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hi Suree,
yes the default setting are the settings given by Conway and and Behle (Length = 4). If you use different setting naturally you will get different signals as well.
I bought it using Amazon.com to get their book.
http://www.amazon.com/exec/obidos/tg/detail/-/0971853649/002-9860528-9631218?v=glance
later Ican send you their entry + exit rules to your private address but you will have to program it yourself,
rgds, E
----- Original Message -----
From: suree namsiripongpan
To: amibroker@xxxxxxxxxxxxxxx
Sent: Monday, November 15, 2004 2:27 PM
Subject: Re: [amibroker] Re: visualising rectangles
Dear Ed,
Thanks again for your kindness. I ran your new code
and now better understand the code logic. But my
question is what is the appropriate length and range
factor ? If i use your default setting, i will get the
different rectangle, i.e. the past one. But if i use
8 and 1.5 then i will get the current one. And
luckily, today close, has exceeded the long breakout.
:) That's mean tomorrow, the trend should continue ?!
at least to the next fibonacci level from the previous
trought, i guess.
how can i get the soft copy of 'professional stock
trading' so i can understand the concept behind
clearly, i am afraid i could not find it in my
country....
many thanks one more time :)
--- ed nl <ed2000nl@xxxxxxx> wrote:
> hi Suree,
>
> you could indeed use it in a explore. You need to
> add:
>
> Filter = yon == 1;
> Addcolum(yon,"Rectangle detected");
>
> Then the next day (or bar) you either go long or
> short if it breaks the long breakout level or the
> short breakout level.
>
> If I scan the Nasdaq 100 stocks for today it finds 3
> possible entries. HSIC, JDSU, PAYX. Depending on
> whether the price breaks the breakout levels they
> can be entered as a long or short position. But I
> did not test how good it works in a system. You need
> to have a plan ready where to get out.
>
> Below I added code that includes Explore functions.
> Also I put the rectangles inside the chart. Note
> that multiple adjacent rectangles destort the box
> like shape.
>
> rgds, Ed
>
>
> /*
>
> Rectangle System Development
>
> after: "Professional Stock Trading", M. Conway / A.
> Behle, 2003, pages 106, 107, 108
>
> Edward Pottasch, nov 2004
>
> */
>
> RectangleLength = 4;
> RangeLength = RectangleLength * 3;
> RangeFactor = 1.0;
> RangeRatioLimit = 0.3;
> AtrPeriod = RangeLength;
>
> // rectangle
> hg = HHV(H,RectangleLength);
> lw = LLV(L,RectangleLength);
> HeightRectangle = hg - lw;
>
> // preceding range
> hgp = Ref(HHV(H,RangeLength),RectangleLength * -1);
> lwp = Ref(LLV(L,RangeLength),RectangleLength * -1);
> HeightRangeLength = hgp - lwp;
>
> // aspect ratio
> ar = HeightRectangle / HeightRangeLength;
>
> // ATR
> at = ATR(AtrPeriod);
>
> // decide if it is a rectangle
> yon = IIf(ar < RangeRatioLimit AND HeightRectangle <
> at * RangeFactor, 1, 0);
>
> // breakout level
> long_breakout_level = IIf(yon,yon * hg,Null);
> short_breakout_level = IIf(yon,yon * lw,Null);
>
> // decide about direction
> Buy = IIf(H > Ref(long_breakout_level,-1),1,0);
> BuyPrice = IIf(O > Ref(long_breakout_level,-1), O,
> Ref(long_breakout_level,-1));
> Short = IIf(L < Ref(short_breakout_level,-1),1,0);
> ShortPrice = IIf(O < Ref(short_breakout_level,-1),
> O, Ref(short_breakout_level,-1));
>
> Plot(C,"",colorWhite,64);
>
> PlotShapes(IIf(yon,shapeCircle,0),colorWhite, layer
> = 0, yposition = O, offset = 0 );
> PlotShapes(IIf(Buy,shapeUpArrow,0),colorWhite, layer
> = 0, yposition = BuyPrice, offset = 0 );
>
PlotShapes(IIf(Short,shapeHollowDownArrow,0),colorLightBlue,
> layer = 0, yposition = ShortPrice, offset = 0 );
>
> // visualize the rectangles
> rect_top = null;
> rect_bot = null;
> for (i = 0; i < BarCount; i++) {
>
> if (yon[ i ]) {
>
> for (j = i - RectangleLength + 1; j <= i; j++) {
>
> rect_top[ j ] = hg[ i ];
> rect_bot[ j ] = lw[ i ];
>
> }
>
> }
>
> }
>
> Plot(rect_top,"Long breakout
> level",colorBrightGreen,1);
> Plot(rect_bot,"Short breakout
> level",colorBrightGreen,1);
>
> Filter = yon == 1;
> AddColumn(yon,"Rectangle detected");
> AddColumn(long_breakout_level,"Long Breakout
> Level");
> AddColumn(short_breakout_level,"Short Breakout
> Level");
>
>
> ----- Original Message -----
> From: suree namsiripongpan
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Monday, November 15, 2004 11:21 AM
> Subject: Re: [amibroker] Re: visualising
> rectangles
>
>
> dear ed,
>
>
> last night, i found one stock having rectangle
> pattern
> with up arrow. so i enter today. after market
> close
> today, this stock shows a few gain in my port now
> :))
>
> thanks.
>
> --- ed nl <ed2000nl@xxxxxxx> wrote:
>
> > hi Roger,
> >
> > what I do is
> >
> > 1) right-click mouse anywhere in a chart
> > 2) choose "Edit Formula"
> > 3) Click "Add"
> > 4) Click "Rename" and give it some name
> > 5) Now Load the formula or cut and paste the
> formula
> > in the Indicator Builder"
> > 6) Click "Apply"
> >
> > Now you see this chart appear below or above the
> > other one (you can move these panes around if
> > needed).
> >
> > good luck,
> >
> > ed
> >
> > ----- Original Message -----
> > From: Roger Breedlove
> > To: amibroker@xxxxxxxxxxxxxxx
> > Sent: Sunday, November 14, 2004 11:26 PM
> > Subject: Re: [amibroker] Re: visualising
> > rectangles
> >
> >
> > Hi Ed
> > Hope you can tolerate a newbie question. Do
> you
> > add the second piece of
> > code below the first piece in the same window.
> I
> > don't know how to set it
> > up in AB...... as an indicator or in AA?
> > help appreciated. thanks
> > Roger
> >
> >
> >
> >
> > Check AmiBroker web page at:
> > http://www.amibroker.com/
> >
> > Check group FAQ at:
> >
>
>
http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> >
> >
> >
> > Yahoo! Groups Sponsor
> >
> > Get unlimited calls to
> >
> > U.S./Canada
> >
> >
> >
> >
> >
>
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