BIAS1:=(CLOSE-MA(CLOSE,13))/MA(CLOSE,13)*100/0.7; BIAS2:=(CLOSE-MA(CLOSE,6))/MA(CLOSE,6)*100*2; BIAS3:=(CLOSE-MA(CLOSE,11))/MA(CLOSE,11)*100/0.3/1.3/1.5; XG:BIAS1<-12 AND BIAS2<-9 AND BIAS3<-12;