U形底选股指标

AA:=(CLOSE-LLV(LOW,55))/(HHV(HIGH,55)-LLV(LOW,55))*100;
TJ1:=SMA(AA,5,1);

A1:=REF(C,2)/REF(C,3) 0.96 AND REF(O,2)/REF(C,2) 1.05;
A2:=BETWEEN(REF(O,1)/REF(C,2),1.02,0.98);
A3:=BETWEEN(O/REF(O,1),1.02,0.98) AND C/REF(C,1) 1.05 AND C/O 1.05;
U形:A1 AND A2 AND A3 AND TJ1 35,COLORRED;