1:=(CLOSE-MA(CLOSE,6))/MA(CLOSE,6)*100;BIAS2:=(CLOSE-MA(CLOSE,12))/MA(CLOSE,12)*100;BIAS3:=(CLOSE-MA(CLOSE,24))/MA(CLOSE,24)*100;BIAS:=(BIAS1+2*BIAS2+3*BIAS3)/6;:=MA(BIAS,3);:IF(乖离<-12 AND 乖离>=-18,-4,0);