以下是通达信根据L2编制的【逐笔大单统计】，主力动向一目了然指标公式（无源码的请下载附件导入）

通达信,L2,逐笔大单统计,主力动向,一目了然,指标公式

指标名称:【逐笔大单统计】
本指标需要有L2数据的通达信软件支持，否则不显示

-----------------
-----------------
--------------------
--------------------
======================
======================
=====================
====================

逐笔买入大单:=LARGETRDINNUM;
逐笔卖出大单:=LARGETRDOUTNUM,LINETHICK3;
DDM:SUM(逐笔买入大单,5),LINETHICK3;
DDN:SUM(逐笔卖出大单,5),LINETHICK3;
H1:=HHV(DDM,20);
H2:CONST(REF(H1,5));
DRAWBAND(DDM,90,H2,RGB(39,0,39));
DRAWBAND(DDM,90,DDN,RGB(255,215,0));
H3:CONST(REF(H1,20)),COLORBROWN,DOTLINE;
H4:CONST(REF(H1,10)),COLORBROWN,DOTLINE;
DRAWICON(CROSS(DDM,DDN) AND DDM>DDN,DDN,3);
DRAWTEXT(CROSS(DDM,H2) AND DDM>DDN,H2,'追'),COLORYELLOW;