通达信指标牛股买入选股
AR1:=3*SMA((C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100,3,1)-2*SMA(SMA((C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100,3,1),3,1); 牛股买入:=CROSS(AR1,REF(AR1+0.01,1)) AND LLV(AR1,2)=LLV(AR1,8) AND AR1<20; 牛股买入>0;
