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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:
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>
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>
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