发一个很牛的主图公式，选股持股不用愁：粉红线是操作线，粉红线变绿一定要先卖出，等粉红线变红再买入。中间大红线为波段操作线，红色持股灰色持币，以此操作赢多亏少。

DRAWTEXT_FIX(C>0,0,0.9,0,DYBLOCK),COLORYELLOW;
DRAWTEXT_FIX(1,0,0.85,0,EXTERNSTR(0,1)),COLORMAGENTA;
DRAWTEXT_FIX(1,0.045,0.9,0,EXTERNSTR(0,2)),COLORWHITE;
DRAWTEXT_FIX(1,0,1,0,EXTERNSTR(0,3)),COLORYELLOW;
QUSHI:=REF(EMA(C,10),1);
A1X:=(EMA(C,11)-QUSHI)/QUSHI*100;
CHIBI:=IF(A1X>=0,REF(EMA(C,10),BARSLAST(CROSS(A1X,0))+1),DRAWNULL);
CHIGU:=IF(A1X<0,REF(EMA(C,10),BARSLAST(CROSS(0,A1X))+1),DRAWNULL);
STICKLINE(A1X>=0,CHIBI,QUSHI,1,0),COLOR9966CC;
STICKLINE(A1X<0,CHIGU,QUSHI,1,0),COLOR993333;
A1:=EMA(CLOSE,13)-EMA(CLOSE,55);
A2:=EMA((0.618*REF(A1,1)+0.382*A1),3);
STICKLINE(A1>=A2,H,L,0,0),COLOR00FFFF;
STICKLINE(A1>=A2,O,C,-1,0),COLOR0099DD;
STICKLINE(A1>=A2,O,C,2,0),COLOR00ABEE;
STICKLINE(A1>=A2,O,C,1,0),COLOR00DDFF;
STICKLINE(A1>=A2,O,C,0.1,0),COLOR00FFFF;
STICKLINE(A1 STICKLINE(A1 STICKLINE(A1 STICKLINE(A1 STICKLINE(A1 P1:=EMA((CLOSE-LLV(LOW,55))/(HHV(HIGH,55)-LLV(LOW,55))*100,5);
P2:=(HHV(HIGH,55)-LLV(LOW,55))/EMA((CLOSE-LLV(LOW,55)),5);
P3:=CROSS(P2,P1);
P4:=REF(P2,2) P5:=COUNT(P3,7)>0 AND P4;
P6:=3*SMA((CLOSE-LLV(LOW