The % change over the last n candles.
A plain momentum measure: positive when price is higher than n candles ago.
Worked out by the same code the builder uses, on stored daily candles. Move a setting and the line moves with it. This is what happened, not what will happen.
Gate: Rate of change(30) [1d] is above 0.
Jumps when a large candle enters or leaves the window.
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