OBL1线开始上拐_策略投资破解

下面公式，如何表示OBL1线开始上拐？ 想选上OBL1线开始上拐的股票

{N1=20 N2=3 N3=5}

N1:=20 ;

N2:=3 ;

N3:=5;

OBVN:=SUM(IF(CLOSE>REF(CLOSE,1),VOL,IF(CLOSE<REF(CLOSE,1),-VOL,0)),0);

MID:=MA(OBVN,N1);

UPPER:=MID+2*STD(OBVN,N1);

LOWER:=MID-2*STD(OBVN,N1);

OBL1:=(OBVN-LOWER)/(UPPER-LOWER)*100,COLORGRAY;

OBL2:=EMA(OBL1,N2),COLORRED;

OBL3:=EMA(OBL2,N3),COLOR00DDDD;

 

解答如下：

N1:=20 ;

N2:=3 ;

N3:=5;

OBVN:=SUM(IF(CLOSE>REF(CLOSE,1),VOL,IF(CLOSE<REF(CLOSE,1),-VOL,0)),0);

MID:=MA(OBVN,N1);

UPPER:=MID+2*STD(OBVN,N1);

LOWER:=MID-2*STD(OBVN,N1);

OBL1:=(OBVN-LOWER)/(UPPER-LOWER)*100;

REF(OBL1,2)>REF(OBL1,1) AND OBL1>REF(OBL1,1);