指标通过计算股价在波段高低点之间的相对位置，生成一条主力动向曲线，再结合不同阈值和K线形态，给出三种信号。
主要功能
主力线跌到低位时触发“主诱空”信号，再往下探则触发“主异动”信号，提示主力可能在故意打压制造恐慌、趁机吸筹。当主力线向上拐头时亮出“马动起”信号；如果当天最低价正好触及近期低点，且收出带长下影的K线形态，则出现“起爆”提示。
操作策略
看到诱空或异动信号时不要恐慌割肉，反而应留意是否为主力洗盘吸筹，可加入自选观察。当“马动起”或“起爆”出现，尤其是两者共振时，往往是较好的介入时机，可轻仓跟进，止损设在信号当天低点下方。
GSZJ1:=3;
GSZJ2:=(3)*(SMA(((CLOSE - LLV(LOW,34))/(HHV(HIGH,34) - LLV(LOW,34)))*(100),5,1)) - (2)*(SMA(SMA(((CLOSE - LLV(LOW,34))/(HHV(HIGH,34) - LLV(LOW,34)))*(100),5,1),3,1));
主诱空:IF((GSZJ2 < 8),30,0),COLOR1000FF,NODRAW;
主异动:IF((GSZJ2 <= 5),60,0),COLORDD00DD,COLOR0099FF,NODRAW;
STICKLINE(主异动,0,60,3.0,0)COLOR880088,COLOR0099FF;
STICKLINE(主异动,0,60,2.4,0)COLOR990099,COLOR0099FF;
STICKLINE(主异动,0,60,1.8,0)COLORAA00AA,COLOR0099FF;
STICKLINE(主异动,0,60,1.2,0)COLORBB00BB,COLOR0099FF;
STICKLINE(主异动,0,60,0.6,0)COLORCC00CC,COLOR0099FF;
STICKLINE(主异动,0,60,0.1,0)COLORDD00DD,COLOR0099FF;
STICKLINE(主诱空,0,30,3.0,0)COLOR100044;
STICKLINE(主诱空,0,30,2.4,0)COLOR100066;
STICKLINE(主诱空,0,30,1.8,0)COLOR100088;
STICKLINE(主诱空,0,30,1.2,0)COLOR1000AA;
STICKLINE(主诱空,0,30,0.6,0)COLOR1000CC;
STICKLINE(主诱空,0,30,0.1,0)COLORLIRED;
GSZJ6:=34;
GSZJ7:=1;
GSZJ8:=REF(LLV(L,GSZJ6),GSZJ7);
GSZJ9:=REFDATE(GSZJ8,DATE);
马动起:IF(CROSS(GSZJ2,GSZJ1),100,0),COLORDD00DD,NODRAW;
STICKLINE(马动起,0,80,3.0,0)COLOR0044AA,COLORDD00DD;
STICKLINE(马动起,0,80,2.4,0)COLOR0055BB,COLORDD00DD;
STICKLINE(马动起,0,80,1.8,0)COLOR0066CC,COLORDD00DD;
STICKLINE(马动起,0,80,1.2,0)COLOR0077DD,COLORDD00DD;
STICKLINE(马动起,0,80,0.6,0)COLOR0088EE,COLORDD00DD;
STICKLINE(马动起,0,80,0.1,0)COLOR0099FF,COLORDD00DD;
起爆:IF(GSZJ9=L AND ((C-L)>(0-C) OR (O-L)>(C-O)),45,0),LINETHICK2,COLORYELLOW;
DRAWTEXT(GSZJ9=L AND ((C-L)>(0-C) OR (O-L)>(C-O)),41,'←起爆')COLORYELLOW;
