FH1:=REF(MACD,1) REF(MACD,2) AND REF(MACD,2) REF(MACD,3) AND REF(MACD,3) REF(MACD,4);
FH2:=MACD =0 AND COUNT(MACD REF(MACD,1),1)=1;
FH3:=EMA(C,30) =REF(EMA(C,30),1) AND COUNT(EMA(C,5) EMA(C,10) AND EMA(C,10) EMA(C,30),1)=1;
FH4:=CROSS(C,EMA(C,30)) OR C EMA(C,30);
FH5:=FH1 AND FH2 AND FH3 AND FH4;
FH6:=FH1 AND FH2 AND FH3 AND FH4 AND ABS((DIFF-DEA)/C) 0.018;
FH7:=FH1 AND FH2 AND FH3 AND FH4 AND MACD 0.10;
买进:FH5 OR FH6 OR FH7,COLORRED;
DRAWTEXT(买进,0.5,'↖买进'),COLORYELLOW;