突破前高是关键位置，突围向上拉升空间大，出现信号后可持仓

A1:=(C-LLV(L,13))/(HHV(H,13)-LLV(L,13))*100;

A2:=SMA(A1,3,1);

B1:=SMA(A2,3,1);

A3:=(HHV(H,9)-CLOSE)/(HHV(H,9)-LLV(L,9))*100;

A4:=SMA(A3,3,1);

A5:=SMA(A4,3,1);

B2:=SMA(A5,3,1);

B3:=SMA(B1,3,1);

精确突围:CROSS(B1,B3) AND B2>56 AND B2<=76;