通达信大资金活动 抄底信号准确副图指标公式源码

看过几个类似的公式，都是有未来函数，但是这个公式没有未来函数，抄底信号准确。
出现大资金活动，可以低吸。
VARF:=100-3*SMA((CLOSE-LLV(LOW,65))/(HHV(HIGH,80)-LLV(LOW,65))*100,20,1)+2*SMA(SMA((CLOSE-LLV(LOW,65))/(HHV(HIGH,80)-LLV(LOW,65))*100,20,1),15,1);
VAR19:=100-3*SMA((OPEN-LLV(LOW,65))/(HHV(HIGH,80)-LLV(LOW,65))*100,20,1)+2*SMA(SMA((OPEN-LLV(LOW,65))/(HHV(HIGH,80)-LLV(LOW,65))*100,20,1),15,1);
VAR20:=VARF REF(VAR19,1) AND VOL REF(VOL,1) AND CLOSE REF(CLOSE,1);
大资金活动:IF(VAR20 AND COUNT(VAR20,30)=1,18,0),LINETHICK1,COLORRED;
STICKLINE(VAR20 AND COUNT(VAR20,30)=1,0,15,5,0),COLORRED;
DRAWTEXT(VAR20 AND COUNT(VAR20,30)=1,15,'大资金活动'),COLORRED;

VAR1:=(CLOSE*2+HIGH+LOW)/4*10;
VAR2:=EMA(VAR1,13)-EMA(VAR1,34);
VAR3:=EMA(VAR2,5);
VAR4:=2*(VAR2-VAR3)*5.5;
主力撤: IF(VAR4 =0,VAR4,0),COLORRED;
主力进: IF(VAR4 =0,VAR4,0),COLORGREEN;
VAR5:=(HHV(INDEXH,8)-INDEXC)/(HHV(INDEXH,8)-LLV(INDEXL,8))*8;
VAR6:=EMA(3*VAR5-2*SMA(VAR5,18,1),5);
VAR7:=(INDEXC-LLV(INDEXL,8))/(HHV(INDEXH,8)-LLV(INDEXL,8))*10;
VAR8:=(INDEXC*2+INDEXH+INDEXL)/4;
VAR9:=EMA(VAR8,13)-EMA(VAR8,34);
VARA:=EMA(VAR9,3);
VARB:=(VAR9-VARA)/2;
大盘资金活动: IF(VARB =0,VARB,0);