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I use the Bar RePlay tool. Set your DB to local will improve performance. Open your DEMO TWS but do not transmit LMT orders as the historical prices will not match the demo prices. If your system trades MKT orders you can transmit them however of course the TWS profits will not match what you get in BackTests.
It allows you to test all the mechnaics of your system, however performance stats will be meaning less.
Also, use the RequestTimedRefresh( 1 ); will ensure regular afl executions independent from quote arrivals.
For more detailed system analysis you can create a logging file which logs all action during Bar-Replay - this could show all orders that "would have" gone out had the data been RT.
best regards,
herman
Saturday, April 14, 2007, 10:47:52 AM, you wrote:
> I use Interactive Brokers for real time feed to AB for futures data. IB
> Trader Workstation is often unavailable on the weekends. If I load a
> database in AB that is set up for realtime data feed and the feed is
> not available, the performance is unacceptably sluggish.
> Other than changing the database settings to local and back to realtime
> feed every time I want to use the database, is there any other way to
> use the databse off line?
> Also, I have used the right click aon the 'connection' button on lower
> right of screen and selected 'shutdown' but performance is still very
> slow for any of the functions, dropdowns etc.
> Any ideas are appreciated.
> Please note that this group is for discussion between users only.
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Please note that this group is for discussion between users only.
To get support from AmiBroker please send an e-mail directly to
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