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Hi!
I am using IQFeed. Hmm, but why these differences? Is it because of
the data provider or AB? I would guess data provider....
I also realized that total volume numbers I get, are diffeerent from
the reported numbers. For example last Friday, CSCO is reported to
have a total volume of 66,935,323. While these 2 lines:
Bars_so_far_today = 1 + BarsSince( Day() != Ref(Day(), -1));
Value = Sum(Volume, Bars_so_far_today);
Gives me 61,516,544!!?? Anything wrong with the code, or why do I get
different numbers?
Thanks,
Jorgen
--- In amibroker@xxxxxxxxxxxxxxx, "Jerry Gress"
<pleasenospamplease@xxx> wrote:
>
> Hello,
>
> What data source are you using? My guess would be diff in data. In
the past
> I have spent considerable time checking NASDAQ close vs data close,
etc,
> etc, and their would be differences.
>
> Have you checked GetRTData("Open"), or your low of day vs NASDAQ,
one time
> had a big 2 pt diff, just some thoughts.
>
> Trade what you see.
>
>
> Jerry Gress
> Stockton, Ca.
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]
On Behalf
> Of jorgen_wallgren
> Sent: Friday, January 16, 2009 11:30 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Difference Between GetRTData("Change") NASDAQ
Heatmap?
>
> Hi there!
>
> I am working on my own NASDAQ 100 Heatmap for AmiBroker, and I used
> GetRTData("Change") , but realized that the result I get have a
> different values from what the online NASDAQ heatmap has. Any idea
> what's the difference and how to calculate it in that case?
>
> Thanks,
>
> Jorgen
>
>
> TAGS: Programming Help
>
> type_D
>
>
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