1st Rule = All Signal& MACD lines >0 2nd Rule = 4 Wks Histogram >0 but sliding 3rd Rule = when range of 1st Rule is < high of previous Wks (white verticals). Best match 1982 because high of previous weeks was ATH and dive cut through previous ATH exactly like today in 2020. NOT ADVICE. DYOR.
Comment:
I guess you could view above with my latest post: