买１:=VAR10;
买２:=(VAR11+VAR13+VAR15+VAR17);
卖１:=(VAR12+VAR14+VAR16+VAR18);
DRAWTEXT(买１>0 OR 买２>0,LOW*1,'买'),COLORRED;
DRAWTEXT(卖１>0,HIGH*1.,'卖'),COLORGREEN;
把这个改成交易指令,'平空单同时开多单','平多单同时开空单'
买１:=VAR10;
买２:=(VAR11+VAR13+VAR15+VAR17);
卖１:=(VAR12+VAR14+VAR16+VAR18);
IF 买1 or 买2 THEN BEGIN
SELLSHORT(HOLDING<0,0,THISCLOSE);
BUY(HOLDING=0,1,THISCLOSE);
END
IF 卖1 THEN BEGIN
SELL(HOLDING>0,0,THISCLOSE);
BUYSHORT(HOLDING=0,1,THISCLOSE);
END