海豚张嘴 日线 选股

这是股票从日线来选股的图线

20日线上穿62日线，20日线趋势向上；且4日线在经过一个小幅拉高回调盘整后，于20日，62日粘合；并在交叉点上放量，且超过5日甚至10均量；后市就容易形成多头排列，快速拉升，成为海豚张嘴图形

ma4:=ma(close,4); ma10:=ma(close,10); ma20:=ma(close,20); ma62:=ma(close,62); var1:=slope(ma20,3)>0; var2:=abs(slope(ma62,3))<0.19; var3:=slope(ma62,3)>ref(slope(ma62,3),1); var4:=ref(ma4,4)>ma20; var5:=ref(ma20=ma62; absvol:=(ma4-ma20); var6:=slope(ma4,2)>=ref(slope(ma4,2),1) and absvol>=ref(absvol,1) and ref(absvol,2)>=ref(absvol,1); con1:=var1 and var2 and var3 and var4 and var5 and var6 ; var41:=ref(ma4>ma20,3); absvol1:=abs(ma4-ma10); var61:=ref(absvol1,2)>ref(absvol1,1) and absvol1>ref(absvol1,1) and slope(ma4,2)<0 and slope(ma4,2)>ref(slope(ma4,2),1); con2:=var1 and var2 and var3 and var41 and var5 and var61 ; con:=con1 or con2; 海豚张嘴:not(ref(con,4)) and not(ref(con,3)) and not(ref(con,1)) and not(ref(con,2)) and con;