DIFF:=Ema(CLOSE,3)-EMA(CLOSE,7); DEA:=EMA(DIFF,3); macd2:=2*(DIFF-DEA); 红箭头:HHV(MacD2,4)<0 AND MACD2>REF(MACD2,1) AND REF(MACD2,1)<REF(MACD2,2) AND REF(MACD2,2)<REF(MACD2,3);