@tomswebins, It is not repainting. But, pivots are formed after PvtLenR bars. This is expected and SL is also moved once the pivots are formed. You can see in the chart that SL movement happens after few bars.
It is delayed painting rather than repainting. Once pivots are formed, it will not change that.
Trendoscope
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@tomswebins, One correction. There is a possibility of repainting if WaitForClose is set to false. Because, it is very negligible i suppose.