求一个通达信的在牛市里面很准的无未来函数的短线买点指标答:{ok.奉献一个很准的无未来函数的短线买点指标给楼主} O1:(SUM(EMA((CLOSE+LOW)/2,1)/3,3)),COLOR00FFFF,LINETHICK1;O2:EMA(O1,3),COLORFF00FF,LINETHICK1;O3:EMA(O2,3),COLOR00FF00,LINETHICK1;AAA:=CROSS(O1,O2) AND CROSS(O2,O3) AND CROSS(O1,O3),LINETHICK1;DRAWICON(AAA,O1*...