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> -----Message d'origine-----
> De : Bengtsson, Mats [mailto:mats.bengtsson@xxxxxxxxxxxx]
> Envoyé : samedi 23 juin 2001 11:48
> À : Omega-list@xxxxxxxxxx
> Objet : RE: Cruz Brothers and 2000i
>
>
> I read a number of your posts, and I think you are very well on the target
> of the needs. But then, as usual, you tend to forget the
> difference between
> the reality for Tradestation owners and the very very very few selected
> resellers that have available the secret APIs.
>
> What you say we need is what Tradestation _COULD_ have delivered. What is
> already in Tradestation, but what is not made available to it´s
> customers or
> to but a rare few of it´s resellers. The API that makes it a platform.
>
No, no, no.
I do not speak of secret API.
I discuss on trading system development and think that most of what is
necessary to develop programmed trading system is available in this
platform. The difference that I want to point out is in trading development
means.
TS, like others platforms to come, relies on programming capabilities of the
developer, and this is not the best way to go .
We do not use the current TS2000 API ( that is available to any TS Prosuite
user) ,and you probably refer to the Global Server API ( that I do not have,
but that was used by the Sp Comstock developer to build the SPComstock
Xpress feed subserver).
This is a totally different issue, and only a datafeed compatibilty issue in
this case.
> Tradestation does not make the platform API available. You have it and you
> happily quote Tradestations capabilities seen from the view of having it.
> But you do that into a list of traditional customers not having what you
> quote, customers who will never get what you quote Tradestation to have.
No.
We use what is available to TS users, without any hidden advantage.
We use an external software to build the trading system that wll run in TS,
and my remark was concerning the ability for these system to be run within
an other platform, because the value added does not rely on TS, althought it
was developped and tested with TS, and is currently well integrated with
it.
>
> Tradestation could have been made a COM server, but is intentionally
> crippled so that you can not use it without user intervention so
> you can not
> automate things using it as a COM server (for example opening a
> stock window
> from an application and selecting ascii data and indicators to
> show in that
> window). Or running chartscanner from another application, even though it
> can be done since orsched does it, they have not published how to do it.
> Tradestation could have been a forceful platform for DLLs b ut is
> intentionally crippled so that you can not use it without user
> intervention
> to automate things.
>
Things that could have been better opened, I agree.
We never have has unresolvable problems with DLLs and TS
> Tradestations main advantage is ELA. This is in itself so powerful that I
> tend to stick to Tradestation. But had the API been released, then I bet
> Tradestation would have become a platform used by many. This
> would have been
> the perfect base for Omega to get all their products into big sales. As it
> is now, although everybody loves ELA, when people get more and
> more advanced
> in system development they tend to have to move into other bases
> in order to
> develop and test their systems further. The need to make protfolio runs,
> portfolio optimisations, portfolio sharpe calculations... All that could
> have been done if the Tradestation platform interface was released but now
> forces people to search other solutions and then at the same time to lose
> the ELA.
>
Yes.
The lack of portfolio capabilities in TS ( that were existing in SWP) is a
weak point.
You may rely on Rina systems tools or build your own at this time.
> > The future is clearly on automated trading system
> > development. Believe me or not,I could now be satisfied with
> > a simple trading paltform collecting quotes and allowing to
> > call a DLL or use COM component to plugin our trading
> > software that will buid, generate test and execute the
> > trading systems.
>
This does not change my mind for the above, because the portfolio
capabilities are to be added in the automated development tool.
Sincerely,
Pierre Orphelin
www.sirtrade.com
TradeStation Technologies representative in France
>
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