|
PureBytes Links
Trading Reference Links
|
Jayson,
Thank you very much for your time. I will look at the Powerscan
tool and study your translations.
Jim
---------------------------------------------------------------------
--- In amibroker@xxxxxxxxxxxxxxx, "Jayson" <jcasavant@xxxx> wrote:
> Jim,
>
> I will translate for you but will also recommend that you have a
look at a
> great product developed by William Peters called Powerscan
> (http://www.amitools.com) You may find this tool to greatly
shorten the
> learning curve in writing AFL.....
>
> See my translation between lines
>
> Regards,
> Jayson
> -----Original Message-----
> From: Jim [mailto:bankedout@x...]
> Sent: Sunday, February 08, 2004 1:25 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Cutting off volume spikes
>
>
> Jayson,
>
> I see my error in adding parentheses at the wrong spots with the
> Plotcolor= line. Your's works like a charm. As usual....
>
> I changed the 2's to 4's and this again is very close to what I
> want. Perhaps this is the best I can hope for.
>
> I stare at the code you have written, and try to translate it into
> English. I have Great difficulties with this task. I can see
> myself asking more questions in the future, until I become fluent
in
> AFL. Perhaps one other favor could help me. If you could please
> translate the AFL code you have written line by line to English,
> that would be great. As an example:
>
> Vol_Avg = MA(V,30);
>
> --In English Vol_Avg is the moving average value for Volume over
the
> past 30 bars. That one I understand.
>
> Yup
>
> PlotColor= IIf(V > (2*Vol_Avg),colorBlue,IIf(C > O AND C > Ref(C,-
> 1),colorBrightGreen, IIf(C < O AND C < Ref(C,-1), colorRed,
> colorYellow)));
>
> --In English, If Volume is greater than two times the average
> volume, color the volume bar blue. If the Closing price is greater
> than the Open price and the Closing price is greater than the prior
> Closing price, color the volume bar bright green. If the Closing
> price is less than the Open price and the Closing price is less
than
> the prior Closing price, color the volume bar red. If none of
these
> conditions exist, color the volume bar yellow.
>
> You got it
>
> X=Ref(HHV(V,Param("Look back",30,10,200,1)),-1);
>
> X= the previous highest high value of volume. Param allows you to
adjust the
> look back value for the HHV. In this case the default value is 30,
the
> minimum is 10, the max is 200 and you may make adjustments 1 digit
at a
> time........
>
> --In English? X is one bar ago, the highest high value of Volume,
> decided by User? I don't know.
>
> PlotVol = IIf(V < (2*Vol_Avg),V,x);
>
> Plotvol= if volume is < 2 times the vol_avg plot volume else plot x
>
> --In English? PlotVol is If Volume is less than double the
average
> volume, ......?
>
> Plot( PlotVol,"Volume", Plotcolor,styleHistogram|styleThick);
>
> --In English? Plot PlotVol , name it Volume, Use the coloring
> scheme described above, plot it as a histogram with thick style.
>
> I guess the main problem is that I don't understand X or PlotVol.
>
> If volume is greater than 2 times the vol_avg then we replace the
volume bar
> with the last highest high value of Vol (This should be the top of
the chart
> as you once requested) to alert us to the fact the bar is adjusted
we have
> colored it blue...
>
> My questions are: What decides which Volume bars will be cut off?
> Maybe we are chopping off just the 2*Vol_Avg? Since those are
being
> colored blue? That's what I wanted originally to have some way to
> tell by a glance which bars have been chopped off.
>
> I really wish I could grasp this for myself. I would prefer not to
> ask for help. If you could write a book teaching me AFL, I would
> buy it.
>
> William did one better! have a look at his program
>
> In answer to your question, I plot 210 bars on my charts. If I'm
> looking at Daily data, I see about 10 months of trading, if I'm
> looking at weekly data, I see about 4 years of data, if I'm looking
> at Monthly data, I see about 17 years of data.
>
> By RT clicking the indicator and choosing "Parameters" you will be
able to
> visually adjust the the look back period and fine tune the chart.
>
> Thank you for all of your help.
>
> Stay with it. While AFL may seem daunting at first you will find
it to be
> far easier in short order...
>
>
> jayson
>
> Jim
>
> My code is below:
>
> Vol_Avg = MA(V,30);
>
> PlotColor= IIf(V > (4*Vol_Avg),colorBlue,IIf(C > O AND C > Ref(C,-
> 1),colorBrightGreen, IIf(C < O AND C < Ref(C,-1), colorRed,
> colorYellow)));
>
> X=Ref(HHV(V,Param("Look back",30,10,200,1)),-1);
>
> PlotVol = IIf(V < (4*Vol_Avg),V,x);
>
> Plot( PlotVol,"Volume", Plotcolor,styleHistogram|styleThick);
>
> Title= EncodeColor (colorWhite) + Name () + " " + WriteIf(Interval
()
> ==86400,"Daily",WriteIf(Interval()==432000,"Weekly",WriteIf
(Interval
> ()==2160000,"Monthly","")))+ EncodeColor(colorDefault) + " Volume "
> + WriteVal (V, 1.0) + " " + WriteVal(DateTime(), formatDateTime );
> -------------------------------------------------------------------
--
> --- In amibroker@xxxxxxxxxxxxxxx, "Jayson" <jcasavant@xxxx> wrote:
> > Jim,
> > the 30 in vol_avg is the 30 day moving average of volume. Not
sure
> why you
> > are using ref here which references yesterdays value but it was
in
> the
> > original code. The 30 in X refers to the look back of the HHV
> (highest high
> > value of volume over the last 30 bars).
> >
> > The number of look back days in the HHV function is not based on
> the number
> > of default bars you load (you said 210) but more on the number of
> bars you
> > generally VIEW, If you like to see 3 months of data then set your
> HHV value
> > to around 60. Better yet I will add a param statement that allows
> you to
> > easily ,make adjustments. just RT click the indicator and choose
> Param to
> > adjust the setting
> >
> > The errors are caused by misplacements of the brackets. Try
> this....
> >
> > Regards,
> > Jayson
> >
> > Vol_Avg = MA(V,30);
> > PlotColor= IIf(V > (2*Vol_Avg),colorBlue,IIf(C > O AND C > Ref
(C,-
> > 1),colorBrightGreen, IIf(C < O AND C < Ref(C,-1), colorRed,
> > colorYellow)));
> > X=Ref(HHV(V,Param("Look back",30,10,200,1)),-1);
> > PlotVol = IIf(V < (2*Vol_Avg),V,x);
> > Plot( PlotVol,"Volume", Plotcolor,styleHistogram|styleThick);
> >
> >
> > -----Original Message-----
> > From: Jim [mailto:bankedout@x...]
> > Sent: Friday, February 06, 2004 2:13 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Re: Cutting off volume spikes
> >
> >
> > Jayson,
> >
> > This is much closer to what I want. If I change the 2's to 4's,
> > that's what I had in mind. Can you explain what the 30's are
> > describing? As a reference, I have default number of quotations
> per
> > chart set at 210.
> >
> > Now, I tried to retain my original bar coloring scheme, and add
to
> > it bars which would be colored blue if your conditions were true.
> I
> > got error messages all over the place. Here's what I created:
> >
> > Vol_Avg = Ref(MA(V,30),-1);
> >
> > PlotColor= IIf(V > (4*Vol_Avg),colorBlue,IIf(C > O AND (C > Ref
(C,-
> > 1))),colorBrightGreen, IIf(C < O AND (C < Ref(C,-1))), colorRed,
> > colorYellow);
> >
> > X=Ref(HHV(V,30),-1);
> >
> > PlotVol = IIf(V < (4*Vol_Avg),V,x);
> >
> > Plot( PlotVol,"Volume", Plotcolor,styleHistogram|styleThick);
> >
> > The problem is in the PlotColor= line I think. I want the volume
> > bars to be BrightGreen if the Closing Price is greater than the
> > Opening price AND the Closing price is greater than the prior
> > Closing price
> >
> > I want the volume bars to be colored Red if the Closing Price is
> > less than the Open price AND the Closing price is less than the
> > prior Closing price.
> >
> > I want the volume bars to be colored Blue if they are chopped
off.
> >
> > I want all other volume bars to be colored Yellow.
> >
> > Is that possible? That's what I was trying to tell it when I
> > changed your PlotColor= line....
> >
> > Thanks for your help.
> >
> > Jim
> > -----------------------------------------------------------------
--
> --
> > --- In amibroker@xxxxxxxxxxxxxxx, "Jayson" <jcasavant@xxxx>
wrote:
> > > Jim,
> > > Instead of the vol average you could use the most recent HHV.
In
> > my example
> > > I used 30 bars but depending on how many bars you generally
view
> > that could
> > > be adjusted. I also suspect there would be a way to calculate
the
> > number of
> > > bars you are viewing with status("barvisible") but this should
> get
> > you
> > > started....
> > >
> > > Regards,
> > > Jayson
> > >
> > > Vol_Avg = Ref(MA(V,30),-1);
> > > PlotColor= IIf(V > (2*Vol_Avg),colorYellow,IIf(Close >
> > > Open,colorBlue,colorRed));
> > > X=Ref(HHV(V,30),-1);
> > > PlotVol = IIf(V < (2*Vol_Avg),V,x);
> > >
> > > Plot( PlotVol,"Volume", Plotcolor,styleHistogram|styleThick);
> > >
> > > -----Original Message-----
> > > From: Jim [mailto:bankedout@x...]
> > > Sent: Thursday, February 05, 2004 4:49 PM
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Subject: [amibroker] Re: Cutting off volume spikes
> > >
> > >
> > > I wish I could say that the problem is solved, but that's not
> > > exactly what I had in mind. As an example, use Ticker ABBK
> Plot a
> > > daily periodicity chart. Maybe 1 year in length. Apply this
> code
> > > for volume:
> > >
> > > //Volume chart
> > >
> > > col=IIf(C>O AND Close>Ref(C,-1),colorBrightGreen,IIf(C<Open AND
> > C<Ref
> > > (C,-1),colorRed,colorYellow));
> > >
> > > Plot( V, "Volume", col, styleHistogram | styleThick );
> > >
> > > Title= EncodeColor (colorWhite) + Name () + " " + WriteIf
> (Interval
> > ()
> > > ==86400,"Daily",WriteIf(Interval()==432000,"Weekly",WriteIf
> > (Interval
> > > ()==2160000,"Monthly","")))+ EncodeColor(colorDefault) + "
> Volume "
> > > + WriteVal (V, 1.0) + " " + WriteVal(DateTime(),
> formatDateTime );
> > >
> > > Look at the volume for 10/21/2003 as compared to the rest of
the
> > > volume bars on the chart. It's about twice as tall as
6/13/2003
> > and
> > > 1/26/2004 volume.
> > >
> > > I would like to have maybe the volume of about 6/13/2003 be the
> top
> > > of my chart. I want 10/21/2003 to be cut off. Maybe that's
what
> > > you mean by truncated. 10/21/2003's volume should hit the top
of
> > > the chart like 6/13/2003's volume. I would then like the bar
> which
> > > is chopped off to be marked from the rest. Maybe color it blue
> or
> > > something, or plot an arrow pointing to it.
> > >
> > > Is this possible? Thanks in advance.
> > >
> > > Jim
> > > ---------------------------------------------------------------
--
> --
> > --
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Ara Kaloustian" <ara1@xxxx>
> > wrote:
> > > > Jim Try This... I had the exact same issue
> > > > This will color the truncated vol bars yellow
> > > > Vol = Volume / 1000;
> > > >
> > > > Vol_Avg = Ref(MA(Vol,30),-1);
> > > >
> > > > PlotColor= IIf(Vol > (2*Vol_Avg),colorYellow,IIf(Close >
> > > > Open,colorBlue,colorRed));
> > > >
> > > > PlotVol = IIf(Vol < (2*Vol_Avg),Vol,(Vol_Avg));
> > > >
> > > > Plot( PlotVol,"Volume", Plotcolor,styleHistogram|styleThick);
> > > >
> > > > ----- Original Message -----
> > > > From: "Jim" <bankedout@xxxx>
> > > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > > Sent: Thursday, February 05, 2004 10:40 AM
> > > > Subject: [amibroker] Cutting off volume spikes
> > > >
> > > >
> > > > > Hello,
> > > > >
> > > > > I was wondering if I can do this. I tried searching the
> > > archives,
> > > > > but I didn't know what to search for I guess. On a volume
> > chart,
> > > > > let's say the average volume on a stock is maybe 100,000
per
> > day.
> > > > >
> > > > > One day there is volume of 20,000,000 After that day,
volume
> > > goes
> > > > > back to normal.
> > > > >
> > > > > Now the "regular" volume looks squished on the chart.
> > > > >
> > > > > Is there a way to cut off the super volume spike to make it
> > look
> > > > > big, but still let me see the regular bars in some
detail? I
> > > hope I
> > > > > am describing this correctly. Maybe a way to indicate to
me
> > > that it
> > > > > has been cut off as well. Otherwise I will never know that
> it
> > > was
> > > > > really that big unless I click on it.
> > > > >
> > > > > In searching the archives I solved one of my problems. In
> the
> > > built
> > > > > in price charts, there is empty space at the top and bottom
> of
> > > the
> > > > > chart to allow for the Title text to display at the top or
> > > > > whatever. The code for that is:
> > > > >
> > > > > GraphXSpace = 7; //Empty space at top and bottom of chart
> > > > >
> > > > > The bigger the number, the bigger the space. I hope that
> helps
> > > > > someone else.
> > > > >
> > > > > Jim
>
>
>
> Send BUG REPORTS to bugs@xxxx
> Send SUGGESTIONS to suggest@xxxx
> -----------------------------------------
> Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> --------------------------------------------
> Check group FAQ at:
> http://groups.yahoo.com/group/amibroker/files/groupfaq.html
>
>
>
>
> -------------------------------------------------------------------
---------
> ----
>
> Yahoo! Groups Links
>
> a.. To visit your group on the web, go to:
> http://groups.yahoo.com/group/amibroker/
>
> b.. To unsubscribe from this group, send an email to:
> amibroker-unsubscribe@xxxxxxxxxxxxxxx
>
> c.. Your use of Yahoo! Groups is subject to the Yahoo! Terms of
Service.
Send BUG REPORTS to bugs@xxxxxxxxxxxxx
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
-----------------------------------------
Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
(Web page: http://groups.yahoo.com/group/amiquote/messages/)
--------------------------------------------
Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/amibroker/
<*> To unsubscribe from this group, send an email to:
amibroker-unsubscribe@xxxxxxxxxxxxxxx
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|