通达信主力成本引力指标公式

{指标介绍：当引力值向上突破回归线，且当前价格位于VWAP上方时，表明多头动能占优，出现向上回归信号，可作为顺势看多或买入的参考；反之，当引力值向下击穿回归线，且价格处于VWAP下方时，表明空头主导，出现向下回归信号，应警惕风险并考虑减仓或做空。此外，通过观察引力值在零轴上下的红绿柱状体变化，可直观判断当前市场的趋势强弱与动能方向。}

N:=30; M:=20;
{ 1. 主力成本线（成交量加权均价）}
VWAP:=SUM(C*vol,N)/SUM(VOL,N);
{2. 引力强度（偏离程度)}
DEVIATION:=(CLOSE-VWAP)/VWAP*100;
GRAVITY:=EMA(DEVIATION,M);
{3. 能量积累（准备突破）}
eneRGY:=SUM(IF(C>O,VOL,0),M)-SUM(IF(C<O,VOL,0),M);
ENERGY_NORM:=ENERGY/MA(VOL,M);
{ 4. 引力场信号 }
FIELD_SIG:=GRAVITY*ENERGY_NORM;
FIELD_WAVE:=EMA(FIELD_SIG,3)-EMA(FIELD_SIG,13);
{ 5. 回归线 }
RETURN_LINE:=EMA(FIELD_WAVE,8);
{绘图 }
引力值:FIELD_WAVE,COLORWHITE,LINETHICK2;
回归线:RETURN_LINE,COLORGREEN,DOTLINE;
零轴:0,COLORGRAY;
STICKLINE(FIELD_WAVE>RETURN_LINE AND FIELD_WAVE>0,
0,FIELD_WAVE,2,0),COLORMAGENTA;
STICKLINE(FIELD_WAVE<RETURN_LINE AND FIELD_WAVE<0,
0,FIELD_WAVE,2,0),COLORCYAN;
{ 引力反转信号 }
GRAV_REV_UP:=crOSS(FIELD_WAVE,RETURN_LINE) AND CLOSE>VWAP;
GRAV_REV_DN:=CROSS(RETURN_LINE,FIELD_WAVE) AND CLOSE<VWAP;
DRAWICON(GRAV_REV_UP,FIELD_WAVE,1);
DRAWICON(GRAV_REV_DN,FIELD_WAVE,2);
{实战提示}
DRAWTEXT(GRAV_REV_UP,FIELD_WAVE,'回归↑'),COLORRED;
DRAWTEXT(GRAV_REV_DN,FIELD_WAVE,'回归↓'),COLORGREEN;
{ 成本带 }
DRAWBAND(引力值,RGB(50,50,50),零轴,RGB(20,20,20));