主题：[求助]当HOLDING=1的时候开不了空吗？

kd1:= cross(c,ma2) and holding=0;

kd2:= cross(c,ma2) and holding=-1;

pd1:=cross(ma2,c) adn holding=1;

kk1:=cross(l20,c) and holding>-1;
kk2:=cross(l20,c) and holding=1;
kk3:=cross(l20,c) and c>ma2 and holding=1;

pk1:=cross(c,h20) and holding=-1;
pk2:=cross(c,h20) and holding=-1 and holding=1;
pk3:=cross(c,h20) and holding=0;
if pk1 or pk2 or pk3 then
begin
sellshort(1,1,limitr,c);
end

if pd1 then
begin
sell(1,1,limitr,c);
if pd1 then aa:=0;
end

if kd1 or kd2 then
begin
buy(1,1,limitr,c);
if  kd1 or kd2 then aa:=1;
end