标题：BUY函数无法开仓，不知何故？

 a1:=STKINDI('IF07' ,'rsi' ,0, 21,3);
a2:=STKINDI('IH07' ,'rsi' ,0 ,21,3);
a3:=a1-a2;

JC:="IF07$CLOSE"-"IH07$CLOSE";

//交易系统
//突破0轴
ss:=a3>0;
xj:=a3<0;

if ss and THOLDING=0 then 
begin
   开多:TBUY(ss,1,LMT,0,0,'','IF07');
   //XX:BUY(SS,1,MARKET);
   开空:TBUYSHORT(ss,1,LMT,CLOSE,0,'','IH07');
   平空2:TSELLSHORT(ss,1,LMT,CLOSE,0,'','IF07');
   平多2:TSELL(ss,1,LMT,CLOSE,0,'','IH07');
end 

IF xj AND THOLDING=0 THEN 
BEGIN
   平空:TSELLSHORT(xj,1,LMT,CLOSE,0,'','IH07');
   平多:TSELL(xj,1,LMT,CLOSE,0,'','IF07');

   开多2:TBUY(xj,1,LMT,CLOSE,0,'','IH07');
   开空2:TBUYSHORT(xj,1,LMT,CLOSE,0,'','IF07');

END 



//监控持仓和资金状况
当前持仓量:=TBUYHOLDINGEX( 0,0 ,0 );
当前可用资金:=TACCOUNT(19);


此主题相关图片如下：2.jpg


此主题相关图片如下：1.jpg



持仓:Tholding,linethick0;
资产:asset,noaxis;
可用现金:cash(0),linethick0;