通达信精品指标，U型反转抄底指标源码公式

幅图
x1:=EMA(CLOSE,5)-EMA(CLOSE,340);
x2:=EMA(x1,144);
x3:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;
x4:=IF(CROSS(x3,5) AND x1