stochastic divergence, negative.afl

一个更精度的平滑涵数, 可用于股票交易系统.用于Amibroker 平台

//------------------------------------------------------------------------------
//
//  Formula Name:    Stochastic Divergence, negative
//  Author/Uploader: Dimitris Tsokakis 
//  E-mail:          [e-mail]
//  Date/Time Added: 2001-07-04 04:30:59
//  Origin:          
//  Keywords:        
//  Level:           semi-advanced
//  Flags:           indicator
//  Formula URL:     http://www.amibroker.com/library/formula.php?id=49
//  Details URL:     http://www.amibroker.com/library/detail.php?id=49
//
//------------------------------------------------------------------------------
//
//  A negative Stochastic divergence occurs when the tangent of Stochastic
//  oscillator's graph is descending, whereas the tangent of price's graph is
//  ascending for the same time interval .
//
//  The occurrence of a negative stochastic divergence in overbought area,
//  usually signals a trend reversal,
//
//  especially if it is confirmed by complementary criteria.
//
//------------------------------------------------------------------------------

/*Negative Stochastic divergence for use in 
Indicator Builder and Automatic Analysis (scan mode),
by Dimitris Tsokakis*/

ST33=stochd(14);
TR1=HHVBARS(ST33,4);
TR2=IIF(ST33>70 AND TR1>0 AND REF(TR1,-1)==0,ref(ST33,-1),0);
TRC=IIF(TR2>0,C,0);
vs=valuewhen(tr2, ref(st33,-1), 1);
dvs=vs-ref(vs,-1);
vc=valuewhen(trc, HHV(H,3), 1);
dvc=vc-ref(vc,-1);
diver=iif(dvs<0 and dvc>0,90,0);
DAS=BARSSINCE(REF(TR2,-1)>0);
ddd=IIF(DAS<20 AND C<REF(C,-1),DIVER,0);
GRAPH1=TR2;
graph0=ddd;
graph0barcolor=4;
GRAPH1STYLE=2;
graph1barcolor=1;
SELL=ddd==90;