主题：求助，编写，拜谢~~

ma20:ma(c,20);
buycond:c>=ma20*1.01;//开仓条件
sellcond:c<=ma20*0.99;//平仓条件

if buycond then buy(holding=0,1,market);
if sellcond then  begin sell(holding>0,holding,market); buyshort(holding=0,1,market); end