主题：加仓模型

//只写了多仓

x:=5;
a:=4;
ma30:ma(c,30);
r1:=c>ma30+x;

if r1 then buy(holding=0,1,market);
if ref(r1,1) and holding=1 then buy(1,1,market);
if ref(r1,2) and holding=2 then buy(1,1,market);
if ref(r1,3) and holding=3 then buy(1,1,market);

if c<enterprice-a then sell(holding>0,0,market);