Have some trade ideas and looking for extensible trading platform?

Quote from byteme:

I think droskill and others have been very helpful and patient with replies on this thread re: possible platforms.

In the end, I think you just have to take the car for a test-drive.

Also check out this blog/website developed by another ET member with a list of resources for ATS, including a section on platforms, both commercial and open source:

http://coreyhoffstein.com/?page_id=24

It's not complete but it's getting there.

Good luck. I personally would suggest spending at least a month visiting each website, downloading software, speaking with sales to find out pricing etc. for yourself. It takes quite a while sometimes to find out about fundamental flaws in some of the software.

If you can, collate all of the information when you've finished your research and re-contribute it back to ET!

Good luck.
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Thanks a lot for the good pointers!

Yeah droskill and others are great! I esp. like his idea of seeing all the codes competing in doing the same thing -- then we see how differently they behave.

For me, it's about the software and more importantly, does it have lots of historical intra data that you can zoom into any point in the past. That's important. Any comments on WealthLab about this? Esp. do they have options data?
 
Quote from droskill:

Neuroshell and Stratasearch are both interesting - one is a neural net explorer, the second is a brute force system finder. Neither offers portfolio-level testing.
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Stratasearch does have portfolio-level testing, but is EOD only.
 
Last time I checked, it had the ability to analyze a portfolio but not trade a portfolio - meaning it could run a system across a group of symbols, but treated each symbol separately as opposed to creating a portfolio - if this has changed, let me know - I'm downloading the latest trial for review.
 
Thank you. We are speaking the same language.

Stratasearch can do what you said. In prior versions it could evaluate portfolios up to 20 positions. The new version enables people to use a custom portfolio size.
 
couple of things regarding Tradestation (in its favor actually)

1) Tradestation can talk to Matlab. google 'Tradestation Matlab'...

2) Tradestation EasyLanguage can reference user-created .dll's - so if speed/extendability is an issue, this is not perfect, but it does alot certain things to be done...

3) The Tradestation community so large, and there is so much code out there already, that people have come up with hacks/tweaks to do all kinds of things.

For example, pairs trading, which can not be done 'out of the box' in TS, _can_ still be done, through use of either the GV.dll or ADE.dll's. Many other examples of this...

hope this helps...
 
Quote from QQQShort:

Thank you. We are speaking the same language.

Stratasearch can do what you said. In prior versions it could evaluate portfolios up to 20 positions. The new version enables people to use a custom portfolio size.
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I don't think we are - I just downloaded version 4.1 and it has the same issue - there isn't a way to say "here are the possible equities to trade, pick up to 5 of them, and present an equity curve for trading those over time."

There doesn't seem to be any logic for position sizing either - I'm still looking at this but the tool still seems very primitive in this way.
 
You are right about position sizing.

Yeah, I suspected we were talking about different concepts after posting my last message. You want to pick five stocks from, let's say, the S&P 500 and run your tests against those five stocks. What criteria would you use to pick that smaller group?
 
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