ma60:ma(c,60);
ma20:ma(c,20);
buycond:cross(ma20,ma60)
sellcond:cross(ma60,ma20);
if buycond then
begin
sellshort(holding<0,holding,MARKET);
buy(holding=0,1,market);
end
if sellcond then
begin
sell(holding>0,holding,MARKET);
buyshort(holding=0,1,market);
end
buycond:cross(ma20,ma60);
写漏了一个标点符号,补上就行了。