CV:=CLOSE; BBIBOLL:=(MA(CV,3)+MA(CV,6)+MA(CV,12)+MA(CV,24))/4; UPR:=BBIBOLL+6*STD(BBIBOLL,11); DWN:=BBIBOLL-6*STD(BBIBOLL,11); QJJ:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN)); XVL:=(IF(CLOSE>OPEN,QJJ*(HIGH-LOW),IF(CLOSEOPEN,0-QJJ*(HIGH-CLOSE+OPEN-LOW),IF(CLOSE=(UPR-BBIBOLL) AND V/REF(V,1)>=1.9;