抄底抓牛J值必须在0值以下才能买

bias1:=(C-MA(C,6))/MA(C,6)*100;
BIAS2:=(C-MA(C,12))/MA(C,12)*100;
BIAS3:=(C-MA(C,24))/MA(C,24)*100;
BIAS:=(BIAS1+2*BIAS2+3*BIAS3)/6;
乖离:=MA(BIAS,3);
XG:crOSS(BIAS,乖离) AND 乖离<-9.5;