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[amibroker] Re: ADX,MDI,PDI internal codes



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Or you can work from here among other places ...

http://www.linnsoft.com/tour/techind/adx.htm 

--- In amibroker@xxxxxxxxxxxxxxx, "NW Trader" <ta4charts@xxx> wrote:
>
> Hi Ron,
> 
> ADX, MDI and PDI are actually fairly lengthy series of calculations 
as they 
> use the stock's True Range, summing and some other voo doo a'la 
Wilder.  To 
> copy it all out is too much for me to undertake this evening as I 
have come 
> to trust that AB's formula are a valid.  I use ADX and ATR 
frequently to 
> find tradable stocks.
> 
> Most sites like TA from A to Z don't bother to give you the secret 
recipe, 
> because it is beyond the capabilities of most charting software to 
do on the 
> fly -- that's why it's usually built it, but it is available.  If 
you wish 
> to see the true calculations check out J. Wells Wilder's seminal 
work New 
> Concepts In Technical Trading Systems (pp 35-52) for how he 
calculated it. 
> BTW, if you are serious about wanting to write your own stuff and 
not rely 
> on canned indicators, this expensive little book should be on your 
desk 
> shelf -- Wilder developed not only ADX, but RSI, Parabolic SAR, 
CCI, and a 
> number of other concepts and trading systems.
> 
> I believe I still have an Excel worksheet on one of my computers 
which will 
> do the calculations For ADX, +DM, -DM and all the required 
intermediate 
> steps,  however you would have to enter the H, L, AND C manually.  
I may 
> also have an ADX Excel worksheet which includes a macro which will 
get the 
> requisite data from a QP database.  If you are really interested, 
send me 
> your email address and I'll dig it up and send you a copy -- you 
can then 
> look at the formulas in each cell to see how these are derived if 
you wish 
> to develop your own indicator.  FWIW, AB's ADX is consistent with 
Wilder's 
> formula and my spreadsheet.
> 
> Peace and Justice   ---   Patrick
>   ----- Original Message ----- 
>   From: mrdavis9
>   To: amibroker@xxxxxxxxxxxxxxx
>   Sent: Tuesday, February 28, 2006 6:30 PM
>   Subject: Re: [amibroker] Re: ADX,MDI,PDI internal codes
> 
> 
>   Fred, the Amibroker version may be no better than any other 
version out
>   there, however, I would still like to have the equation that TJ  
uses in 
> the
>   AMIBROKER version of ADX.
>   I was hoping that someone would have it readily available,  I 
will ask
>   support about it if I don't see it show up on this board.  Thanks 
for your
>   suggestion.  Ron D
> 
> 
> 
>   ----- Original Message ----- 
>   From: "Fred" <ftonetti@xxx>
>   To: <amibroker@xxxxxxxxxxxxxxx>
>   Sent: Tuesday, February 28, 2006 12:50 PM
>   Subject: [amibroker] Re: ADX,MDI,PDI internal codes
> 
> 
>   > Have you tried writting your own from commonly available 
sources and
>   > comparing the results graphically or in an Explore ?
>   >
>   > --- In amibroker@xxxxxxxxxxxxxxx, "mrdavis9" <mrdavis9@> wrote:
>   >>
>   >> If it is not proprietary code, I would like to know the exact
>   > equations that are used by Amibroker  in the ADX, MDI and PDI
>   > functions.  Hopefully it is readily available.  Ron D.
>   >>
>   >
>   >
>   >
>   >
>   >
>   >
>   >
>   >
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