if kd1 then begin
KD:buy(holding=0,1,market);
IF aa>bb then begin
if a6 then begin
sell(1,0,market),ORDERQUEUE;
end;
if aa>bb and a2 then begin holding>0;
end;
if aa>bb and a5 then begin
sell(1,0,market),ORDERQUEUE;
end;
if aa>bb and a2 then begin
buy(holding=0,1,market);
end;
if aa>bb and a5 then begin
sell(1,0,market),ORDERQUEUE;
end;
end;