主题：寻求帮助，客服来帮我看看

GLOBALVARIABLE:YL:=0; ------ 设全局变量
IF HOLDING>O THEN BEGIN----如果持有多单的时候
YL:=IF00C-ENTERPRICE;------定义盈亏，当前价个减去成本价
sell((YL>5 OR ENDTIME),shou,limitr,d2);----有5点的盈利，就跑了
sell(YL<-2.8,SHOU,MARKETR,C-5*MINDIFF);----亏损2.8就止损了
END
IF HOLDING<0 THEN BEGIN------下面是持有空单的时候，同理
YL:=ENTERPRICE-IF00C;
sellshort((YL>5 OR ENDTIME),shou,limitr,d1);
sellshort(YL<-2.8,SHOU,MARKETR,C+5*MINDIFF);
END

请问，高手们，我这样写有问题吗，为啥达到条件，不会出场？

如果用后台交易呢，这个全局变量是用哪个？

GLOBALVARIABLE:YL:=0;
IF THOLDING>O THEN BEGIN
YL:=C-TENTERPRICE;
Tsell((YL>1OR ENDTIME),shou,LMT,d2);
Tsell(YL<-2.8,SHOU,MKT,C-5*MINDIFF);
END
IF THOLDING<0 THEN BEGIN
YL:=TENTERPRICE-C;
Tsellshort((YL>1OR ENDTIME),shou,LMT,d1);
Tsellshort(YL<-2.8,SHOU,MKT,C+5*MINDIFF);
END

我把改成后台，咋还是不会平仓呀，我先显示出盈利数值，去掉等号，提示重复定义YL