条件如下：1.第一天下跌收阴K线；2.第二天涨停，成交量比第一天小；3.第三天成交量比第二天大，收红K线；4.第四天开盘价低于第三天收盘价。参考002139，000524两个股，此两股2015年8月3日下跌收阴K线，8月4日缩量涨停，8月5日成交量比8月4日大，收红K线，8月6日开盘价低于8月5日收盘价.
 

{主图}


A:=C<O AND H<REF(H,1) AND L<REF(L,1) AND C<REF(C,1);
ZT:=C>REF(C,1)*1.095 AND C=H AND V<REF(V,1);
B:=V>REF(V,1) AND C>O;
D:=O<REF(C,1) AND C>O;
XG:=REF(A,3) AND REF(ZT,2) AND REF(B,1) AND D;
STICKLINE(XG,C,O,2,0),COLORYELLOW;
STICKLINE(XG,L,H,0,0),COLORYELLOW;
DRAWICON(XG,L*0.95,1);


{幅图}


A:=C<O AND H<REF(H,1) AND L<REF(L,1) AND C<REF(C,1);
ZT:=C>REF(C,1)*1.095 AND C=H AND V<REF(V,1);
B:=V>REF(V,1) AND C>O;
D:=O<REF(C,1) AND C>O;
XG:=REF(A,3) AND REF(ZT,2) AND REF(B,1) AND D;
STICKLINE(XG,0,6,1.5,0),COLORYELLOW;



{选股}

A:=C<O AND H<REF(H,1) AND L<REF(L,1) AND C<REF(C,1);
ZT:=C>REF(C,1)*1.095 AND C=H AND V<REF(V,1);
B:=V>REF(V,1) AND C>O;
D:=O<REF(C,1) AND C>O;
XG:REF(A,3) AND REF(ZT,2) AND REF(B,1) AND D;