底部螺旋桨的选股公式
DOWN:=OPEN>CLOSE;
X1:=COUNT(DOWN,5)=4;
X2:=(HHV(C,20)-LLV(C,1))/ LLV(C,1)/50*100;
X3:=(MIN(CLOSE,OPEN)-LOW)/(HIGH-LOW)>0.667 AND (HIGH-MAX(CLOSE,OPEN))/(HIGH-LOW)<0.333 AND (C-O)<0.1;
X4:=V<MA(V,135);
选:X1 AND X2 AND X3 AND X4;
