Need help figuring it out logic of this indicator

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*I am new to this forum, if this thread is not in the appropriate section, please let me know and I will move it where it should be.

I have been trading this indicator for some time and I realize how valuable it is for me to have a set SL, TP1 and TP2 levels for all my trades as I often go into winning trades and don't have a clear mechanical way to exit before the pullback.

Anyone can help me figuring out how these levels are calculated? I'm assuming there is some kind of ATR involved but was not able to replicate these levels.

As seen below, my FTMO challenge wasn't doing too well until I switched at around the 100th trade and was able to recover the account quite easily, provided that you have an understanding of looking at higher timeframe for directional bias.

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