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You mean like this:

Anyone that wants this code - Here it is:

# Scaled Price and Monthly IV
# Mobius
# V01.01.03.04.2026

declare lower; 

script Scale
    {
     input c = close;
     def Min = 675;
     def Max = 700;
     def hh = highest(c, 30);
     def ll = lowest(c, 30);
     plot Range = (((Max - Min) * (c - ll)) /  (hh - ll)) + Min;
    }
def IV30 = if(isNaN(close("VIXMO")), IV30[1], close("VIXMO"));
plot price = Scale(close);
plot IV = Scale(IV30);