DEA:=EMA(DIFF,5); MACD:=2*(DIFF-DEA); FH1:=REF(MACD,1)<REF(MACD,2) AND REF(MACD,2)<REF(MACD,3) AND REF(MACD,3)<REF(MACD,4)&&CAPITAL/100<20000; FH2:=MACD>=0 AND COUNT(MACD>REF(MACD,1),1)=1; FH3:=FH1 AND FH2 AND EMA(C,13)>REF(EMA(C,13),1); FH4:=FH1 AND FH2 AND ABS((DIFF-DEA)/C)<0.018; FH5:=FH1 AND FH2 AND MACD<0.10; 凹口淘金:=FH3 OR FH4 OR FH5;