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RE: [amibroker] Re: Esignal data?



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200 data limit means 200 symbols at a time. but AB can backfill many times, effectively means there is no limit in the no of symbols
you should do all your backfilling first, before backtesting.
Esignal provides 10 days backfill for tick data, and much longer for other periodicity, So you have choose which timeframe to backtest on.


From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of normanjade
Sent: Friday, 8 February 2008 4:16 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Esignal data?

I "forced backfill" on one of the symbols that didnt have all the
data and it filled in the missing data. But there are many more in
the portfolio that dont have data. I clicked "Wait for backfill" in
the automatic Analysis window. When I reran the backtest I could see
it was waiting and backfilling certain symbols, but in the end, many
still were missing data. Whats the problem here?

--- In amibroker@xxxxxxxxxps.com, "normanjade" <normanjade@...>
wrote:
>
> So I figured out the stdev thing finally. Now I seem to be having
data
> problems. My symbol limit with Esignal is 200. I run a portfolio
test
> on 200 stocks. I start going through the list of those that
generated
> no trades. There is just 2-3 days of data on the chart. I check
other
> data sources and they are fine. I dont know what I did but one
time I
> shut it off and on, and the data came in. But not for others.
>
> Now I don't know what to do. Whats the point of testing on a
portfolio
> if Im not even sure all the data is coming through? And I get the
> message of too many symbols from esignal even though the watchlist
is
> set to 200. Anybody have any idea whats going on here?
>
> thanks,
>
> jim
>

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