波段预警选股公式（做波段的可以参考使用）

BDSJ1:=100*(C-LLV(L,5))/(HHV(C,5)-LLV(L,5));
BDSJ2:=100*(C-LLV(L,10))/(HHV(C,10)-LLV(L,10));
BDSJ3:=100*(C-LLV(L,20))/(HHV(C,20)-LLV(L,20));
BDSJ4:=100*(C-LLV(L,30))/(HHV(C,30)-LLV(L,30));
A:=BARSLAST(CROSS(97,BDSJ1))<=1 AND BARSLAST(CROSS(BDSJ1,85))<=1;
B:=BARSLAST(CROSS(97,BDSJ2))<=1 AND BARSLAST(CROSS(BDSJ2,85))<=1;
A1:=A AND B;
AA:=BARSLAST(CROSS(97,BDSJ1))<=2 AND BARSLAST(CROSS(BDSJ1,85))<=1;
BA:=BARSLAST(CROSS(97,BDSJ2))<=2 AND BARSLAST(CROSS(BDSJ2,85))<=1;
A2:=AA AND BA;
AAA:=BARSLAST(CROSS(97,BDSJ1))<=3 AND BARSLAST(CROSS(BDSJ1,85))<=1;
BAA:=BARSLAST(CROSS(97,BDSJ2))<=3 AND BARSLAST(CROSS(BDSJ2,85))<=1;
A3:=AAA AND BAA;
B1:=REF(A1,1);
B2:=REF(A2,1);
B3:=REF(A3,1);
D1:=BDSJ1=100 AND BDSJ2=100 AND A1;
D2:=BDSJ1=100 AND BDSJ2=100 AND A2;
D3:=BDSJ1=100 AND BDSJ2=100 AND A3;
ENTERLONG:D1 OR D2 OR D3;