计算背离，在区间内给出买卖信号，低点为买，高点为卖

CS:=(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100;

G:(EMA(CS,3)-50)*2;

G,COLORSTICK;

CHANCE:-80,COLOR0000FF;

DANGER:80,COLOR00FF00;