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Yes I will follow up with code (assuming Equis supply info!).
I did check your gif - yes they're very close.
Here's a gif from MS showing them overlaid and illustrating how they can
diverge.
John
----- Original Message -----
From: "Steve Wiser" <slwiserr@xxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Sunday, May 13, 2001 1:43 PM
Subject: Re: [amibroker] Anyone for a Demand Index?
> John:
>
> You are right, I had to be a bid creative (I borrowed this code as well)
on
> just what to use since I did not have the exact functions for BuyP and
SellP.
>
> Maybe you can follow-up with that code when you get it.
>
> Never-the-less, it is very close. Did you check out the gif that I sent?
>
> Thanks
>
> Steve
>
> At 12:38 PM 5/13/01 +0100, you wrote:
> >Steve,
> >
> >The Demand Index formula I posted to metastockusers@xxxxxxxxxxxxxxx uses
the
> >Metastock builtin functions Buyb() and Sellp() for Buying Pressue (BP)
and
> >Selling Pressure (SP) respectively and it produces an identical plot to
the
> >Metastock builtin Demand Index function (which I would assume is correct
as
> >per J.Sibbet).
> >
> >Not wishing to be too picky but I should point out for correctness sake
that
> >the BP and SP calculations in your AFL will not return exactly the same
> >values as MS Buyp() and Sellp() functions. The AFL DI plot therefore ,
while
> >extremely similar, will not be identical to Sibett's Demand Index (this
> >shows up most at extreme values).
> >
> >If you are monitoring "metastockusers" list I am currently awaiting
reply
> >from Equis on details of Demand Index calculation which should explain
the
> >Sibbet calculation of Buyp() and
> >Sellp() and will post back on receipt.
> >
> >John
>
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
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