老师麻烦给改一下

小19

DIFF:=EMA(CLOSE,S) - EMA(CLOSE,P);
DEA:=EMA(DIFF,M);
MACD:=2*(DIFF-DEA);

ma30:ma(c,30);
麻烦老师给改下
加上开平仓

MA30上方 MACD上穿0轴开多
MA30下方 MACD下穿0轴开空

谢谢

技术008

if cross(diff,dea) and close>ma30 then
begin
sellshort(1,holding,marketr);
buy(1,1,marketr);
end