学会这个方法，抓10倍大牛股的概率提升10倍>>

看空:INVOL/100;

看多:OUTVOL/100;

DRAWTEXT(OUTVOL>INVOL AND CLOSE<OPEN,0,'$');

DRAWTEXT(OUTVOL>(INVOL+INVOL),0,'X');

DRAWTEXT(OUTVOL<INVOL AND CLOSE>OPEN,0,'V');

DRAWTEXT((OUTVOL+OUTVOL)<INVOL,0,'X');