股市有风险，投资需谨慎！据此投资，风险自负！
                                                     --笑江郎
用法说明：
本公式指标数据由同花顺官方金融研究中心每晚11点后提供。
如遇到指标无法显示，请先切换到其他技术指标再切回即可。
1.DDX：主买大单与主卖大单的差额与流通盘之比。
ddx1、ddx2、ddx3均为技术性指标。

2.ddx1上穿ddx2、ddx3并且三线一齐向上，表明资金主动流入积极，有上涨动力；
反之，则个股将走下降趋势。

3.三线与股价运行相反，表明个股即将出现大级别的调整或反转。
三线向下，股价上涨，表明，将出现大级别调整；反之，则表明即将出现反转。

4.ddx1上穿ddx2、ddx3视为金叉，ddx1下穿ddx2、ddx3视为死叉。

5.仅适用于沪市个股。数据每晚23点自动更新。
                                                    --笑江郎

DRAWGBK((CLOSE > 0),STRIP(RGB(90,100,100),RGB(0,0,0),1));
x1=(ZDMR[-1]+BDMR[-1]);
y1=-(ZDMC[-1]+BDMC[-1]);
a1=IF(ISNULL(x1),0,MA(x1,1));
b1=IF(ISNULL(y1),0,MA(y1,1));
DDX:(a1+b1)/SHGZG*100;
STICKLINE(ddx<0 ,0,ddx,8,0 ),Color007700;
STICKLINE(ddx<0 ,0,ddx,7,0 ),Color008800;
STICKLINE(ddx<0 ,0,ddx,6,0 ),Color009900;
STICKLINE(ddx<0 ,0,ddx,5,0 ),Color00aa00;
STICKLINE(ddx<0 ,0,ddx,4,0 ),Color00bb00;
STICKLINE(ddx<0 ,0,ddx,3,0 ),Color00cc00;
STICKLINE(ddx<0 ,0,ddx,2,0 ),Color00dd00;
STICKLINE(ddx<0 ,0,ddx,1,0 ),Color00ee00;
STICKLINE(ddx<0 ,0,ddx,0,0 ),Color00ff00;
STICKLINE(ddx>0 ,0,ddx,8,0 ),COLOR001177;
STICKLINE(ddx>0 ,0,ddx,7,0 ),COLOR001188;
STICKLINE(ddx>0 ,0,ddx,6,0 ),COLOR001199;
STICKLINE(ddx>0 ,0,ddx,5,0 ),COLOR0011aa;
STICKLINE(ddx>0 ,0,ddx,4,0 ),COLOR0011bb;
STICKLINE(ddx>0 ,0,ddx,3,0 ),COLOR0011cc;
STICKLINE(ddx>0 ,0,ddx,2,0 ),COLOR0011dd;
STICKLINE(ddx>0 ,0,ddx,1,0 ),COLOR0011ee;
STICKLINE(ddx>0 ,0,ddx,0,0 ),COLOR0011ff;
STICKLINE(ddx=0 ,0,ddx,6,0 ),coloryellow;
五日:MA(DDX,5);
十日:MA(DDX,10);
二十日:MA(DDX,20);
三十日:MA(DDX,30);
连红天:BARSLAST(DDX<=0),coloryellow;
五日红:COUNT(DDX>0,5),coloryellow;
十日红:COUNT(DDX>0,10),coloryellow;
ddx1:EMA(DDX,n1)*60.177,coloryellow;
ddx2:SMA(ddx1,n2,1),colormagenta;
ddx3:SMA(ddx1,n3,1),colorcyan;