波段底部和MACD顶底背离选出大周期底部

稳定性高，波段底部选股
N:=90;M:=3;
低:=REF(LLV(L,N),M);
低点:=REFDATE(低,DATE);
XG:低点=L AND ((C-L)>(O-C) OR (O-L)>(C-O)) COLORYELLOW,LINETHICK5,STICK;
MACD顶底背离
SHORT:=12;
LONG:=26;
M:=9;
N:=55;
DIFF:EMA(CLOSE,SHORT)-EMA(CLOSE,LONG);
DEA : EMA(DIFF,M);
MACD:2*(DIFF-DEA);
底背离:LLV(L,N)=L AND NOT(LLV(MACD,N)=MACD);
顶背离:HHV(H,N)=H AND NOT(HHV(MACD,N)=MACD);