mtm:=C-REF(C,1); DX:=100*Ema(EMA(MTM,6),6)/EMA(EMA(Abs(MTM),6),6); 买:IF(LLV(DX,2)=LLV(DX,7) AND COUNT(DX<0,2) AND crOSS(DX,MA(DX,2)),1,0);