操盘手长期线选股（月线可以选熊市底部，准确率98%）

A:=MA(-100*(HHV(HIGH,34)-CLOSE)/(HHV(HIGH,34)-LLV(LOW,34)),19);

B:=-100*(HHV(HIGH,14)-CLOSE)/(HHV(HIGH,14)-LLV(LOW,14));

D:=EMA(-100*(HHV(HIGH,34)-CLOSE)/(HHV(HIGH,34)-LLV(LOW,34)),4);

长期线:=A+100;

短期线:=B+100;

中期线:=D+100;

CROSS(长期线,20)AND CROSS(中期线,20);