ABC1:=C=LLV(C,60); ABC2:= REF(SUM((C-REF(C,1))/C*100,3)< -10,1) OR REF(SUM((C-REF(C,1))/C*100,4)< -10,1) OR REF(SUM((C-REF(C,1))/C*100,5)< -15,1); 至阴买入法:FILTER(crOSS(0.5,ABC1),10) AND ABC2;
