A:=(C-MA(C,20))/STD(C,20);A1:=1+POW(A,2);A2:=SQRT(A1);A3:=A/A2;LS:ASIN(A3)*90 COLORMAGENTA;LS1:EMA(LS,2) COLORWHITE;LS2:EMA(LS1,2) COLORYELLOW;