1.U型回旋指标是板后回调的一种形态，类似U型锁所以叫U型回旋，信号数量不多。
2.尾盘使用，选择信号的题材符合当下行情的，破近期低点止损离场。
HG1:=REF(CLOSE,1);
HG2:=REF(OPEN,1);
HG3:=REF(CLOSE,3);
HG4:=REF(CLOSE,4);
HG5:=REF(CLOSE,5);
HG6:=HG3/HG4>1.095;
HG7:=HG4/HG5>1.095;
HG8:=MIN(CLOSE,OPEN)>MAX(HG1,HG2);
HG9:=MIN(REF(CLOSE,2),REF(OPEN,2))>MAX(HG1,HG2);
U行回旋:=(HG6 OR HG7) AND HG8 AND HG9;
STICKLINE(U行回旋,0,1.5,2,0),COLOR00FFFF;
DRAWTEXT(U行回旋,1.26,' ★U型回旋'),COLOR0000FF;
