优化MACD顶底之红箭头选股指标公式

DIFF:=EMA(CLOSE,7) - EMA(CLOSE,19);

DEA:=EMA(DIFF,9);

A:=REF(DIFF,1)<REF(DIFF,2) AND REF(DIFF,2)<REF(DIFF,3) AND DIFF>REF(DIFF,1);

红箭头:A;