公式如下：DIFF:=EMA(CLOSE,12)-EMA(CLOSE,27);

DEA:=EMA(DIFF,9);

MACD:=2*(DIFF-DEA);

金叉:=CROSS(DIFF,DEA),;

A:=BARSLAST(REF(金叉,1));

XG:MACD>0 AND A>=10 ;