60日均线 20日均线 10日均线
1、c>ma60 and ma10上穿ma20 开多单
ma10下穿ma20 平仓
2、c<ma60 and ma10下穿ma20 开空单
ma10上穿ma20 平仓
ma10:ma(c,10);
ma20:ma(c,20);
ma60:ma(c,60);
平多:cross(ma20,ma10);
开多:c>ma60 and cross(ma10,ma20);
平空:cross(ma10,ma20);
开空:cross(ma20,ma10) and c<ma60;
sell(holding>0 and 平多,holding,market);
buy(holding=0 and 开多,1,market);
sellshort(holding<0 and 平空 ,holding,market);
buyshort(holding=0 and 开空 ,1,market);