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Andrew,
My old data is of uneven quality from many sources, so some of
the 'duds' may have had stock splits that are uncatered for, before
being delisted either through bankruptcy or favourable merger.
So i test those only if i think i have found something useful with
more recent reliable data.
Earlier i used my broker (NAB) - and they had survivor bias, i found
Yahoo had survivor bias also, but found messing with <ASXticker>.AX
frustrating.
currently I use cooltrader, you could ask them at
http://www.cooltrader.net/contact.htm
regards Gerry
--- In amibroker@xxxxxxxxxxxxxxx, "Andrew" <a.perrin@xxxx> wrote:
> I know there are a number of Aussie Users of AB. Just wanted to
get
> opinions of ASX Data providers people are using. I use Paratech,
> good, clean & reliable but they don't allow for delisted stocks in
> there Database Maintenance procedures & History. This of course
> means any Backtesting results are tarnished by survivorship issues
> etc. I've just checked current stocks vs ASX200 list on March
> 2000. 65 of those March 2000 ASX200 stocks are currently not
> trading (delistings, name changes, takeovers etc.). Does anyone
use
> Norgate Premium Data? note they claim to have full list of delisted
> stocks back to 1992 (might be slightly out with year). I'm
> interested in anyones opinion.
> Thanks
> Andrew.
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