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Barssince starts at zero and counts from there
If you want to include in the Sum the bar that barssince is counting from
you need to add 1 to the barssince value
Cumvol = IIf(CountWhile,Sum(V,BarsSince(begvol)+1),0);
--
Cheers
Graham
AB-Write >< Professional AFL Writing Service
Yes, I write AFL code to your requirements
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On 10/12/06, Terry <MagicTH@xxxxxxxxxxx> wrote:
>
> Or just make the begval 1 minute sooner...
>
> begvol = TimeNum() == 093400;
> --
> Terry
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On
> Behalf
> Of mjarvis999
> Sent: Saturday, December 09, 2006 20:35
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Cumulative Volume Indicator
>
> The interesting thing is the first bar is not added to the cumvol,
> when using flip. This is the cumulative volume script that I use.
>
> D = Day();
> CV[0]=V[0];
> for(i=1;i<BarCount;i++)
> {if(D[i] == D[i-1])
> {CV[i]=V[i]+CV[i-1];
> }
> else
> {CV[i]=V[i];
> }
> }
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Terry" <MagicTH@xxx> wrote:
> >
> > Interesting results:
> >
> > begvol = TimeNum() == 093500;
> > endvol = TimeNum() == 114500;
> > CountWhile = Flip(begvol,endvol);
> > Cumvol = IIf(CountWhile,Sum(V,BarsSince(begvol)),0);
> >
> > Plot(Cumvol,"cumvol",1);
> >
> > --
> > Terry
> >
> > -----Original Message-----
> > From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]
> On Behalf
> > Of Eric and Christy Wagner
> > Sent: Saturday, December 09, 2006 16:23
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Cumulative Volume Indicator
> >
> > I am trying to create a cumulative volume indicator based upon
> > certain times during the day. For example, I would like to know
> > the premarket volume of spy from 8amEST to 092000 EST. This would
> > be cumulative from 8 to 9:20 and then it would go to 0 and start
> > over every day from 0 at 8AM EST. This is what I have so far:
> >
> > Sumvol = Cum(V);
> > begvol = TimeNum() == 093500;
> > endvol = TimeNum() == 114500;
> >
> > cumvol = IIf(TimeNum() >= begvol AND TimeNum()<= endvol, Sumvol,0);
> >
> > When I plot this I get a blank window. Would anyone like to help me
> > out?
> >
> > Thanks
> > Eric
> >
> >
> >
> >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroker.com/devlog/
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> > Yahoo! Groups Links
> >
>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
> Yahoo! Groups Links
>
>
>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
> Yahoo! Groups Links
>
>
>
>
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