Indicator not update on index

Hello,

Do someone can tell me what i am doing wrong here ?

My  TotChgAvr[index] is updating well in the first part of the code (print "hello") but stuck on a unique value on the second part (print "goodbye").

I'll appreciate any clue, thanks !

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

namespace cAlgo
{
    [Indicator(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class SmoothedRSI : Indicator
    {
        [Parameter(DefaultValue = 14)]
        public int X { get; set; }

        [Parameter(DefaultValue = 6)]
        public int N { get; set; }

        [Output("SRSI", Color = Colors.Turquoise)]
        public IndicatorDataSeries SRSI { get; set; }

        private IndicatorDataSeries NetChgAvr;
        private IndicatorDataSeries TotChgAvr;
        private IndicatorDataSeries InitRatio;
        private IndicatorDataSeries ChgRatio;
        private MovingAverage EMAPrice;
        private MovingAverage InitPrice;



        protected override void Initialize()
        {
            NetChgAvr = CreateDataSeries();
            TotChgAvr = CreateDataSeries();
            ChgRatio = CreateDataSeries();
            InitRatio = CreateDataSeries();
            EMAPrice = Indicators.MovingAverage(MarketSeries.Close, X, MovingAverageType.Exponential);
            InitPrice = Indicators.MovingAverage(InitRatio, N, MovingAverageType.Simple);
        }

        public override void Calculate(int index)
        {


            var SF = 1 / N;

            var Change = EMAPrice.Result[index] - EMAPrice.Result[index - 1];


            int total = MarketSeries.Close.Count;


            if (total <= N + X)
            {
                InitRatio[index] = Math.Abs(EMAPrice.Result[index] - EMAPrice.Result[index - 1]);
                NetChgAvr[index] = (EMAPrice.Result[index] - EMAPrice.Result[N]) / N;
                TotChgAvr[index] = InitRatio[index];
                //Print("hello=", TotChgAvr[index]);
            }
            else
            {
                NetChgAvr[index] = NetChgAvr[index - 1] + SF * (Change - NetChgAvr[index - 1]);
                TotChgAvr[index] = TotChgAvr[index - 1] + SF * (Math.Abs(Change) - TotChgAvr[index - 1]);
                //Print("goodbye=", TotChgAvr[index]);
            }

            if (TotChgAvr[index] != 0)
            {
                ChgRatio[index] = NetChgAvr[index] / TotChgAvr[index];
                //Print(ChgRatio[index]);
            }
            else
            {
                ChgRatio[index] = 0;
            }


            SRSI[index] = 50 * (ChgRatio[index] + 1);
        }

    }
}