通达信S理论公测版

AA:=(C-MA(C,9))/STD(C,4);
AA1:=1+POW(AA,2);
AA2:=1*AA1;
AA3:=AA/AA2;
BETA1:ASIN(AA3)*100 COLORMAGENTA;
BETA2:SUM(BETA1,2) COLORWHITE;
BETA3:SUM(BETA2,2) COLORYELLOW;
DRAWICON(BETA1<0 AND CROSS(BETA2,BETA3),BETA3,1);