这个主图用圆弧将这波下跌圈起来，让您更直观感受这波股灾的凶猛。圆弧中心标注这一波高点到低点的区间跌幅，圆弧完成画线后，预示股市走入正规，看看有多少强势股率先突破圆弧中心线？
{主图}
A:=CURRBARSCOUNT;
HA:=IF(BETWEEN(DATE,1150601,1150630),H,-999);
T:=HHVBARS(HA,0);
TT:=BARSLAST(L=LLV(L,T+1));
T1:=BARSLAST(A=CONST(TT)+1);
T2:=BARSLAST(A=CONST(T)+1);
GT:=CONST(T2)+1;
DT:=CONST(T1)+1;
AA:=DRAWLINE(A=GT,H,A=DT,L,0);
DRAWBAND(AA,RGB(69,139,0),AA,RGB(69,139,0));
HH:=CONST(REF(L,BARSLAST(A=DT+1)));
LL:=CONST(REF(H,BARSLAST(A=GT+1)));
JJ:=HH-LL;
TJ:=ABS(GT-DT);
PT:=TJ/2+MIN(GT,DT);
PJ:=(HH+LL)/2;
LJ:=HH*LL;
BT:=2*LJ/TJ;
BJ:=LJ/JJ;
TJA:=IF(A<PT,PT-A,A-PT)*BT;
TJB:=IF(TJA<LJ,SQRT(LJ*LJ-TJA*TJA),0)/BJ;
XH:IF(DT<GT,PJ+TJB,PJ-TJB),COLORMAGENTA;
SH:IF(DT<GT,PJ-TJB,PJ+TJB),COLORMAGENTA;
XG1:=COUNT(CROSS(C,SH),T1+1)=1 AND CROSS(C,SH) AND A<DT;
TB:=A=ROUND((GT+DT)/2);{www.goodgupiao.com}
ZF:=(REF(C,T1)-REF(C,T2+1))/REF(C,T2+1)*100;
DRAWTEXT(TB,AA,VARCAT(VARCAT('跌幅：',VAR2STR(CONST(ZF),2)),'%')),COLORGREEN;
DRAWTEXT(A=DT-1,SH*1.02,VARCAT(VARCAT('突破价：',VAR2STR(SH,2)),'元')),COLORYELLOW;
STICKLINE(XG1,L,H,0,0),COLOR0088EE;
STICKLINE(XG1,CLOSE,OPEN,3,0),COLOR0055AA;
STICKLINE(XG1,CLOSE,OPEN,2.8,0),COLOR0066BB;
STICKLINE(XG1,CLOSE,OPEN,2.5,0),COLOR0077CC;
STICKLINE(XG1,CLOSE,OPEN,2.2,0),COLOR0088DD;
STICKLINE(XG1,CLOSE,OPEN,1.7,0),COLOR0099EE;
STICKLINE(XG1,CLOSE,OPEN,1.2,0),COLOR00AAFF;
STICKLINE(XG1,CLOSE,OPEN,0.7,0),COLOR00CCFF;
STICKLINE(XG1,CLOSE,OPEN,0.2,0),COLOR00FFFF;
{幅图}
A:=CURRBARSCOUNT;
HA:=IF(BETWEEN(DATE,1150601,1150630),H,-999);
T:=HHVBARS(HA,0);
TT:=BARSLAST(L=LLV(L,T+1));
T1:=BARSLAST(A=CONST(TT)+1);
T2:=BARSLAST(A=CONST(T)+1);
GT:=CONST(T2)+1;
DT:=CONST(T1)+1;
AA:=DRAWLINE(A=GT,H,A=DT,L,0);
HH:=CONST(REF(L,BARSLAST(A=DT+1)));
LL:=CONST(REF(H,BARSLAST(A=GT+1)));
JJ:=HH-LL;
TJ:=ABS(GT-DT);
PT:=TJ/2+MIN(GT,DT);
PJ:=(HH+LL)/2;
LJ:=HH*LL;
BT:=2*LJ/TJ;
BJ:=LJ/JJ;
TJA:=IF(A<PT,PT-A,A-PT)*BT;
TJB:=IF(TJA<LJ,SQRT(LJ*LJ-TJA*TJA),0)/BJ;
SH:=IF(DT<GT,PJ-TJB,PJ+TJB);
XG:=COUNT(CROSS(C,SH),T1+1)=1 AND CROSS(C,SH) AND A<DT;
STICKLINE(XG,0,8,1.5,0),COLORYELLOW;
{选股}
A:=CURRBARSCOUNT;
HA:=IF(BETWEEN(DATE,1150601,1150630),H,-999);
T:=HHVBARS(HA,0);
TT:=BARSLAST(L=LLV(L,T+1));
T1:=BARSLAST(A=CONST(TT)+1);
T2:=BARSLAST(A=CONST(T)+1);
GT:=CONST(T2)+1;
DT:=CONST(T1)+1;
AA:=DRAWLINE(A=GT,H,A=DT,L,0);
HH:=CONST(REF(L,BARSLAST(A=DT+1)));
LL:=CONST(REF(H,BARSLAST(A=GT+1)));
JJ:=HH-LL;
TJ:=ABS(GT-DT);
PT:=TJ/2+MIN(GT,DT);
PJ:=(HH+LL)/2;
LJ:=HH*LL;
BT:=2*LJ/TJ;
BJ:=LJ/JJ;
TJA:=IF(A<PT,PT-A,A-PT)*BT;
TJB:=IF(TJA<LJ,SQRT(LJ*LJ-TJA*TJA),0)/BJ;
SH:=IF(DT<GT,PJ-TJB,PJ+TJB);
XG:COUNT(CROSS(C,SH),T1+1)=1 AND CROSS(C,SH) AND A<DT;
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