += _i2.outBears[i] == -2 ? -1 : 0;
            _neg[i] += _i3.outBears[i] == -2 ? -1 : 0;
            _neg[i] += _i4.outBears[i] == -2 ? -1 : 0;
            _neg[i] += _i5.outBears[i] == -2 ? -1 : 0;
            
            _pol[i] =     _pos[i] == +5 ? +5 
                        : _neg[i] == -5 ? -5
                        : 0;
                        
            outZoneUp[i] = _pos[i] == 0 && _neg[i] == 0 ? Bars.HighPrices[i] : outZoneUp[i-1];
            outZoneDn[i] = _pos[i] == 0 && _neg[i] == 0 ? Bars.LowPrices[i] : outZoneDn[i-1];
        }
    }
}