极度顶底之绝对底选股指标公式

X_1:=6;
X_2:=4;
X_3:=13;
X_4:=(3*CLOSE+LOW+OPEN+HIGH)/6;
X_5:=WMA(vol,X_3);
X_6:=WMA(AMOUNT,X_3);
X_7:=X_6/X_5/100;
X_8:=(X_4-X_7)/X_7*100;
绝对底:X_8<(-18);