1.

variable:bj=0;

if openprofit/multiplier>30 and bj=0 and holding>0 then begin

    sell(1,0,market);

    bj:=1;

end

if bj=1 and c<enterprice-10 and holding>0 then begin

    sell(1,0,market);

    bj:=0;

end

2.可以