牛熊持股公式为选股公式，通达信的
2019/12/2 19:02:43
公式编写说明：
VAR1:=(100 - ((90 * (HHV(HIGH,21) - CLOSE)) / (HHV(HIGH,21) - LLV(LOW,21))));VAR2:=(100 - ((90 * (HHV(HIGH,21) - CLOSE)) / (HHV(HIGH,21) - LLV(LOW,21))));VAR3:=(100 - MA(((100 * (HHV(HIGH,6) - CLOSE)) / (HHV(HIGH,6) - LLV(LOW,6))),34));DRAWICON(CROSS(VAR2,MA(VAR3,6)),(LOW * 0.97),8);DRAWICON(CROSS(MA(VAR3,6),VAR1),(HIGH * 1.05),9);DRAWTEXT(CROSS(VAR2,MA(VAR3,6)),(LOW * 0.97),'●买'),colorGreen,linethick1;DRAWTEXT(CROSS(MA(VAR3,6),VAR1),(HIGH * 1.05),'▼减仓'),colorYellow,linethick1;牛熊线:EMA(MA(CLOSE,3),34),COLORFF00FF,LINETHICK2;STICKLINE(C<牛熊线 AND C>O,C,O,5,1),COLORffff00;STICKLINE(C<牛熊线 AND C<=O,C,O,5,1),COLORffff00;STICKLINE(C<牛熊线 AND C<=O,H,L,0,1),COLORffff00;STICKLINE(C<牛熊线 AND C>O,C,H,0,1),COLORffff00;STICKLINE(C<牛熊线 AND C>O,O,L,0,1),COLORffff00;TY:=C;A1:=REF(TY,10)=HHV(TY,2*10+1); B1:=FILTER(A1,10); C1:=BACKSET(B1,10+1); HD:=FILTER(C1,10);A2:=REF(TY,10)=LLV(TY,2*10+1); B2:=FILTER(A2,10); C2:=BACKSET(B2,10+1); LD:=FILTER(C2,10);A:=REF(C,BARSLAST(HD));Z:=REF(L,BARSLAST(LD));T1:=BARSLAST(HD)<BARSLAST(LD) AND NOT(HD) ;T2:=BARSLAST(HD)>BARSLAST(LD) AND NOT(LD);波段头:IF(T1,A,A),COLORYELLOW,LINETHICK2,POINTDOT;波段底:IF(T2,Z,Z),COLORWHITE,LINETHICK2,POINTDOT;
公式源码回答：
VAR2:=(100 - ((90 * (HHV(HIGH,21) - CLOSE)) / (HHV(HIGH,21) - LLV(LOW,21))));
VAR3:=(100 - MA(((100 * (HHV(HIGH,6) - CLOSE)) / (HHV(HIGH,6) - LLV(LOW,6))),34));
X:CROSS(VAR2,MA(VAR3,6)),;
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