金融证券系统

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Time Frame Weekly Bars.afl：源码内容

							//------------------------------------------------------------------------------
//
//  Formula Name:    Time Frame Weekly Bars
//  Author/Uploader: Anthony Faragasso 
//  E-mail:          ajf1111@epix.net
//  Date/Time Added: 2002-09-21 19:57:33
//  Origin:          
//  Keywords:        
//  Level:           medium
//  Flags:           indicator
//  Formula URL:     http://www.amibroker.com/library/formula.php?id=223
//  Details URL:     http://www.amibroker.com/library/detail.php?id=223
//
//------------------------------------------------------------------------------
//
//  WEEKLY PRICE ARRAY : The close is the close of the last day of the week:
//
//  (WeeklyClose) The open is the open of the first day of the week:
//  (WeeklyOpen) The high is
//
//  the highest high of the week : (WeeklyHigh) The low is the lowest low of
//  the week :
//
//  (WeeklyLow ) The volume is the sum of the volume for the Week.
//
//------------------------------------------------------------------------------
//Time Frame Weekly Bars
//Coded by Anthony Faragasso
//Ver. 1.01, Update#1
//Credit to Tomasz for some Help 
weekstart = DayOfWeek() < Ref( DayOfWeek(), -1 );
weekend = DayOfWeek() > Ref( DayOfWeek(),1);
/**Establish weekly Price Arrays**/
WeeklyOpen=ValueWhen(DayOfWeek()< Ref(DayOfWeek(),-1) ,Open);
WeeklyHigh = ValueWhen( weekend, HighestSince( weekstart, High ) );
WeeklyLow = ValueWhen( weekend, LowestSince( weekstart, Low ) );
WeeklyClose=ValueWhen(DayOfWeek() > Ref( DayOfWeek(),1),Close);
WeeklyVolume=ValueWhen(DayOfWeek() > Ref(DayOfWeek(),1),Sum(V,5));
Plot(WEEKLYHIGH,"WkHIGH",colorRed,styleLine);
Plot(WEEKLYLOW,"WkLOW",colorGreen,styleLine);
Plot(WEEKLYOPEN,"WkOPEN",colorBlue,styleLine);
Plot(WEEKLYCLOSE,"WkCLOSE",colorYellow,styleLine);
Plot(Close,"CLOSE",colorBlack,styleCandle);
//Plot(weeklyvolume,"WkVOL",colorOrange,styleLine);

						