大道至简：一根线抓反弹
量能: EMA(100*(CLOSE-LLV(LOW,31))/(HHV(HIGH,31)-LLV(LOW,31)),3)/4,,COLORWHITE;
20;16;
DRAWICON(CROSS(16,量能),15,1);
量能: EMA(100*(CLOSE-LLV(LOW,31))/(HHV(HIGH,31)-LLV(LOW,31)),3)/4,,COLORWHITE;
20;16;
DRAWICON(CROSS(16,量能),15,1);