and if we scroll back the same chart with the same setting  we find the indicator use the mov average of low in both sides !!!!!!!

The indicator attached

also regarding the point that it needs 2 bars to work '' its a moving average'' how can it modified to work starting from one bar

hello footon
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Check the indi if it compiles on your end. The second mistake's origin comes from your request, which resulted in v2. I do not understand what you wanted to achieve, and if I don't understand it now, I most probably didn't get it back then either. The lesson - I'm not good at elaborate stuff, don't ask me for those, hehee. It's a ported indi, not developed further and without added features. It may have few traditional hickups, but those should be easily fixed and indi should be running quickly. The disappearing act is not evident on my end, check that, too!

Sure

It works after a minor fix.

The problem was an error in the ToString() method

string.Format expects 6 params, but 3 are given.

Before:

        public override string ToString()
        {
            return string.Format("{0}{1} ({2}, {3}, {4}, {5})",
                                 IndicatorName,
                                 (IndParam.CheckParam[0].Checked ? "*" : ""),
                                 
                                 IndParam.NumParam[0].ValueToString;
        }

After:

        public override string ToString()
        {
            return string.Format("{0}{1} ({2})",
                                 IndicatorName,
                                 (IndParam.CheckParam[0].Checked ? "*" : ""),
                                 IndParam.NumParam[0].ValueToString);
        }