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Omigosh guys...look at the long term charts...Dow 8000 is a HUGE support level. It's gonna be fireworks if it's broken by more than 200 pts.

https://www.theice.com/publicdocs/futures_us_reports/all/SEP08VOL-web.xls Roughly 180-190 thousand contracts per trading day.

Best thing to do is define the system in much more detail. For instance, does the scanning criteria involve historical DAILY data bars or perhaps INTRADAY tick bars ? BIG DIFFERENCE ! Another thing: How complex is the selection criteria for the scanning logic ? Finally, you are aware of...

Yes, most software now needs to be rewritten to support multi-core processors optimally. In fact, Intel has just released a software kit to do just that....funny how it has come about 2 years after the hardware was introduced. Once again, software tech lags hardware tech...

Yet.

None....while trading. Why ? Have you seen ANY of these products with a "Ignore streaming data" option ? No....so TCP/IP traffic keeps them very active....and hoses your CPU. So here's an software niche that could be exploited: a security product that understands trading platform's nuances...

You bet: 23 processes using.....good old...WINDOWS 2000 ! It's about twice as efficient as Windows/XP. Anyone running a trading platform on a non-tuned XP operating system is asking for trouble. Anyone running XP with a McAfee or Symantec internet security program resident is absolutely insane.

Exactly ? And why didn't we ever get back to the moon given today's awesome technology ? (Hint: "it's the people") We had great engineers back then. Not today....gone because of outsourcing.

Who are you to make this statement ? A developer there ? A principle ?

If you are not doing more than a dozen symbols and not scalping like 10 trades per minute, may I suggest going with an Excel DDE and/or ActiveX interface to the Sterling API ? Much faster to develop than C/C++/C#.

I disagree. I once had an account at Brown & Co. I was naked some index option puts for about 1 week. I was WAY OVER my margin. I had a $20k acct, and the margin was something like $40k. They let the trade go when they saw it was a profitable trade. However, it did eventually go against me near...

Make sure the "Error Checking" tab of Tools / Options is identical on all Excel instances.

This has been a great thread with the bottomline being: Don't have a short position in options with IB, even if it is part of a leg. If you want to do credit spreads, etc.... go with a broker like TOS who has the support staff to help prevent disaster from occurring to your account. Use IB for...

Simple: Just reformat the cells you are unable to reference as numbers from text to number.

The most important aspect of a trading platform is it's multithreading model. Does access to each symbol's data get a separate thread ? Does each strategy use a separate thread ? Threading in realtime apps is mucho important. If you don't understand how the thread model works, you are hosed. If...

So TradeLink is a C# dot-net platform then ? Wow, it appears the whole world is moving in that direction now...NT and now TL and who's next ? So this could mean that C++ is fading into the past and will shortly meet it's MSFT brethern VB in the crypts of dead software.

Most importantly, how does NT's thread allocation model work ? Is there a separate thread for every symbol or every symbol-strategy combination or ???? It's a very critical technical issue.

Surf - why not go SHORT the low rated stocks and LONG the high rated ones a la pair-trading approach ?

Oh how erudite ! Can anyone take old Vic seriously anymore ?

good stuff....makes sense i.e. "@unsupported" means order not supported by the exchange. Thanks again. Maybe I'll re-visit these guys once again. What's the latest version for their C++ API ?