在公式（主力进退）的B点做个选股公式
2020/7/12 19:09:58
公式编写说明：
VAR1:=((HHV(H,21)-C)/(HHV(H,21)-LLV(L,21)))*100-10;VAR2:=((C-LLV(L,21))/(HHV(H,21)-LLV(L,21)))*100;VAR3:=SMA(VAR2,13,8);VAR4:=SMA(VAR1,21,8);X:=CEILING(SMA(VAR3,13,8));底:IF((X-VAR4<(-65)),1,6),COLOR00FF00;顶:IF((X-VAR4>85),95,100),COLORF0F000;RSV:= (CLOSE-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21))*100;FASTK:=SMA(RSV,7,1);K:SMA(FASTK,7,1),LINETHICK5;D:SMA(K,9,1),COLORYELLOW;STICKLINE(K>D,K,D,6,0),COLORRED;STICKLINE(K<D,K,D,2,0),COLORWHITE;强弱分界线: 50,POINTDOT, COLORF00FF0;VAR1X:=IF(MONTH<12,1,1);VAR3X:=(2*CLOSE+HIGH+LOW)/4;VAR4X:=LLV(LOW,34);VAR5X:=HHV(HIGH,34);主力进退线:EMA((VAR3X-VAR4X)/(VAR5X-VAR4X)*100,13)*VAR1X,LINETHICK2,COLORRED;DRAWTEXT(CROSS(主力进退线,D),D,'B'),COLORRED;DRAWTEXT(CROSS(D,主力进退线),D,'S'),COLORYELLOW;
公式源码回答：
RSV:=(CLOSE-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21))*100;
FASTK:=SMA(RSV,7,1);
K:=SMA(FASTK,7,1),LINETHICK5;
D:=SMA(K,9,1),COLORYELLOW;
VAR1X:=IF(MONTH<12,1,1);
VAR3X:=(2*CLOSE+HIGH+LOW)/4;
VAR4X:=LLV(LOW,34);
VAR5X:=HHV(HIGH,34);
主力进退线:=EMA((VAR3X-VAR4X)/(VAR5X-VAR4X)*100,13)*VAR1X;
CROSS(主力进退线,D);
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