一个MACD在零轴上欲金叉条件选股公式

DIFF:=EMA(CLOSE,12) - EMA(CLOSE,26);
DEA:=EMA(DIFF,9);
MACD:=2*(DIFF-DEA);
XX:=CROSS(MACD<0,0.5);
tt:=barslast(xx);
cc:=if(macd<0,dea-diff,drawnull);
ll:cc<hhv(cc,tt)/2 and cc<=llv(cc,tt) and tt>0;

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