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RE: an "API"



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The 2nd approach from Abhijit makes sense - get the alert out there for
analysis by a third party program. I am puzzled though by the need for
all the hocus pocus of an email server. Why not simply write out a flat
file to be picked up by an external program, say Excel which can then
interface with the API?

John R Pretorius 
13 Olive Lane, Morningside Sandton 2196, South Africa
Telephone +27 11 784 5546 Mobile +27 83 231 5025
International Fax +27 11 403 8308 SA Fax 086 683 2561 
Skype john.r.pretorius
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Website http://home.imaginet.co.za/optionscan/


-----Original Message-----
From: Chris Evans [mailto:paratradesystems@xxxxxxx] 
Sent: 20 September 2007 08:07 PM
To: 'Abhijit Dey'
Cc: Omega List
Subject: RE: an "API"


I found and downloaded the Tradebolt program but they seem to have died
around 2004 so I don't know if the program will still work without their
involvement

-----Original Message-----
From: Abhijit Dey [mailto:omegalist@xxxxxxxxxx] 
Sent: Thursday, September 20, 2007 10:22 AM
To: Omega List
Subject: Re: an "API"

There are a few - look in interactivebroker.com, under 3rd party tools. 
Avoid anyone trying to charge you per trade - that's a rip off.

There are 2 approaches to do this.
1) Some program monitoring pop-up alerts in TS, and figuring out what to

do. I would strongly advise to avoid this. This approach is very brittle

and will break
2) Better approach: Programs running as a mail server in your local 
machine, and configuring TS to send alert mail to this mail server. Much

easier than it sounds - less than a page worth of code can accomplish 
this. Than the program can parse the email body and use IB's API (or 
whoever else's API) to send / cancel orders. This part - parsing the 
email body, managing orders in "3rd party" brokers API etc. is the 
complicated part of the approach. But you have to do that even if go 
route 1.

Sadly I don't have any code to share right now. I personally implemented

approach 2, and it worked great. An unfortunate hard disk crash caused 
me to lose some code, including this (had 2 HDD in raid-mirroring - both

crashed in 15 minutes interval... can you believe that?). Anyways, I am 
a bit more discretionary / long-term right now, and haven't bothered to 
rewrite that code. But it can be done, and it works well.

HTH,
Thanks - Abhijit

On 9/20/2007 10:48 AM, Chris Evans wrote:
> Does anyone know anyone who writes API programs that route orders from

> TS 8.2 to a broker other than RJ O'Brien?  Is this a hugely expensive 
> interface? CE
>
>