这是个抄底指标，虽然信号数不多，但准确率较高点。低位金叉并出现“拉”文字，为底部买入信号。

n=3;
 n2=6 ;
 n3=-23 ;
 n4=75;
 Var2:=(CLOSE-REF(CLOSE, 1))/REF(CLOSE, 1)*100;
 Var3:=(CLOSE-LLV(LOW, 18))/(HHV(HIGH, 18)-LLV(LOW, 18))*100;
 Var4:=SMA(Var3, 9, 1);
 Var5:=SMA(Var4, 3, 1);
 J:3*Var4-2*Var5;
 Var6:=J>1*REF(J, 1);
 Var7:=LLVBARS(LOW, 50);
 Var8:=SUM(VOL, Var7);
 Var9:=HHVBARS(HIGH, 50);
 Var10:=SUM(VOL, Var9);
 Var11:=(CLOSE-REF(OPEN, Var9))/REF(OPEN, Var9)*100;
 Var12:=Var10/CAPITAL*100;
 Var13:=(CLOSE-REF(OPEN, Var7))/REF(OPEN, Var7)*100;
 Var14:=Var8/CAPITAL*100;
 Var15:=MA(WINNER(CLOSE), N)*100;
 Var16:=EMA(Var4, N);
 A2:EMA(Var4, N), COLORFFDDCC;
 A3:EMA(A2, N), COLORFFBBCC;
 A4:EMA(A3, N), COLORFF99CC;
 A5:EMA(A4, N), COLORFF55CC;
 A6:EMA(A5, N), COLORFF33CC;
 A7:EMA