主题：[求助]图表里运行挺好的全局变量到后台就乱了？

TRR:=MAX(MAX((HIGH-LOW),ABS(REF(CLOSE,1)-HIGH)),ABS(REF(CLOSE,1)-LOW));//真实波幅
ATR:=ref(MA(TRR,20),1); //波幅的20日均线
unit:(tasset*0.01)/(MULTIPLIER*atr);

INPUT:X(20,1,100,5);
X周期高点:=REF(HHV(H,X),1);//X是参数，自行调整
X周期低点:=REF(LLV(L,X),1);

//记录建仓的atr

GLOBALVARIABLE:entry=0;
//记录交易次数a
GLOBALVARIABLE:num=0;
//入场条件:
开多条件:=High>=X周期高点 and barpos>20;
开空条件:=Low<=X周期低点 and barpos>20;

//建立头寸
if 开多条件 and tholding=0 then
begin
 tbuy(1,unit,mkt);
 entry:=atr;
 num:=1;
end

if 开空条件 and tholding=0 then
begin
 tbuyshort(1,unit,mkt);
 entry:=atr;
 num:=1;
end

//每盈利0.5个atr加仓，最多加4次
if tbuyholding(1)>0 and high>tenterprice+0.5*entry and num<4 and tsellholding(1)=0 then
begin
 tbuy(1,unit,mkt),ALLOWREPEAT;
 num:=num+1;
end

if tsellholding(1)>0 and low<tenterprice-0.5*entry and num<4 and tbuyholding(1)=0 then
begin
 tbuyshort(1,unit,mkt),ALLOWREPEAT;
 num:=num+1;
end

//止损2个atr
if tbuyholding(1)>0 and low<tenterprice-2*entry  then
begin
 tsell(1,tbuyholding(1),mkt);
end
if tsellholding(1)>0 and high>tenterprice+2*entry  then
begin
 tsellshort(1,tsellholding(1),mkt);
end

//破短期高低位，平仓出场
INPUT:Y(10,1,100,5);
Y周期高点:=REF(HHV(H,10),1);
Y周期低点:=REF(LLV(L,10),1);
if low<Y周期低点 and tbuyholding(1)>0 then
begin
 tsell(1,tbuyholding(1),mkt);
end
if high>Y周期高点 and tsellholding(1)>0 then
begin
 tsellshort(1,tsellholding(1),mkt);
end