Re: [amibroker] Re: Speed issues with Premium Data

["ges x" <ges8ges@xxxxxxxxx>]

Yep, I'm using this PremiumData for backtesting on long history and so can keep it as a local database.

So far I am very happy with the PremiumData historical data and especially the delisted symbols.  I've wanted this at a reasonable price for a long time and this seems to fit the bill.  I've always worried about survivorship bias in my systems, but this is showing me that it is not the concern I imagined it to be.  And this has given me a huge amount of out-of-sample data to test over.  The systems have held up well.

Thanks for the picture.

On Fri, Apr 11, 2008 at 10:02 PM, David Smith <david.smith5@xxxxxxxxxxxxxxx> wrote:

Looks like you found it,  you need both the datasource set to local & local storage enables.  (see attached).

 

The only issue with local data is occassionally you must switch to metastock as source or import the metastock data to get the most up to date prices.  But if as you say you just need a data set for

 

testing, using local data is definately the quickest. I do it that way myself when researching & running many backtests then switch back to metastock data when I need the updated data.

 

Dave

 

 

 

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