千钧老师的DDE预警

QJ4:=QJ0*(MAX(CLOSE,OPEN)-JJ);
DDX:=IF(HIGH=LOW,4*QJ0,((QJ1+QJ2)-(QJ3+QJ4)))/SUM(VOL,10)*100;
DDY:=((QJ2+QJ4)-(QJ1+QJ3))/SUM(VOL,10)*100;
DDZ:=((QJ1+QJ2)-(QJ3+QJ4))/((QJ1+QJ2)+(QJ3+QJ4))*100*17;
预警:DDX 2 AND DDZ 100 AND DDY 3 AND VOL/CAPITAL*100