V11:=3*SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1)-2*SMA(SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1),3,1);
V12:=(EMA(V11,3)-REF(EMA(V11,3),1))/REF(EMA(V11,3),1)*100;
买入股票:EMA(V11,3)<=13 AND V12>13>REF(EMA(V11,3)<=13 AND V12>13,1) AND REF(EMA(V11,3)<=13 AND V12>13,1)<REF(EMA(V11,3)<=13 AND V12>13,2);