经过对该指标进行改进，可以看出多空动向，也可以用于期货操作。
当上方黄柱出现变短时，为买入时机。由短变长时，可考虑卖出。
当下方黄柱出现变短时，为卖出时机。由短变长时，可考虑买进。
如果觉得好就用。

{大智慧指标改进版}
AA1:=filter(low=llv(low,13),8);
AA2:=if(LLV(low,3)=llv(low,13) and close<ref((high+low)/2,1),max(ref(llv(low,12),barslast(AA1)+1)-low,0),0);
AA3:=ema(AA2,3)*3;
AA4:=sumbars(AA3>0,21);
AA5:=sum(AA3,AA4)/21;
AA6:=ref(AA3,1)=hhv(AA3,3) and ref(AA3,1)>AA5*3 and count(close/ref(close,1)<0.9025,8)=0 and isup and llv(low,3)/hhv(high,18)<0.88;
AA7:=(count("ddx.ddx">0,5)>0 or not("ddx.ddx1"<"ddx.ddx2" and "ddx.ddx2"<"ddx.ddx3")) and count("ddx.ddx">ref("ddx.ddx",1),10)>=4;
反转:filter(AA6 and AA7,5),colorblack;
stickline(close,0,AA3,8,1),coloryellow;
stickline(反转,0,AA3,8,0),colorred;
AA8:=filter(HIGH=HHv(HIGH,13),8);
AA9:=if(HHV(HIGH,3)=HHv(HIGH,13) and close>ref((high+low)/2,1),mIN(ref(HHv(HIGH,12),barslast(AA8)+1)-HIGH,0),0);
AA10:=ema(AA9,3)*3;
AA11:=sumbars(AA10<0,21);
AA12:=sum(AA10,AA11)/21;
AA13:=ref(AA10,1)=hhv(AA10,3) and ref(AA10,1)<AA12*3 and count(close/ref(close,1)>0.9025,8)=0 and isup and HHV(HIGH,3)/hhv(high,18)>0.88;
AA14:=(count("ddx.ddx"<0,5)<0 or not("ddx.ddx1">"ddx.ddx2" and "ddx.ddx2">"ddx.ddx3")) and count("ddx.ddx">ref("ddx.ddx",1),10)<=4;
反转1:filter(AA13 and AA14,5),colorblack;
stickline(close,0,AA10,8,1),coloryellow;
stickline(反转1,0,AA10,8,0),colorred;